diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc64')
44 files changed, 246 insertions, 1640 deletions
diff --git a/sysdeps/powerpc/powerpc64/Dist b/sysdeps/powerpc/powerpc64/Dist new file mode 100644 index 0000000000..bbadfef3b8 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/Dist @@ -0,0 +1,4 @@ +dl-machine.c +ppc-mcount.S +elf/entry.h +bp-asm.h diff --git a/sysdeps/powerpc/powerpc64/Makefile b/sysdeps/powerpc/powerpc64/Makefile index 78d4f07e57..3ced6568df 100644 --- a/sysdeps/powerpc/powerpc64/Makefile +++ b/sysdeps/powerpc/powerpc64/Makefile @@ -10,25 +10,11 @@ ifeq (yes,$(build-shared)) pic-ccflag = -fpic endif -# These flags prevent FPU or Altivec registers from being used, -# for code called in contexts that is not allowed to touch those registers. -# Stupid GCC requires us to pass all these ridiculous switches. -no-special-regs := $(sort $(foreach n,40 41 50 51 60 61 62 63 \ - $(foreach m,2 3 4 5 6 7 8 9, \ - 3$m 4$m 5$m),\ - -ffixed-$n)) \ - $(sort $(foreach n,$(foreach m,0 1 2 3 4 5 6 7 8 9,\ - $m 1$m 2$m) 30 31,\ - -ffixed-v$n)) \ - -ffixed-vrsave -ffixed-vscr - ifeq ($(subdir),csu) -sysdep_routines += hp-timing -elide-routines.os += hp-timing ifneq ($(elf),no) -# The initfini generation code doesn't work in the presence of -fPIC, so -# we use -fpic instead which is much better. -CFLAGS-initfini.s += -fpic -O1 +# The initfini generation code doesn't work in the presence of -g1 or +# higher, so we use -g0. +CFLAGS-initfini.s = -g0 -fpic -O1 endif endif @@ -41,5 +27,5 @@ ifeq ($(subdir),gmon) # The assembly functions assume that fp arg regs are not trashed. # Compiling with -msoft-float ensures that fp regs are not used # for moving memory around. -CFLAGS-mcount.c += $(no-special-regs) +CFLAGS-mcount.c += -msoft-float endif diff --git a/sysdeps/powerpc/powerpc64/__longjmp-common.S b/sysdeps/powerpc/powerpc64/__longjmp-common.S index 700a2a543c..30087d7db4 100644 --- a/sysdeps/powerpc/powerpc64/__longjmp-common.S +++ b/sysdeps/powerpc/powerpc64/__longjmp-common.S @@ -1,6 +1,6 @@ /* longjmp for PowerPC64. - Copyright (C) 1995, 1996,1997,1999,2000,2001,2002,2003,2004,2005,2006 - Free Software Foundation, Inc. + Copyright (C) 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -24,7 +24,7 @@ #ifdef __NO_VMX__ # include <novmxsetjmp.h> #else -# include <jmpbuf-offsets.h> +# include <bits/setjmp.h> #endif #include <bp-sym.h> #include <bp-asm.h> @@ -108,12 +108,7 @@ aligned_restore_vmx: lvx v31,0,r6 L(no_vmx): #endif -#ifdef PTR_DEMANGLE - ld r22,(JB_GPR1*8)(r3) - PTR_DEMANGLE3 (r1, r22, r25) -#else ld r1,(JB_GPR1*8)(r3) -#endif ld r2,(JB_GPR2*8)(r3) ld r0,(JB_LR*8)(r3) ld r14,((JB_GPRS+0)*8)(r3) @@ -133,9 +128,6 @@ L(no_vmx): lfd fp19,((JB_FPRS+5)*8)(r3) ld r20,((JB_GPRS+6)*8)(r3) lfd fp20,((JB_FPRS+6)*8)(r3) -#ifdef PTR_DEMANGLE - PTR_DEMANGLE2 (r0, r25) -#endif mtlr r0 /* std r2,40(r1) Restore the TOC save area. */ ld r21,((JB_GPRS+7)*8)(r3) diff --git a/sysdeps/powerpc/powerpc64/backtrace.c b/sysdeps/powerpc/powerpc64/backtrace.c index 9c8ebbb18d..8669b6a689 100644 --- a/sysdeps/powerpc/powerpc64/backtrace.c +++ b/sysdeps/powerpc/powerpc64/backtrace.c @@ -1,5 +1,5 @@ /* Return backtrace of current program state. - Copyright (C) 1998, 2000, 2002, 2005 Free Software Foundation, Inc. + Copyright (C) 1998, 2000, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -67,4 +67,3 @@ __backtrace (void **array, int size) return count; } weak_alias (__backtrace, backtrace) -libc_hidden_def (__backtrace) diff --git a/sysdeps/powerpc/powerpc64/fpu/e_sqrtf.c b/sysdeps/powerpc/powerpc64/dl-lookupcfg.h index 0f17a64a8a..e502941015 100644 --- a/sysdeps/powerpc/powerpc64/fpu/e_sqrtf.c +++ b/sysdeps/powerpc/powerpc64/dl-lookupcfg.h @@ -1,5 +1,5 @@ -/* Single-precision floating point square root. - Copyright (C) 1997, 2003, 2004, 2006 Free Software Foundation, Inc. +/* Configuration of lookup functions. PowerPC64 version. + Copyright (C) 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -17,13 +17,6 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#include <math.h> -#include <math_private.h> +/* Return the symbol map from the symbol lookup function. */ -float -__ieee754_sqrtf (float x) -{ - double z; - __asm ("fsqrts %0,%1" : "=f" (z) : "f" (x)); - return z; -} +#define DL_LOOKUP_RETURNS_MAP 1 diff --git a/sysdeps/powerpc/powerpc64/dl-machine.h b/sysdeps/powerpc/powerpc64/dl-machine.h index cec271bb3a..3fcf77df71 100644 --- a/sysdeps/powerpc/powerpc64/dl-machine.h +++ b/sysdeps/powerpc/powerpc64/dl-machine.h @@ -1,6 +1,6 @@ /* Machine-dependent ELF dynamic relocation inline functions. PowerPC64 version. - Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 + Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -107,6 +107,92 @@ elf_machine_dynamic (void) /* The PLT uses Elf64_Rela relocs. */ #define elf_machine_relplt elf_machine_rela +/* This code gets called via a .glink stub which loads PLT0. It is + used in dl-runtime.c to call the `fixup' function and then redirect + to the address `fixup' returns. + + Enter with r0 = plt reloc index, + r2 = ld.so tocbase, + r11 = ld.so link map. */ + +#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name) \ + asm (".section \".text\"\n" \ +" .align 2\n" \ +" .type " BODY_PREFIX #tramp_name ",@function\n" \ +" .section \".opd\",\"aw\"\n" \ +" .align 3\n" \ +" .globl " #tramp_name "\n" \ +" " ENTRY_2(tramp_name) "\n" \ +#tramp_name ":\n" \ +" " OPD_ENT(tramp_name) "\n" \ +" .previous\n" \ +BODY_PREFIX #tramp_name ":\n" \ +/* We need to save the registers used to pass parameters, ie. r3 thru \ + r10; the registers are saved in a stack frame. */ \ +" stdu 1,-128(1)\n" \ +" std 3,48(1)\n" \ +" mr 3,11\n" \ +" std 4,56(1)\n" \ +" sldi 4,0,1\n" \ +" std 5,64(1)\n" \ +" add 4,4,0\n" \ +" std 6,72(1)\n" \ +" sldi 4,4,3\n" \ +" std 7,80(1)\n" \ +" mflr 0\n" \ +" std 8,88(1)\n" \ +/* Store the LR in the LR Save area of the previous frame. */ \ +" std 0,128+16(1)\n" \ +" mfcr 0\n" \ +" std 9,96(1)\n" \ +" std 10,104(1)\n" \ +/* I'm almost certain we don't have to save cr... be safe. */ \ +" std 0,8(1)\n" \ +" bl " DOT_PREFIX #fixup_name "\n" \ +/* Put the registers back. */ \ +" ld 0,128+16(1)\n" \ +" ld 10,104(1)\n" \ +" ld 9,96(1)\n" \ +" ld 8,88(1)\n" \ +" ld 7,80(1)\n" \ +" mtlr 0\n" \ +" ld 0,8(1)\n" \ +" ld 6,72(1)\n" \ +" ld 5,64(1)\n" \ +" ld 4,56(1)\n" \ +" mtcrf 0xFF,0\n" \ +/* Load the target address, toc and static chain reg from the function \ + descriptor returned by fixup. */ \ +" ld 0,0(3)\n" \ +" ld 2,8(3)\n" \ +" mtctr 0\n" \ +" ld 11,16(3)\n" \ +" ld 3,48(1)\n" \ +/* Unwind the stack frame, and jump. */ \ +" addi 1,1,128\n" \ +" bctr\n" \ +".LT_" #tramp_name ":\n" \ +" .long 0\n" \ +" .byte 0x00,0x0c,0x24,0x40,0x00,0x00,0x00,0x00\n" \ +" .long .LT_" #tramp_name "-" BODY_PREFIX #tramp_name "\n" \ +" .short .LT_" #tramp_name "_name_end-.LT_" #tramp_name "_name_start\n" \ +".LT_" #tramp_name "_name_start:\n" \ +" .ascii \"" #tramp_name "\"\n" \ +".LT_" #tramp_name "_name_end:\n" \ +" .align 2\n" \ +" " END_2(tramp_name) "\n" \ +" .previous"); + +#ifndef PROF +#define ELF_MACHINE_RUNTIME_TRAMPOLINE \ + TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup); \ + TRAMPOLINE_TEMPLATE (_dl_profile_resolve, profile_fixup); +#else +#define ELF_MACHINE_RUNTIME_TRAMPOLINE \ + TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup); \ + void _dl_runtime_resolve (void); \ + strong_alias (_dl_runtime_resolve, _dl_profile_resolve); +#endif #ifdef HAVE_INLINED_SYSCALLS /* We do not need _dl_starting_up. */ @@ -122,16 +208,16 @@ elf_machine_dynamic (void) `_dl_start' is the real entry point; its return value is the user program's entry point. */ #define RTLD_START \ - asm (".pushsection \".text\"\n" \ + asm (".section \".text\"\n" \ " .align 2\n" \ " .type " BODY_PREFIX "_start,@function\n" \ -" .pushsection \".opd\",\"aw\"\n" \ +" .section \".opd\",\"aw\"\n" \ " .align 3\n" \ " .globl _start\n" \ " " ENTRY_2(_start) "\n" \ "_start:\n" \ " " OPD_ENT(_start) "\n" \ -" .popsection\n" \ +" .previous\n" \ BODY_PREFIX "_start:\n" \ /* We start with the following on the stack, from top: \ argc (4 bytes); \ @@ -157,11 +243,11 @@ BODY_PREFIX "_start:\n" \ " .align 2\n" \ " " END_2(_start) "\n" \ " .globl _dl_start_user\n" \ -" .pushsection \".opd\",\"aw\"\n" \ +" .section \".opd\",\"aw\"\n" \ "_dl_start_user:\n" \ " " OPD_ENT(_dl_start_user) "\n" \ -" .popsection\n" \ -" .pushsection \".toc\",\"aw\"\n" \ +" .previous\n" \ +" .section \".toc\",\"aw\"\n" \ DL_STARTING_UP_DEF \ ".LC__rtld_global:\n" \ " .tc _rtld_global[TC],_rtld_global\n" \ @@ -171,7 +257,7 @@ DL_STARTING_UP_DEF \ " .tc _dl_argv_internal[TC],_dl_argv_internal\n" \ ".LC__dl_fini:\n" \ " .tc _dl_fini[TC],_dl_fini\n" \ -" .popsection\n" \ +" .previous\n" \ " .type " BODY_PREFIX "_dl_start_user,@function\n" \ " " ENTRY_2(_dl_start_user) "\n" \ /* Now, we do our main work of calling initialisation procedures. \ @@ -245,7 +331,7 @@ BODY_PREFIX "_dl_start_user:\n" \ ".LT__dl_start_user_name_end:\n" \ " .align 2\n" \ " " END_2(_dl_start_user) "\n" \ -" .popsection"); +" .previous"); /* Nonzero iff TYPE should not be allowed to resolve to one of the main executable's symbols, as for a COPY reloc. */ @@ -334,8 +420,7 @@ elf_machine_runtime_setup (struct link_map *map, int lazy, int profile) resolve_fd = (Elf64_FuncDesc *) (profile ? _dl_profile_resolve : _dl_runtime_resolve); - if (profile && GLRO(dl_profile) != NULL - && _dl_name_match_p (GLRO(dl_profile), map)) + if (profile && _dl_name_match_p (GLRO(dl_profile), map)) /* This is the object we are looking for. Say that we really want profiling and the timers are started. */ GL(dl_profile_map) = map; @@ -460,11 +545,6 @@ elf_machine_plt_value (struct link_map *map, const Elf64_Rela *reloc, return value + reloc->r_addend; } - -/* Names of the architecture-specific auditing callback functions. */ -#define ARCH_LA_PLTENTER ppc64_gnu_pltenter -#define ARCH_LA_PLTEXIT ppc64_gnu_pltexit - #endif /* dl_machine_h */ #ifdef RESOLVE_MAP @@ -487,7 +567,7 @@ extern void _dl_reloc_overflow (struct link_map *map, const Elf64_Sym *refsym) attribute_hidden; -auto inline void __attribute__ ((always_inline)) +static inline void elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc, void *const reloc_addr_arg) { @@ -497,7 +577,7 @@ elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc, #if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD) /* This computes the value used by TPREL* relocs. */ -auto inline Elf64_Addr __attribute__ ((always_inline, const)) +static Elf64_Addr __attribute__ ((const)) elf_machine_tprel (struct link_map *map, struct link_map *sym_map, const Elf64_Sym *sym, @@ -518,7 +598,7 @@ elf_machine_tprel (struct link_map *map, /* Perform the relocation specified by RELOC and SYM (which is fully resolved). MAP is the object containing the reloc. */ -auto inline void __attribute__ ((always_inline)) +static inline void elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc, const Elf64_Sym *sym, @@ -803,12 +883,11 @@ elf_machine_rela (struct link_map *map, MODIFIED_CODE_NOQUEUE (reloc_addr); } -auto inline void __attribute__ ((always_inline)) +static inline void elf_machine_lazy_rel (struct link_map *map, Elf64_Addr l_addr, const Elf64_Rela *reloc) { /* elf_machine_runtime_setup handles this. */ } - #endif /* RESOLVE */ diff --git a/sysdeps/powerpc/powerpc64/dl-trampoline.S b/sysdeps/powerpc/powerpc64/dl-trampoline.S deleted file mode 100644 index 9ca394dda2..0000000000 --- a/sysdeps/powerpc/powerpc64/dl-trampoline.S +++ /dev/null @@ -1,442 +0,0 @@ -/* PLT trampolines. PPC64 version. - Copyright (C) 2005, 2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA - 02110-1301 USA. */ - -#include <sysdep.h> -#include <rtld-global-offsets.h> - - - .section ".text" -/* On entry r0 contains the index of the PLT entry we need to fixup - and r11 contains the link_map (from PLT0+16). The link_map becomes - parm1 (r3) and the index (r0) need to be converted to an offset - (index * 24) in parm2 (r4). */ - -EALIGN(_dl_runtime_resolve, 4, 0) -/* We need to save the registers used to pass parameters, ie. r3 thru - r10; the registers are saved in a stack frame. */ - stdu r1,-128(r1) - cfi_adjust_cfa_offset (128) - std r3,48(r1) - mr r3,r11 - std r4,56(r1) - sldi r4,r0,1 - std r5,64(r1) - add r4,r4,r0 - std r6,72(r1) - sldi r4,r4,3 - std r7,80(r1) - mflr r0 - std r8,88(r1) -/* Store the LR in the LR Save area of the previous frame. */ - std r0,128+16(r1) - cfi_offset (lr, 16) - mfcr r0 - std r9,96(r1) - std r10,104(r1) -/* I'm almost certain we don't have to save cr... be safe. */ - std r0,8(r1) - bl JUMPTARGET(_dl_fixup) -/* Put the registers back. */ - ld r0,128+16(r1) - ld r10,104(r1) - ld r9,96(r1) - ld r8,88(r1) - ld r7,80(r1) - mtlr r0 - ld r0,8(r1) - ld r6,72(r1) - ld r5,64(r1) - ld r4,56(r1) - mtcrf 0xFF,r0 -/* Load the target address, toc and static chain reg from the function - descriptor returned by fixup. */ - ld r0,0(r3) - ld r2,8(r3) - mtctr r0 - ld r11,16(r3) - ld r3,48(r1) -/* Unwind the stack frame, and jump. */ - addi r1,r1,128 - bctr -END(_dl_runtime_resolve) - - /* Stack layout: - +592 previous backchain - +584 spill_r31 - +576 spill_r30 - +560 v1 - +552 fp4 - +544 fp3 - +536 fp2 - +528 fp1 - +520 r4 - +512 r3 - return values - +504 free - +496 stackframe - +488 lr - +480 r1 - +464 v13 - +448 v12 - +432 v11 - +416 v10 - +400 v9 - +384 v8 - +368 v7 - +352 v6 - +336 v5 - +320 v4 - +304 v3 - +288 v2 - * VMX Parms in V2-V13, V0-V1 are scratch - +284 vrsave - +280 free - +272 fp13 - +264 fp12 - +256 fp11 - +248 fp10 - +240 fp9 - +232 fp8 - +224 fp7 - +216 fp6 - +208 fp5 - +200 fp4 - +192 fp3 - +184 fp2 - +176 fp1 - * FP Parms in FP1-FP13, FP0 is a scratch register - +168 r10 - +160 r9 - +152 r8 - +144 r7 - +136 r6 - +128 r5 - +120 r4 - +112 r3 - * Integer parms in R3-R10, R0 is scratch, R1 SP, R2 is TOC - +104 parm8 - +96 parm7 - +88 parm6 - +80 parm5 - +72 parm4 - +64 parm3 - +56 parm2 - +48 parm1 - * Parameter save area, Allocated by the call, at least 8 double words - +40 TOC save area - +32 Reserved for linker - +24 Reserved for compiler - +16 LR save area - +8 CR save area - r1+0 stack back chain - */ -#define FRAME_SIZE 592 -#define INT_RTN 512 -#define FPR_RTN 528 -#define VR_RTN 560 -#define STACK_FRAME 496 -#define CALLING_LR 488 -#define CALLING_SP 480 -#define INT_PARMS 112 -#define FPR_PARMS 176 -#define VR_PARMS 288 -#define VR_VRSAVE 284 - .section ".toc","aw" -.LC__dl_hwcap: -# ifdef SHARED - .tc _rtld_global_ro[TC],_rtld_global_ro -# else - .tc _dl_hwcap[TC],_dl_hwcap -# endif - .section ".text" - - .machine "altivec" -/* On entry r0 contains the index of the PLT entry we need to fixup - and r11 contains the link_map (from PLT0+16). The link_map becomes - parm1 (r3) and the index (r0) needs to be converted to an offset - (index * 24) in parm2 (r4). */ -#ifndef PROF -EALIGN(_dl_profile_resolve, 4, 0) -/* Spill r30, r31 to preserve the link_map* and reloc_addr, in case we - need to call _dl_call_pltexit. */ - std r31,-8(r1) - cfi_offset(r31,-8) - std r30,-16(r1) - cfi_offset(r30,-16) -/* We need to save the registers used to pass parameters, ie. r3 thru - r10; the registers are saved in a stack frame. */ - stdu r1,-FRAME_SIZE(r1) - cfi_adjust_cfa_offset (FRAME_SIZE) - std r3,INT_PARMS+0(r1) - mr r3,r11 - std r4,INT_PARMS+8(r1) - sldi r4,r0,1 /* index * 2 */ - std r5,INT_PARMS+16(r1) - add r4,r4,r0 /* index * 3 */ - std r6,INT_PARMS+24(r1) - sldi r4,r4,3 /* index * 24 == PLT offset */ - mflr r5 - std r7,INT_PARMS+32(r1) - std r8,INT_PARMS+40(r1) -/* Store the LR in the LR Save area of the previous frame. */ -/* XXX Do we have to do this? */ - la r8,FRAME_SIZE(r1) - std r5,FRAME_SIZE+16(r1) - cfi_offset (lr, 16) - std r5,CALLING_LR(r1) - mfcr r0 - std r9,INT_PARMS+48(r1) - std r10,INT_PARMS+56(r1) - std r8,CALLING_SP(r1) -/* I'm almost certain we don't have to save cr... be safe. */ - std r0,8(r1) - ld r12,.LC__dl_hwcap@toc(r2) -#ifdef SHARED - /* Load _rtld-global._dl_hwcap. */ - ld r12,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r12) -#else - ld r12,0(r12) /* Load extern _dl_hwcap. */ -#endif - andis. r0,r12,(PPC_FEATURE_HAS_ALTIVEC >> 16) - beq L(saveFP) - la r10,(VR_PARMS+0)(r1) - la r9,(VR_PARMS+16)(r1) - li r11,32 - li r12,64 - stvx v2,0,r10 - stvx v3,0,r9 - - stvx v4,r11,r10 - stvx v5,r11,r9 - addi r11,r11,64 - - stvx v6,r12,r10 - stvx v7,r12,r9 - addi r12,r12,64 - - stvx v8,r11,r10 - stvx v9,r11,r9 - addi r11,r11,64 - - stvx v10,r12,r10 - stvx v11,r12,r9 - mfspr r0,VRSAVE - - stvx v12,r11,r10 - stvx v13,r11,r9 -L(saveFP): - stw r0,VR_VRSAVE(r1) -/* Save floating registers. */ - stfd fp1,FPR_PARMS+0(r1) - stfd fp2,FPR_PARMS+8(r1) - stfd fp3,FPR_PARMS+16(r1) - stfd fp4,FPR_PARMS+24(r1) - stfd fp5,FPR_PARMS+32(r1) - stfd fp6,FPR_PARMS+40(r1) - stfd fp7,FPR_PARMS+48(r1) - stfd fp8,FPR_PARMS+56(r1) - stfd fp9,FPR_PARMS+64(r1) - stfd fp10,FPR_PARMS+72(r1) - stfd fp11,FPR_PARMS+80(r1) - li r0,-1 - stfd fp12,FPR_PARMS+88(r1) - stfd fp13,FPR_PARMS+96(r1) -/* Load the extra parameters. */ - addi r6,r1,INT_PARMS - addi r7,r1,STACK_FRAME -/* Save link_map* and reloc_addr parms for later. */ - mr r31,r3 - mr r30,r4 - std r0,0(r7) - bl JUMPTARGET(_dl_profile_fixup) - nop -/* Test *framesizep > 0 to see if need to do pltexit processing. */ - ld r0,STACK_FRAME(r1) -/* Put the registers back. */ - lwz r12,VR_VRSAVE(r1) - cmpdi cr1,r0,0 - cmpdi cr0,r12,0 - bgt cr1,L(do_pltexit) - la r10,(VR_PARMS+0)(r1) - la r9,(VR_PARMS+16)(r1) -/* VRSAVE must be non-zero if VMX is present and VRs are in use. */ - beq L(restoreFXR) - li r11,32 - li r12,64 - lvx v2,0,r10 - lvx v3,0,r9 - - lvx v4,r11,r10 - lvx v5,r11,r9 - addi r11,r11,64 - - lvx v6,r12,r10 - lvx v7,r12,r9 - addi r12,r12,64 - - lvx v8,r11,r10 - lvx v9,r11,r9 - addi r11,r11,64 - - lvx v10,r12,r10 - lvx v11,r12,r9 - - lvx v12,r11,r10 - lvx v13,r11,r9 -L(restoreFXR): - ld r0,FRAME_SIZE+16(r1) - ld r10,INT_PARMS+56(r1) - ld r9,INT_PARMS+48(r1) - ld r8,INT_PARMS+40(r1) - ld r7,INT_PARMS+32(r1) - mtlr r0 - ld r0,8(r1) - ld r6,INT_PARMS+24(r1) - ld r5,INT_PARMS+16(r1) - ld r4,INT_PARMS+8(r1) - mtcrf 0xFF,r0 -/* Load the target address, toc and static chain reg from the function - descriptor returned by fixup. */ - ld r0,0(r3) - ld r2,8(r3) - ld r11,16(r3) - ld r3,INT_PARMS+0(r1) - mtctr r0 -/* Load the floating point registers. */ - lfd fp1,FPR_PARMS+0(r1) - lfd fp2,FPR_PARMS+8(r1) - lfd fp3,FPR_PARMS+16(r1) - lfd fp4,FPR_PARMS+24(r1) - lfd fp5,FPR_PARMS+32(r1) - lfd fp6,FPR_PARMS+40(r1) - lfd fp7,FPR_PARMS+48(r1) - lfd fp8,FPR_PARMS+56(r1) - lfd fp9,FPR_PARMS+64(r1) - lfd fp10,FPR_PARMS+72(r1) - lfd fp11,FPR_PARMS+80(r1) - lfd fp12,FPR_PARMS+88(r1) - lfd fp13,FPR_PARMS+96(r1) -/* Unwind the stack frame, and jump. */ - ld r31,584(r1) - ld r30,576(r1) - addi r1,r1,FRAME_SIZE - bctr -L(do_pltexit): - la r10,(VR_PARMS+0)(r1) - la r9,(VR_PARMS+16)(r1) - beq L(restoreFXR2) - li r11,32 - li r12,64 - lvx v2,0,r10 - lvx v3,0,r9 - - lvx v4,r11,r10 - lvx v5,r11,r9 - addi r11,r11,64 - - lvx v6,r12,r10 - lvx v7,r12,r9 - addi r12,r12,64 - - lvx v8,r11,r10 - lvx v9,r11,r9 - addi r11,r11,64 - - lvx v10,r12,r10 - lvx v11,r12,r9 - - lvx v12,r11,r10 - lvx v13,r11,r9 -L(restoreFXR2): - ld r0,FRAME_SIZE+16(r1) - ld r10,INT_PARMS+56(r1) - ld r9,INT_PARMS+48(r1) - ld r8,INT_PARMS+40(r1) - ld r7,INT_PARMS+32(r1) - mtlr r0 - ld r0,8(r1) - ld r6,INT_PARMS+24(r1) - ld r5,INT_PARMS+16(r1) - ld r4,INT_PARMS+8(r1) - mtcrf 0xFF,r0 -/* Load the target address, toc and static chain reg from the function - descriptor returned by fixup. */ - ld r0,0(r3) - std r2,40(r1) - ld r2,8(r3) - ld r11,16(r3) - ld r3,INT_PARMS+0(r1) - mtctr r0 -/* Load the floating point registers. */ - lfd fp1,FPR_PARMS+0(r1) - lfd fp2,FPR_PARMS+8(r1) - lfd fp3,FPR_PARMS+16(r1) - lfd fp4,FPR_PARMS+24(r1) - lfd fp5,FPR_PARMS+32(r1) - lfd fp6,FPR_PARMS+40(r1) - lfd fp7,FPR_PARMS+48(r1) - lfd fp8,FPR_PARMS+56(r1) - lfd fp9,FPR_PARMS+64(r1) - lfd fp10,FPR_PARMS+72(r1) - lfd fp11,FPR_PARMS+80(r1) - lfd fp12,FPR_PARMS+88(r1) - lfd fp13,FPR_PARMS+96(r1) -/* Call the target function. */ - bctrl - ld r2,40(r1) - lwz r12,VR_VRSAVE(r1) -/* But return here and store the return values. */ - std r3,INT_RTN(r1) - std r4,INT_RTN+8(r1) - stfd fp1,FPR_PARMS+0(r1) - stfd fp2,FPR_PARMS+8(r1) - cmpdi cr0,r12,0 - la r10,VR_RTN(r1) - stfd fp3,FPR_PARMS+16(r1) - stfd fp4,FPR_PARMS+24(r1) - mr r3,r31 - mr r4,r30 - beq L(callpltexit) - stvx v2,0,r10 -L(callpltexit): - addi r5,r1,INT_PARMS - addi r6,r1,INT_RTN - bl JUMPTARGET(_dl_call_pltexit) - nop -/* Restore the return values from target function. */ - lwz r12,VR_VRSAVE(r1) - ld r3,INT_RTN(r1) - ld r4,INT_RTN+8(r1) - lfd fp1,FPR_PARMS+0(r1) - lfd fp2,FPR_PARMS+8(r1) - cmpdi cr0,r12,0 - la r10,VR_RTN(r1) - lfd fp3,FPR_PARMS+16(r1) - lfd fp4,FPR_PARMS+24(r1) - beq L(pltexitreturn) - lvx v2,0,r10 -L(pltexitreturn): - ld r0,FRAME_SIZE+16(r1) - ld r31,584(r1) - ld r30,576(r1) - mtlr r0 - ld r1,0(r1) - blr -END(_dl_profile_resolve) -#endif diff --git a/sysdeps/powerpc/powerpc64/elf/Makefile b/sysdeps/powerpc/powerpc64/elf/Makefile index 6a77e116bd..bd0580ebc9 100644 --- a/sysdeps/powerpc/powerpc64/elf/Makefile +++ b/sysdeps/powerpc/powerpc64/elf/Makefile @@ -2,10 +2,10 @@ # Need to prevent gcc from using fprs in code used during dynamic linking. -CFLAGS-dl-runtime.os = $(no-special-regs) -CFLAGS-dl-lookup.os = $(no-special-regs) -CFLAGS-dl-misc.os = $(no-special-regs) -CFLAGS-rtld-mempcpy.os = $(no-special-regs) -CFLAGS-rtld-memmove.os = $(no-special-regs) -CFLAGS-rtld-memchr.os = $(no-special-regs) -CFLAGS-rtld-strnlen.os = $(no-special-regs) +CFLAGS-dl-runtime.os := -msoft-float +CFLAGS-dl-lookup.os := -msoft-float +CFLAGS-dl-misc.os := -msoft-float +CFLAGS-rtld-mempcpy.os := -msoft-float +CFLAGS-rtld-memmove.os := -msoft-float +CFLAGS-rtld-memchr.os := -msoft-float +CFLAGS-rtld-strnlen.os := -msoft-float diff --git a/sysdeps/powerpc/powerpc64/fpu/e_sqrt.c b/sysdeps/powerpc/powerpc64/fpu/e_sqrt.c deleted file mode 100644 index 0a229cbe27..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/e_sqrt.c +++ /dev/null @@ -1,29 +0,0 @@ -/* Double-precision floating point square root. - Copyright (C) 1997, 2002, 2003, 2004, 2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <math.h> -#include <math_private.h> - -double -__ieee754_sqrt (double x) -{ - double z; - __asm __volatile ("fsqrt %0,%1" : "=f" (z) : "f" (x)); - return z; -} diff --git a/sysdeps/powerpc/powerpc64/fpu/s_ceil.S b/sysdeps/powerpc/powerpc64/fpu/s_ceil.S index 02b70940ee..a1bfaa70c2 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_ceil.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_ceil.S @@ -1,5 +1,5 @@ /* ceil function. PowerPC64 version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. + Copyright (C) 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -18,14 +18,15 @@ 02111-1307 USA. */ #include <sysdep.h> -#include <math_ldbl_opt.h> .section ".toc","aw" .LC0: /* 2**52 */ .tc FD_43300000_0[TC],0x4330000000000000 +.LC1: /* -0.0 */ + .tc FD_80000000_0[TC],0x8000000000000000 .section ".text" -EALIGN (__ceil, 4, 0) +ENTRY (__ceil) CALL_MCOUNT 0 mffs fp11 /* Save current FPU rounding mode. */ lfd fp13,.LC0@toc(2) @@ -38,18 +39,17 @@ EALIGN (__ceil, 4, 0) ble- cr6,.L4 fadd fp1,fp1,fp13 /* x+= TWO52; */ fsub fp1,fp1,fp13 /* x-= TWO52; */ - fabs fp1,fp1 /* if (x == 0.0) */ - /* x = 0.0; */ +.L9: mtfsf 0x01,fp11 /* restore previous rounding mode. */ blr .L4: bge- cr6,.L9 /* if (x < 0.0) */ fsub fp1,fp1,fp13 /* x-= TWO52; */ fadd fp1,fp1,fp13 /* x+= TWO52; */ - fnabs fp1,fp1 /* if (x == 0.0) */ - /* x = -0.0; */ -.L9: + fcmpu cr5,fp1,fp12 /* if (x > 0.0) */ mtfsf 0x01,fp11 /* restore previous rounding mode. */ + bnelr+ cr5 + lfd fp1,.LC1@toc(2) /* x must be -0.0 for the 0.0 case. */ blr END (__ceil) @@ -59,6 +59,3 @@ weak_alias (__ceil, ceil) weak_alias (__ceil, ceill) strong_alias (__ceil, __ceill) #endif -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0) -compat_symbol (libm, __ceil, ceill, GLIBC_2_0) -#endif diff --git a/sysdeps/powerpc/powerpc64/fpu/s_ceilf.S b/sysdeps/powerpc/powerpc64/fpu/s_ceilf.S index 1ccd133b66..42eb274389 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_ceilf.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_ceilf.S @@ -21,13 +21,15 @@ .section ".toc","aw" .LC0: /* 2**23 */ - .tc FD_4b000000_0[TC],0x4b00000000000000 + .tc FD_41600000_0[TC],0x4160000000000000 +.LC1: /* -0.0 */ + .tc FD_80000000_0[TC],0x8000000000000000 .section ".text" -EALIGN (__ceilf, 4, 0) +ENTRY (__ceilf) CALL_MCOUNT 0 mffs fp11 /* Save current FPU rounding mode. */ - lfs fp13,.LC0@toc(2) + lfd fp13,.LC0@toc(2) fabs fp0,fp1 fsubs fp12,fp13,fp13 /* generate 0.0 */ fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO23) */ @@ -37,18 +39,17 @@ EALIGN (__ceilf, 4, 0) ble- cr6,.L4 fadds fp1,fp1,fp13 /* x+= TWO23; */ fsubs fp1,fp1,fp13 /* x-= TWO23; */ - fabs fp1,fp1 /* if (x == 0.0) */ - /* x = 0.0; */ +.L9: mtfsf 0x01,fp11 /* restore previous rounding mode. */ blr .L4: bge- cr6,.L9 /* if (x < 0.0) */ fsubs fp1,fp1,fp13 /* x-= TWO23; */ fadds fp1,fp1,fp13 /* x+= TWO23; */ - fnabs fp1,fp1 /* if (x == 0.0) */ - /* x = -0.0; */ -.L9: + fcmpu cr5,fp1,fp12 /* if (x > 0.0) */ mtfsf 0x01,fp11 /* restore previous rounding mode. */ + bnelr+ cr5 + lfd fp1,.LC1@toc(2) /* x must be -0.0 for the 0.0 case. */ blr END (__ceilf) diff --git a/sysdeps/powerpc/powerpc64/fpu/s_ceill.S b/sysdeps/powerpc/powerpc64/fpu/s_ceill.S deleted file mode 100644 index a8f8a0afc5..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/s_ceill.S +++ /dev/null @@ -1,133 +0,0 @@ -/* s_ceill.S IBM extended format long double version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep.h> -#include <math_ldbl_opt.h> - - .section ".toc","aw" -.LC0: /* 2**52 */ - .tc FD_43300000_0[TC],0x4330000000000000 - - .section ".text" - -/* long double [fp1,fp2] ceill (long double x [fp1,fp2]) - IEEE 1003.1 ceil function. - - PowerPC64 long double uses the IBM extended format which is - represented two 64-floating point double values. The values are - non-overlapping giving an effective precision of 106 bits. The first - double contains the high order bits of mantisa and is always ceiled - to represent a normal ceiling of long double to double. Since the - long double value is sum of the high and low values, the low double - normally has the opposite sign to compensate for the this ceiling. - - For long double there are two cases: - 1) |x| < 2**52, all the integer bits are in the high double. - ceil the high double and set the low double to -0.0. - 2) |x| >= 2**52, ceiling involves both doubles. - See the comment before lable .L2 for details. - */ - -ENTRY (__ceill) - mffs fp11 /* Save current FPU rounding mode. */ - lfd fp13,.LC0@toc(2) - fabs fp0,fp1 - fabs fp9,fp2 - fsub fp12,fp13,fp13 /* generate 0.0 */ - fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO52) */ - fcmpu cr6,fp1,fp12 /* if (x > 0.0) */ - bnl- cr7,.L2 - mtfsfi 7,2 /* Set rounding mode toward +inf. */ - fneg fp2,fp12 - ble- cr6,.L1 - fadd fp1,fp1,fp13 /* x+= TWO52; */ - fsub fp1,fp1,fp13 /* x-= TWO52; */ - fabs fp1,fp1 /* if (x == 0.0) */ -.L0: - mtfsf 0x01,fp11 /* restore previous rounding mode. */ - blr /* x = 0.0; */ -.L1: - bge- cr6,.L0 /* if (x < 0.0) */ - fsub fp1,fp1,fp13 /* x-= TWO52; */ - fadd fp1,fp1,fp13 /* x+= TWO52; */ - fcmpu cr5,fp1,fp12 /* if (x > 0.0) */ - mtfsf 0x01,fp11 /* restore previous rounding mode. */ - fnabs fp1,fp1 /* if (x == 0.0) */ - blr /* x = -0.0; */ - -/* The high double is > TWO52 so we need to round the low double and - perhaps the high double. In this case we have to round the low - double and handle any adjustment to the high double that may be - caused by rounding (up). This is complicated by the fact that the - high double may already be rounded and the low double may have the - opposite sign to compensate.This gets a bit tricky so we use the - following algorithm: - - tau = floor(x_high/TWO52); - x0 = x_high - tau; - x1 = x_low + tau; - r1 = rint(x1); - y_high = x0 + r1; - y_low = x0 - y_high + r1; - return y; */ -.L2: - fcmpu cr7,fp9,fp13 /* if (|x_low| > TWO52) */ - fcmpu cr0,fp9,fp12 /* || (|x_low| == 0.0) */ - fcmpu cr5,fp2,fp12 /* if (x_low > 0.0) */ - bgelr- cr7 /* return x; */ - beqlr- cr0 - mtfsfi 7,2 /* Set rounding mode toward +inf. */ - fdiv fp8,fp1,fp13 /* x_high/TWO52 */ - - bng- cr6,.L6 /* if (x > 0.0) */ - fctidz fp0,fp8 - fcfid fp8,fp0 /* tau = floor(x_high/TWO52); */ - bng cr5,.L4 /* if (x_low > 0.0) */ - fmr fp3,fp1 - fmr fp4,fp2 - b .L5 -.L4: /* if (x_low < 0.0) */ - fsub fp3,fp1,fp8 /* x0 = x_high - tau; */ - fadd fp4,fp2,fp8 /* x1 = x_low + tau; */ -.L5: - fadd fp5,fp4,fp13 /* r1 = r1 + TWO52; */ - fsub fp5,fp5,fp13 /* r1 = r1 - TWO52; */ - b .L9 -.L6: /* if (x < 0.0) */ - fctidz fp0,fp8 - fcfid fp8,fp0 /* tau = floor(x_high/TWO52); */ - bnl cr5,.L7 /* if (x_low < 0.0) */ - fmr fp3,fp1 - fmr fp4,fp2 - b .L8 -.L7: /* if (x_low > 0.0) */ - fsub fp3,fp1,fp8 /* x0 = x_high - tau; */ - fadd fp4,fp2,fp8 /* x1 = x_low + tau; */ -.L8: - fsub fp5,fp4,fp13 /* r1-= TWO52; */ - fadd fp5,fp5,fp13 /* r1+= TWO52; */ -.L9: - mtfsf 0x01,fp11 /* restore previous rounding mode. */ - fadd fp1,fp3,fp5 /* y_high = x0 + r1; */ - fsub fp2,fp3,fp1 /* y_low = x0 - y_high + r1; */ - fadd fp2,fp2,fp5 - blr -END (__ceill) - -long_double_symbol (libm, __ceill, ceill) diff --git a/sysdeps/powerpc/powerpc64/fpu/s_copysign.S b/sysdeps/powerpc/powerpc64/fpu/s_copysign.S index 38171e31d7..a43ed12cf0 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_copysign.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_copysign.S @@ -1,5 +1,5 @@ /* Copy a sign bit between floating-point values. PowerPC64 version. - Copyright (C) 1997, 1999, 2000, 2002, 2006 Free Software Foundation, Inc. + Copyright (C) 1997, 1999, 2000, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -21,7 +21,6 @@ when it's coded in C. */ #include <sysdep.h> -#include <math_ldbl_opt.h> ENTRY(__copysign) CALL_MCOUNT 0 @@ -29,11 +28,7 @@ ENTRY(__copysign) copysign(x,y) returns a value with the magnitude of x and with the sign bit of y. */ stdu r1,-48(r1) - cfi_adjust_cfa_offset (48) stfd fp2,24(r1) - nop - nop - nop ld r3,24(r1) cmpdi r3,0 addi r1,r1,48 @@ -44,20 +39,13 @@ L(0): fnabs fp1,fp1 blr END (__copysign) -weak_alias (__copysign,copysign) +weak_alias(__copysign,copysign) /* It turns out that it's safe to use this code even for single-precision. */ -weak_alias (__copysign,copysignf) +weak_alias(__copysign,copysignf) strong_alias(__copysign,__copysignf) #ifdef NO_LONG_DOUBLE -weak_alias (__copysign,copysignl) +weak_alias(__copysign,copysignl) strong_alias(__copysign,__copysignl) #endif -#ifdef IS_IN_libm -# if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0) -compat_symbol (libm, __copysign, copysignl, GLIBC_2_0) -# endif -#elif LONG_DOUBLE_COMPAT(libc, GLIBC_2_0) -compat_symbol (libc, __copysign, copysignl, GLIBC_2_0) -#endif diff --git a/sysdeps/powerpc/powerpc64/fpu/s_copysignl.S b/sysdeps/powerpc/powerpc64/fpu/s_copysignl.S deleted file mode 100644 index b2c62eacba..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/s_copysignl.S +++ /dev/null @@ -1,51 +0,0 @@ -/* Copy a sign bit between floating-point values. - IBM extended format long double version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep.h> -#include <math_ldbl_opt.h> - -ENTRY(__copysignl) -/* long double [f1,f2] copysign (long double [f1,f2] x, long double [f3,f4] y); - copysign(x,y) returns a value with the magnitude of x and - with the sign bit of y. */ - stfd fp3,-16(r1) - ld r3,-16(r1) - cmpdi r3,0 - blt L(0) - fmr fp0,fp1 - fabs fp1,fp1 - fcmpu cr1,fp0,fp1 - beqlr cr1 - fneg fp2,fp2 - blr -L(0): - fmr fp0,fp1 - fnabs fp1,fp1 - fcmpu cr1,fp0,fp1 - beqlr cr1 - fneg fp2,fp2 - blr -END (__copysignl) - -#ifdef IS_IN_libm -long_double_symbol (libm, __copysignl, copysignl) -#else -long_double_symbol (libc, __copysignl, copysignl) -#endif diff --git a/sysdeps/powerpc/powerpc64/fpu/s_fabs.S b/sysdeps/powerpc/powerpc64/fpu/s_fabs.S deleted file mode 100644 index 53d21301ee..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/s_fabs.S +++ /dev/null @@ -1,5 +0,0 @@ -#include <math_ldbl_opt.h> -#include <sysdeps/powerpc/fpu/s_fabs.S> -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0) -compat_symbol (libm, __fabs, fabsl, GLIBC_2_0) -#endif diff --git a/sysdeps/powerpc/powerpc64/fpu/s_fabsl.S b/sysdeps/powerpc/powerpc64/fpu/s_fabsl.S deleted file mode 100644 index 3655e5b2f3..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/s_fabsl.S +++ /dev/null @@ -1,36 +0,0 @@ -/* Copy a sign bit between floating-point values. - IBM extended format long double version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep.h> -#include <math_ldbl_opt.h> - -ENTRY(__fabsl) -/* long double [f1,f2] fabs (long double [f1,f2] x); - fabs(x,y) returns a value with the magnitude of x and - with the sign bit of y. */ - fmr fp0,fp1 - fabs fp1,fp1 - fcmpu cr1,fp0,fp1 - beqlr cr1 - fneg fp2,fp2 - blr -END (__fabsl) - -long_double_symbol (libm, __fabsl, fabsl) diff --git a/sysdeps/powerpc/powerpc64/fpu/s_fdim.c b/sysdeps/powerpc/powerpc64/fpu/s_fdim.c deleted file mode 100644 index e34b51ee54..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/s_fdim.c +++ /dev/null @@ -1,5 +0,0 @@ -#include <math_ldbl_opt.h> -#include <sysdeps/powerpc/fpu/s_fdim.c> -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1) -compat_symbol (libm, __fdim, fdiml, GLIBC_2_1); -#endif diff --git a/sysdeps/powerpc/powerpc64/fpu/s_floor.S b/sysdeps/powerpc/powerpc64/fpu/s_floor.S index 65a2848b67..80cbdc5709 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_floor.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_floor.S @@ -1,5 +1,5 @@ /* Floor function. PowerPC64 version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. + Copyright (C) 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -18,14 +18,13 @@ 02111-1307 USA. */ #include <sysdep.h> -#include <math_ldbl_opt.h> .section ".toc","aw" .LC0: /* 2**52 */ .tc FD_43300000_0[TC],0x4330000000000000 .section ".text" -EALIGN (__floor, 4, 0) +ENTRY (__floor) CALL_MCOUNT 0 mffs fp11 /* Save current FPU rounding mode. */ lfd fp13,.LC0@toc(2) @@ -38,16 +37,15 @@ EALIGN (__floor, 4, 0) ble- cr6,.L4 fadd fp1,fp1,fp13 /* x+= TWO52; */ fsub fp1,fp1,fp13 /* x-= TWO52; */ - fabs fp1,fp1 /* if (x == 0.0) */ - /* x = 0.0; */ + fcmpu cr5,fp1,fp12 /* if (x > 0.0) */ mtfsf 0x01,fp11 /* restore previous rounding mode. */ + bnelr+ cr5 + fmr fp1,fp12 /* x must be +0.0 for the 0.0 case. */ blr .L4: bge- cr6,.L9 /* if (x < 0.0) */ fsub fp1,fp1,fp13 /* x-= TWO52; */ fadd fp1,fp1,fp13 /* x+= TWO52; */ - fnabs fp1,fp1 /* if (x == 0.0) */ - /* x = -0.0; */ .L9: mtfsf 0x01,fp11 /* restore previous rounding mode. */ blr @@ -59,6 +57,3 @@ weak_alias (__floor, floor) weak_alias (__floor, floorl) strong_alias (__floor, __floorl) #endif -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0) -compat_symbol (libm, __floor, floorl, GLIBC_2_0) -#endif diff --git a/sysdeps/powerpc/powerpc64/fpu/s_floorf.S b/sysdeps/powerpc/powerpc64/fpu/s_floorf.S index bcdbf7823d..20cbb15ebd 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_floorf.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_floorf.S @@ -21,13 +21,13 @@ .section ".toc","aw" .LC0: /* 2**23 */ - .tc FD_4b000000_0[TC],0x4b00000000000000 + .tc FD_41600000_0[TC],0x4160000000000000 .section ".text" -EALIGN (__floorf, 4, 0) +ENTRY (__floorf) CALL_MCOUNT 0 mffs fp11 /* Save current FPU rounding mode. */ - lfs fp13,.LC0@toc(2) + lfd fp13,.LC0@toc(2) fabs fp0,fp1 fsubs fp12,fp13,fp13 /* generate 0.0 */ fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO23) */ @@ -37,16 +37,15 @@ EALIGN (__floorf, 4, 0) ble- cr6,.L4 fadds fp1,fp1,fp13 /* x+= TWO23; */ fsubs fp1,fp1,fp13 /* x-= TWO23; */ - fabs fp1,fp1 /* if (x == 0.0) */ - /* x = 0.0; */ + fcmpu cr5,fp1,fp12 /* if (x > 0.0) */ mtfsf 0x01,fp11 /* restore previous rounding mode. */ + bnelr+ cr5 + fmr fp1,fp12 /* x must be +0.0 for the 0.0 case. */ blr .L4: bge- cr6,.L9 /* if (x < 0.0) */ fsubs fp1,fp1,fp13 /* x-= TWO23; */ fadds fp1,fp1,fp13 /* x+= TWO23; */ - fnabs fp1,fp1 /* if (x == 0.0) */ - /* x = -0.0; */ .L9: mtfsf 0x01,fp11 /* restore previous rounding mode. */ blr diff --git a/sysdeps/powerpc/powerpc64/fpu/s_floorl.S b/sysdeps/powerpc/powerpc64/fpu/s_floorl.S deleted file mode 100644 index 01b3c2101d..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/s_floorl.S +++ /dev/null @@ -1,134 +0,0 @@ -/* long double floor function. - IBM extended format long double version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep.h> -#include <math_ldbl_opt.h> - - .section ".toc","aw" -.LC0: /* 2**52 */ - .tc FD_43300000_0[TC],0x4330000000000000 - - .section ".text" -/* long double [fp1,fp2] floorl (long double x [fp1,fp2]) - IEEE 1003.1 floor function. - - PowerPC64 long double uses the IBM extended format which is - represented two 64-floating point double values. The values are - non-overlapping giving an effective precision of 106 bits. The first - double contains the high order bits of mantisa and is always rounded - to represent a normal rounding of long double to double. Since the - long double value is sum of the high and low values, the low double - normally has the opposite sign to compensate for the this rounding. - - For long double there are two cases: - 1) |x| < 2**52, all the integer bits are in the high double. - floor the high double and set the low double to -0.0. - 2) |x| >= 2**52, Rounding involves both doubles. - See the comment before lable .L2 for details. - */ - -ENTRY (__floorl) - mffs fp11 /* Save current FPU rounding mode. */ - lfd fp13,.LC0@toc(2) - fabs fp0,fp1 - fabs fp9,fp2 - fsub fp12,fp13,fp13 /* generate 0.0 */ - fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO52) */ - fcmpu cr6,fp1,fp12 /* if (x > 0.0) */ - bnl- cr7,.L2 - mtfsfi 7,3 /* Set rounding mode toward -inf. */ - fneg fp2,fp12 /* set low double to -0.0. */ - ble- cr6,.L0 - fadd fp1,fp1,fp13 /* x+= TWO52; */ - fsub fp1,fp1,fp13 /* x-= TWO52; */ - fcmpu cr5,fp1,fp12 /* if (x > 0.0) */ - mtfsf 0x01,fp11 /* restore previous rounding mode. */ - bnelr+ cr5 - fmr fp1,fp12 /* x must be +0.0 for the 0.0 case. */ - blr -.L0: - bge- cr6,.L1 /* if (x < 0.0) */ - fsub fp1,fp1,fp13 /* x-= TWO52; */ - fadd fp1,fp1,fp13 /* x+= TWO52; */ -.L1: - mtfsf 0x01,fp11 /* restore previous rounding mode. */ - blr - - -/* The high double is > TWO52 so we need to round the low double and - perhaps the high double. In this case we have to round the low - double and handle any adjustment to the high double that may be - caused by rounding (up). This is complicated by the fact that the - high double may already be rounded and the low double may have the - opposite sign to compensate.This gets a bit tricky so we use the - following algorithm: - - tau = floor(x_high/TWO52); - x0 = x_high - tau; - x1 = x_low + tau; - r1 = rint(x1); - y_high = x0 + r1; - y_low = x0 - y_high + r1; - return y; */ -.L2: - fcmpu cr7,fp9,fp13 /* if (|x_low| > TWO52) */ - fcmpu cr0,fp9,fp12 /* || (|x_low| == 0.0) */ - fcmpu cr5,fp2,fp12 /* if (x_low > 0.0) */ - bgelr- cr7 /* return x; */ - beqlr- cr0 - mtfsfi 7,3 /* Set rounding mode toward -inf. */ - fdiv fp8,fp1,fp13 /* x_high/TWO52 */ - - bng- cr6,.L6 /* if (x > 0.0) */ - fctidz fp0,fp8 - fcfid fp8,fp0 /* tau = floor(x_high/TWO52); */ - bng cr5,.L4 /* if (x_low > 0.0) */ - fmr fp3,fp1 - fmr fp4,fp2 - b .L5 -.L4: /* if (x_low < 0.0) */ - fsub fp3,fp1,fp8 /* x0 = x_high - tau; */ - fadd fp4,fp2,fp8 /* x1 = x_low + tau; */ -.L5: - fadd fp5,fp4,fp13 /* r1 = r1 + TWO52; */ - fsub fp5,fp5,fp13 /* r1 = r1 - TWO52; */ - b .L9 -.L6: /* if (x < 0.0) */ - fctidz fp0,fp8 - fcfid fp8,fp0 /* tau = floor(x_high/TWO52); */ - bnl cr5,.L7 /* if (x_low < 0.0) */ - fmr fp3,fp1 - fmr fp4,fp2 - b .L8 -.L7: /* if (x_low > 0.0) */ - fsub fp3,fp1,fp8 /* x0 = x_high - tau; */ - fadd fp4,fp2,fp8 /* x1 = x_low + tau; */ -.L8: - fsub fp5,fp4,fp13 /* r1-= TWO52; */ - fadd fp5,fp5,fp13 /* r1+= TWO52; */ -.L9: - mtfsf 0x01,fp11 /* restore previous rounding mode. */ - fadd fp1,fp3,fp5 /* y_high = x0 + r1; */ - fsub fp2,fp3,fp1 /* y_low = x0 - y_high + r1; */ - fadd fp2,fp2,fp5 - blr -END (__floorl) - -long_double_symbol (libm, __floorl, floorl) diff --git a/sysdeps/powerpc/powerpc64/fpu/s_fmax.S b/sysdeps/powerpc/powerpc64/fpu/s_fmax.S deleted file mode 100644 index 69735761ab..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/s_fmax.S +++ /dev/null @@ -1,5 +0,0 @@ -#include <math_ldbl_opt.h> -#include <sysdeps/powerpc/fpu/s_fmax.S> -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1) -compat_symbol (libm, __fmax, fmaxl, GLIBC_2_1) -#endif diff --git a/sysdeps/powerpc/powerpc64/fpu/s_fmin.S b/sysdeps/powerpc/powerpc64/fpu/s_fmin.S deleted file mode 100644 index 6d4a0a946c..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/s_fmin.S +++ /dev/null @@ -1,5 +0,0 @@ -#include <math_ldbl_opt.h> -#include <sysdeps/powerpc/fpu/s_fmin.S> -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1) -compat_symbol (libm, __fmin, fminl, GLIBC_2_1) -#endif diff --git a/sysdeps/powerpc/powerpc64/fpu/s_isnan.c b/sysdeps/powerpc/powerpc64/fpu/s_isnan.c deleted file mode 100644 index 397717ba9c..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/s_isnan.c +++ /dev/null @@ -1,7 +0,0 @@ -#include <sysdeps/powerpc/fpu/s_isnan.c> -#ifndef IS_IN_libm -# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0) -compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0); -compat_symbol (libc, isnan, isnanl, GLIBC_2_0); -# endif -#endif diff --git a/sysdeps/powerpc/powerpc64/fpu/s_llrint.S b/sysdeps/powerpc/powerpc64/fpu/s_llrint.S index ff0ba948a5..610b561f25 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_llrint.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_llrint.S @@ -1,5 +1,5 @@ /* Round double to long int. PowerPC64 version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. + Copyright (C) 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -18,7 +18,6 @@ 02111-1307 USA. */ #include <sysdep.h> -#include <math_ldbl_opt.h> /* long long int[r3] __llrint (double x[fp1]) */ ENTRY (__llrint) @@ -42,7 +41,3 @@ weak_alias (__llrint, llrintl) strong_alias (__lrint, __lrintl) weak_alias (__lrint, lrintl) #endif -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1) -compat_symbol (libm, __llrint, llrintl, GLIBC_2_1) -compat_symbol (libm, __lrint, lrintl, GLIBC_2_1) -#endif diff --git a/sysdeps/powerpc/powerpc64/fpu/s_llround.S b/sysdeps/powerpc/powerpc64/fpu/s_llround.S index d023b8f2c0..a3dcd4c33d 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_llround.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_llround.S @@ -1,5 +1,5 @@ /* llround function. PowerPC64 version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. + Copyright (C) 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -18,7 +18,6 @@ 02111-1307 USA. */ #include <sysdep.h> -#include <math_ldbl_opt.h> .section ".toc","aw" .LC0: /* -0.0 */ @@ -67,7 +66,3 @@ strong_alias (__llround, __llroundl) weak_alias (__lround, lroundl) strong_alias (__lround, __lroundl) #endif -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1) -compat_symbol (libm, __llround, llroundl, GLIBC_2_1) -compat_symbol (libm, __lround, lroundl, GLIBC_2_1) -#endif diff --git a/sysdeps/powerpc/powerpc64/fpu/s_llroundf.S b/sysdeps/powerpc/powerpc64/fpu/s_llroundf.S index bbbd05492e..b5ca43bf20 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_llroundf.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_llroundf.S @@ -1,5 +1,5 @@ /* llroundf function. PowerPC64 version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. + Copyright (C) 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -28,8 +28,8 @@ /* long long [r3] llroundf (float x [fp1]) IEEE 1003.1 llroundf function. IEEE specifies "roundf to the nearest - integer value, rounding halfway cases away from zero, regardless of - the current rounding mode." However PowerPC Architecture defines + integer value, roundfing halfway cases away from zero, regardless of + the current roundfing mode." However PowerPC Architecture defines "roundf to Nearest" as "Choose the best approximation. In case of a tie, choose the one that is even (least significant bit o).". So we can't use the PowerPC "round to Nearest" mode. Instead we set diff --git a/sysdeps/powerpc/powerpc64/fpu/s_nearbyintl.S b/sysdeps/powerpc/powerpc64/fpu/s_nearbyintl.S deleted file mode 100644 index 0d0eb36f98..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/s_nearbyintl.S +++ /dev/null @@ -1,114 +0,0 @@ -/* nearbyint long double. - IBM extended format long double version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep.h> -#include <math_ldbl_opt.h> - - .section ".toc","aw" -.LC0: /* 2**52 */ - .tc FD_43300000_0[TC],0x4330000000000000 - .section ".text" - -/* long double [fp1,fp2] nearbyintl (long double x [fp1,fp2]) - IEEE 1003.1 nearbyintl function. nearbyintl is simular to the rintl - but does raise the "inexact" exception. This implementation is - based on rintl but explicitly maskes the inexact exception on entry - and clears any pending inexact before restoring the exception mask - on exit. - - PowerPC64 long double uses the IBM extended format which is - represented two 64-floating point double values. The values are - non-overlapping giving an effective precision of 106 bits. The first - double contains the high order bits of mantisa and is always rounded - to represent a normal rounding of long double to double. Since the - long double value is sum of the high and low values, the low double - normally has the opposite sign to compensate for the this rounding. - - For long double there are two cases: - 1) |x| < 2**52, all the integer bits are in the high double. - floor the high double and set the low double to -0.0. - 2) |x| >= 2**52, Rounding involves both doubles. - See the comment before lable .L2 for details. - */ -ENTRY (__nearbyintl) - mffs fp11 /* Save current FPSCR. */ - lfd fp13,.LC0@toc(2) - fabs fp0,fp1 - mtfsb0 28 /* Disable "inexact" exceptions. */ - fsub fp12,fp13,fp13 /* generate 0.0 */ - fabs fp9,fp2 - fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO52) */ - fcmpu cr6,fp1,fp12 /* if (x > 0.0) */ - bnl- cr7,.L2 - fmr fp2,fp12 - bng- cr6,.L4 - fadd fp1,fp1,fp13 /* x+= TWO52; */ - fsub fp1,fp1,fp13 /* x-= TWO52; */ - b .L9 -.L4: - bnl- cr6,.L9 /* if (x < 0.0) */ - fsub fp1,fp13,fp1 /* x = TWO52 - x; */ - fsub fp0,fp1,fp13 /* x = - (x - TWO52); */ - fneg fp1,fp0 -.L9: - mtfsb0 6 /* Clear any pending "inexact" exceptions. */ - mtfsf 0x01,fp11 /* restore exception mask. */ - blr - -/* The high double is > TWO52 so we need to round the low double and - perhaps the high double. This gets a bit tricky so we use the - following algorithm: - - tau = floor(x_high/TWO52); - x0 = x_high - tau; - x1 = x_low + tau; - r1 = nearbyint(x1); - y_high = x0 + r1; - y_low = r1 - tau; - return y; */ -.L2: - fcmpu cr7,fp9,fp13 /* if (|x_low| > TWO52) */ - fcmpu cr0,fp9,fp12 /* || (|x_low| == 0.0) */ - bge- cr7,.L9 /* return x; */ - beq- cr0,.L9 - fdiv fp8,fp1,fp13 /* x_high/TWO52 */ - fctidz fp0,fp8 - fcfid fp8,fp0 /* tau = floor(x_high/TWO52); */ - fsub fp3,fp1,fp8 /* x0 = x_high - tau; */ - fadd fp4,fp2,fp8 /* x1 = x_low + tau; */ - - fcmpu cr6,fp4,fp12 /* if (x1 > 0.0) */ - bng- cr6,.L8 - fadd fp5,fp4,fp13 /* r1 = x1 + TWO52; */ - fsub fp5,fp5,fp13 /* r1 = r1 - TWO52; */ - b .L6 -.L8: - fmr fp5,fp4 - bge- cr6,.L6 /* if (x1 < 0.0) */ - fsub fp5,fp13,fp4 /* r1 = TWO52 - x1; */ - fsub fp0,fp5,fp13 /* r1 = - (r1 - TWO52); */ - fneg fp5,fp0 -.L6: - fadd fp1,fp3,fp5 /* y_high = x0 + r1; */ - fsub fp2,fp5,fp8 /* y_low = r1 - tau; */ - b .L9 -END (__nearbyintl) - -long_double_symbol (libm, __nearbyintl, nearbyintl) diff --git a/sysdeps/powerpc/powerpc64/fpu/s_rint.S b/sysdeps/powerpc/powerpc64/fpu/s_rint.S index b4fbc0b51b..79e807269d 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_rint.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_rint.S @@ -1,5 +1,5 @@ /* Round to int floating-point values. PowerPC64 version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. + Copyright (C) 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -21,14 +21,13 @@ when it's coded in C. */ #include <sysdep.h> -#include <math_ldbl_opt.h> .section ".toc","aw" .LC0: /* 2**52 */ .tc FD_43300000_0[TC],0x4330000000000000 .section ".text" -EALIGN (__rint, 4, 0) +ENTRY (__rint) CALL_MCOUNT 0 lfd fp13,.LC0@toc(2) fabs fp0,fp1 @@ -39,14 +38,13 @@ EALIGN (__rint, 4, 0) bng- cr6,.L4 fadd fp1,fp1,fp13 /* x+= TWO52; */ fsub fp1,fp1,fp13 /* x-= TWO52; */ - fabs fp1,fp1 /* if (x == 0.0) */ - blr /* x = 0.0; */ + blr .L4: bnllr- cr6 /* if (x < 0.0) */ - fsub fp1,fp1,fp13 /* x-= TWO52; */ - fadd fp1,fp1,fp13 /* x+= TWO52; */ - fnabs fp1,fp1 /* if (x == 0.0) */ - blr /* x = -0.0; */ + fsub fp1,fp13,fp1 /* x = TWO52 - x; */ + fsub fp0,fp1,fp13 /* x = - (x - TWO52); */ + fneg fp1,fp0 + blr END (__rint) weak_alias (__rint, rint) @@ -55,6 +53,3 @@ weak_alias (__rint, rint) weak_alias (__rint, rintl) strong_alias (__rint, __rintl) #endif -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0) -compat_symbol (libm, __rint, rintl, GLIBC_2_0) -#endif diff --git a/sysdeps/powerpc/powerpc64/fpu/s_rintf.S b/sysdeps/powerpc/powerpc64/fpu/s_rintf.S index e4fa9ba2e6..eb34dd5e77 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_rintf.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_rintf.S @@ -21,12 +21,12 @@ .section ".toc","aw" .LC0: /* 2**23 */ - .tc FD_4b000000_0[TC],0x4b00000000000000 + .tc FD_41600000_0[TC],0x4160000000000000 .section ".text" -EALIGN (__rintf, 4, 0) +ENTRY (__rintf) CALL_MCOUNT 0 - lfs fp13,.LC0@toc(2) + lfd fp13,.LC0@toc(2) fabs fp0,fp1 fsubs fp12,fp13,fp13 /* generate 0.0 */ fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO23) */ @@ -35,14 +35,13 @@ EALIGN (__rintf, 4, 0) bng- cr6,.L4 fadds fp1,fp1,fp13 /* x+= TWO23; */ fsubs fp1,fp1,fp13 /* x-= TWO23; */ - fabs fp1,fp1 /* if (x == 0.0) */ - blr /* x = 0.0; */ + blr .L4: bnllr- cr6 /* if (x < 0.0) */ - fsubs fp1,fp1,fp13 /* x-= TWO23; */ - fadds fp1,fp1,fp13 /* x+= TWO23; */ - fnabs fp1,fp1 /* if (x == 0.0) */ - blr /* x = -0.0; */ + fsubs fp1,fp13,fp1 /* x = TWO23 - x; */ + fsubs fp0,fp1,fp13 /* x = - (x - TWO23); */ + fneg fp1,fp0 + blr END (__rintf) weak_alias (__rintf, rintf) diff --git a/sysdeps/powerpc/powerpc64/fpu/s_round.S b/sysdeps/powerpc/powerpc64/fpu/s_round.S index 15afca1543..c0b6d46fea 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_round.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_round.S @@ -1,5 +1,5 @@ /* round function. PowerPC64 version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. + Copyright (C) 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -18,13 +18,14 @@ 02111-1307 USA. */ #include <sysdep.h> -#include <math_ldbl_opt.h> .section ".toc","aw" .LC0: /* 2**52 */ .tc FD_43300000_0[TC],0x4330000000000000 .LC1: /* 0.5 */ .tc FD_3fe00000_0[TC],0x3fe0000000000000 +.LC2: /* -0.0 */ + .tc FD_80000000_0[TC],0x8000000000000000 .section ".text" /* double [fp1] round (double x [fp1]) @@ -37,7 +38,7 @@ "Round toward Zero" mode and round by adding +-0.5 before rounding to the integer value. */ -EALIGN (__round, 4, 0) +ENTRY (__round) CALL_MCOUNT 0 mffs fp11 /* Save current FPU rounding mode. */ lfd fp13,.LC0@toc(2) @@ -52,8 +53,7 @@ EALIGN (__round, 4, 0) fadd fp1,fp1,fp10 /* x+= 0.5; */ fadd fp1,fp1,fp13 /* x+= TWO52; */ fsub fp1,fp1,fp13 /* x-= TWO52; */ - fabs fp1,fp1 /* if (x == 0.0) */ - /* x = 0.0; */ +.L9: mtfsf 0x01,fp11 /* restore previous rounding mode. */ blr .L4: @@ -61,10 +61,10 @@ EALIGN (__round, 4, 0) bge- cr6,.L9 /* if (x < 0.0) */ fsub fp1,fp9,fp13 /* x-= TWO52; */ fadd fp1,fp1,fp13 /* x+= TWO52; */ - fnabs fp1,fp1 /* if (x == 0.0) */ - /* x = -0.0; */ -.L9: - mtfsf 0x01,fp11 /* restore previous rounding mode. */ + fcmpu cr5,fp1,fp12 /* if (x > 0.0) */ + mtfsf 0x01,fp11 /* restore previous rounding mode. */ + bnelr+ cr5 + lfd fp1,.LC2@toc(2) /* x must be -0.0 for the 0.0 case. */ blr END (__round) @@ -74,6 +74,3 @@ weak_alias (__round, round) weak_alias (__round, roundl) strong_alias (__round, __roundl) #endif -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1) -compat_symbol (libm, __round, roundl, GLIBC_2_1) -#endif diff --git a/sysdeps/powerpc/powerpc64/fpu/s_roundf.S b/sysdeps/powerpc/powerpc64/fpu/s_roundf.S index d2e29fdb8f..23ee4c052b 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_roundf.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_roundf.S @@ -21,9 +21,11 @@ .section ".toc","aw" .LC0: /* 2**23 */ - .tc FD_4b000000_0[TC],0x4b00000000000000 + .tc FD_41600000_0[TC],0x4160000000000000 .LC1: /* 0.5 */ - .tc FD_3f000000_0[TC],0x3f00000000000000 + .tc FD_3fe00000_0[TC],0x3fe0000000000000 +.LC2: /* -0.0 */ + .tc FD_80000000_0[TC],0x8000000000000000 .section ".text" /* float [fp1] roundf (float x [fp1]) @@ -36,23 +38,22 @@ "Round toward Zero" mode and round by adding +-0.5 before rounding to the integer value. */ -EALIGN (__roundf, 4, 0) +ENTRY (__roundf ) CALL_MCOUNT 0 mffs fp11 /* Save current FPU rounding mode. */ - lfs fp13,.LC0@toc(2) + lfd fp13,.LC0@toc(2) fabs fp0,fp1 fsubs fp12,fp13,fp13 /* generate 0.0 */ fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO23) */ fcmpu cr6,fp1,fp12 /* if (x > 0.0) */ bnllr- cr7 mtfsfi 7,1 /* Set rounding mode toward 0. */ - lfs fp10,.LC1@toc(2) + lfd fp10,.LC1@toc(2) ble- cr6,.L4 fadds fp1,fp1,fp10 /* x+= 0.5; */ fadds fp1,fp1,fp13 /* x+= TWO23; */ fsubs fp1,fp1,fp13 /* x-= TWO23; */ - fabs fp1,fp1 /* if (x == 0.0) */ - /* x = 0.0; */ +.L9: mtfsf 0x01,fp11 /* restore previous rounding mode. */ blr .L4: @@ -60,10 +61,10 @@ EALIGN (__roundf, 4, 0) bge- cr6,.L9 /* if (x < 0.0) */ fsubs fp1,fp9,fp13 /* x-= TWO23; */ fadds fp1,fp1,fp13 /* x+= TWO23; */ - fnabs fp1,fp1 /* if (x == 0.0) */ - /* x = -0.0; */ -.L9: - mtfsf 0x01,fp11 /* restore previous rounding mode. */ + fcmpu cr5,fp1,fp12 /* if (x > 0.0) */ + mtfsf 0x01,fp11 /* restore previous rounding mode. */ + bnelr+ cr5 + lfd fp1,.LC2@toc(2) /* x must be -0.0 for the 0.0 case. */ blr END (__roundf) diff --git a/sysdeps/powerpc/powerpc64/fpu/s_roundl.S b/sysdeps/powerpc/powerpc64/fpu/s_roundl.S deleted file mode 100644 index 20da828a82..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/s_roundl.S +++ /dev/null @@ -1,133 +0,0 @@ -/* long double round function. - IBM extended format long double version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep.h> -#include <math_ldbl_opt.h> - - .section ".toc","aw" -.LC0: /* 2**52 */ - .tc FD_43300000_0[TC],0x4330000000000000 -.LC1: /* 0.5 */ - .tc FD_3fe00000_0[TC],0x3fe0000000000000 - .section ".text" - -/* long double [fp1,fp2] roundl (long double x [fp1,fp2]) - IEEE 1003.1 round function. IEEE specifies "round to the nearest - integer value, rounding halfway cases away from zero, regardless of - the current rounding mode." However PowerPC Architecture defines - "Round to Nearest" as "Choose the best approximation. In case of a - tie, choose the one that is even (least significant bit o).". - So we can't use the PowerPC "Round to Nearest" mode. Instead we set - "Round toward Zero" mode and round by adding +-0.5 before rounding - to the integer value. */ - -ENTRY (__roundl) - mffs fp11 /* Save current FPU rounding mode. */ - lfd fp13,.LC0@toc(2) - fabs fp0,fp1 - fabs fp9,fp2 - fsub fp12,fp13,fp13 /* generate 0.0 */ - fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO52) */ - fcmpu cr6,fp1,fp12 /* if (x > 0.0) */ - bnl- cr7,.L2 - mtfsfi 7,1 /* Set rounding mode toward 0. */ - lfd fp10,.LC1@toc(2) - ble- cr6,.L1 - fneg fp2,fp12 - fadd fp1,fp1,fp10 /* x+= 0.5; */ - fadd fp1,fp1,fp13 /* x+= TWO52; */ - fsub fp1,fp1,fp13 /* x-= TWO52; */ - fabs fp1,fp1 /* if (x == 0.0) x = 0.0; */ -.L0: - mtfsf 0x01,fp11 /* restore previous rounding mode. */ - blr -.L1: - fsub fp9,fp1,fp10 /* x-= 0.5; */ - fneg fp2,fp12 - bge- cr6,.L0 /* if (x < 0.0) */ - fsub fp1,fp9,fp13 /* x-= TWO52; */ - fadd fp1,fp1,fp13 /* x+= TWO52; */ - fnabs fp1,fp1 /* if (x == 0.0) x = -0.0; */ - mtfsf 0x01,fp11 /* restore previous rounding mode. */ - blr - -/* The high double is > TWO52 so we need to round the low double and - perhaps the high double. In this case we have to round the low - double and handle any adjustment to the high double that may be - caused by rounding (up). This is complicated by the fact that the - high double may already be rounded and the low double may have the - opposite sign to compensate.This gets a bit tricky so we use the - following algorithm: - - tau = floor(x_high/TWO52); - x0 = x_high - tau; - x1 = x_low + tau; - r1 = rint(x1); - y_high = x0 + r1; - y_low = x0 - y_high + r1; - return y; */ -.L2: - fcmpu cr7,fp9,fp13 /* if (|x_low| > TWO52) */ - fcmpu cr0,fp9,fp12 /* || (|x_low| == 0.0) */ - fcmpu cr5,fp2,fp12 /* if (x_low > 0.0) */ - lfd fp10,.LC1@toc(2) - bgelr- cr7 /* return x; */ - beqlr- cr0 - mtfsfi 7,1 /* Set rounding mode toward 0. */ - fdiv fp8,fp1,fp13 /* x_high/TWO52 */ - - bng- cr6,.L6 /* if (x > 0.0) */ - fctidz fp0,fp8 - fcfid fp8,fp0 /* tau = floor(x_high/TWO52); */ - bng cr5,.L4 /* if (x_low > 0.0) */ - fmr fp3,fp1 - fmr fp4,fp2 - b .L5 -.L4: /* if (x_low < 0.0) */ - fsub fp3,fp1,fp8 /* x0 = x_high - tau; */ - fadd fp4,fp2,fp8 /* x1 = x_low + tau; */ -.L5: - fadd fp5,fp4,fp10 /* r1 = x1 + 0.5; */ - fadd fp5,fp5,fp13 /* r1 = r1 + TWO52; */ - fsub fp5,fp5,fp13 /* r1 = r1 - TWO52; */ - b .L9 -.L6: /* if (x < 0.0) */ - fctidz fp0,fp8 - fcfid fp8,fp0 /* tau = floor(x_high/TWO52); */ - bnl cr5,.L7 /* if (x_low < 0.0) */ - fmr fp3,fp1 - fmr fp4,fp2 - b .L8 -.L7: /* if (x_low > 0.0) */ - fsub fp3,fp1,fp8 /* x0 = x_high - tau; */ - fadd fp4,fp2,fp8 /* x1 = x_low + tau; */ -.L8: - fsub fp5,fp4,fp10 /* r1 = x1 - 0.5; */ - fsub fp5,fp5,fp13 /* r1-= TWO52; */ - fadd fp5,fp5,fp13 /* r1+= TWO52; */ -.L9: - mtfsf 0x01,fp11 /* restore previous rounding mode. */ - fadd fp1,fp3,fp5 /* y_high = x0 + r1; */ - fsub fp2,fp3,fp1 /* y_low = x0 - y_high + r1; */ - fadd fp2,fp2,fp5 - blr -END (__roundl) - -long_double_symbol (libm, __roundl, roundl) diff --git a/sysdeps/powerpc/powerpc64/fpu/s_trunc.S b/sysdeps/powerpc/powerpc64/fpu/s_trunc.S index 086ed0025e..3ddd298525 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_trunc.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_trunc.S @@ -1,5 +1,5 @@ /* trunc function. PowerPC64 version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. + Copyright (C) 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -18,11 +18,12 @@ 02111-1307 USA. */ #include <sysdep.h> -#include <math_ldbl_opt.h> .section ".toc","aw" .LC0: /* 2**52 */ .tc FD_43300000_0[TC],0x4330000000000000 +.LC2: /* -0.0 */ + .tc FD_80000000_0[TC],0x8000000000000000 .section ".text" /* double [fp1] trunc (double x [fp1]) @@ -32,7 +33,7 @@ We set "round toward Zero" mode and trunc by adding +-2**52 then subtracting +-2**52. */ -EALIGN (__trunc, 4, 0) +ENTRY (__trunc) CALL_MCOUNT 0 mffs fp11 /* Save current FPU rounding mode. */ lfd fp13,.LC0@toc(2) @@ -45,18 +46,17 @@ EALIGN (__trunc, 4, 0) ble- cr6,.L4 fadd fp1,fp1,fp13 /* x+= TWO52; */ fsub fp1,fp1,fp13 /* x-= TWO52; */ - fabs fp1,fp1 /* if (x == 0.0) */ - /* x = 0.0; */ - mtfsf 0x01,fp11 /* restore previous rounding mode. */ +.L9: + mtfsf 0x01,fp11 /* restore previous truncing mode. */ blr .L4: bge- cr6,.L9 /* if (x < 0.0) */ fsub fp1,fp1,fp13 /* x-= TWO52; */ fadd fp1,fp1,fp13 /* x+= TWO52; */ - fnabs fp1,fp1 /* if (x == 0.0) */ - /* x = -0.0; */ -.L9: + fcmpu cr5,fp1,fp12 /* if (x > 0.0) */ mtfsf 0x01,fp11 /* restore previous rounding mode. */ + bnelr+ cr5 + lfd fp1,.LC2@toc(2) /* x must be -0.0 for the 0.0 case. */ blr END (__trunc) @@ -66,6 +66,3 @@ weak_alias (__trunc, trunc) weak_alias (__trunc, truncl) strong_alias (__trunc, __truncl) #endif -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1) -compat_symbol (libm, __trunc, truncl, GLIBC_2_1) -#endif diff --git a/sysdeps/powerpc/powerpc64/fpu/s_truncf.S b/sysdeps/powerpc/powerpc64/fpu/s_truncf.S index 1456e7f434..b38b722a6f 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_truncf.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_truncf.S @@ -1,5 +1,5 @@ /* truncf function. PowerPC64 version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. + Copyright (C) 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -21,7 +21,9 @@ .section ".toc","aw" .LC0: /* 2**23 */ - .tc FD_4b000000_0[TC],0x4b00000000000000 + .tc FD_41600000_0[TC],0x4160000000000000 +.LC2: /* -0.0 */ + .tc FD_80000000_0[TC],0x8000000000000000 .section ".text" /* float [fp1] truncf (float x [fp1]) @@ -31,10 +33,10 @@ We set "round toward Zero" mode and trunc by adding +-2**23 then subtracting +-2**23. */ -EALIGN (__truncf, 4, 0) +ENTRY (__truncf) CALL_MCOUNT 0 mffs fp11 /* Save current FPU rounding mode. */ - lfs fp13,.LC0@toc(2) + lfd fp13,.LC0@toc(2) fabs fp0,fp1 fsubs fp12,fp13,fp13 /* generate 0.0 */ fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO23) */ @@ -44,18 +46,17 @@ EALIGN (__truncf, 4, 0) ble- cr6,.L4 fadds fp1,fp1,fp13 /* x+= TWO23; */ fsubs fp1,fp1,fp13 /* x-= TWO23; */ - fabs fp1,fp1 /* if (x == 0.0) */ - /* x = 0.0; */ - mtfsf 0x01,fp11 /* restore previous rounding mode. */ +.L9: + mtfsf 0x01,fp11 /* restore previous truncing mode. */ blr .L4: bge- cr6,.L9 /* if (x < 0.0) */ fsubs fp1,fp1,fp13 /* x-= TWO23; */ fadds fp1,fp1,fp13 /* x+= TWO23; */ - fnabs fp1,fp1 /* if (x == 0.0) */ - /* x = -0.0; */ -.L9: + fcmpu cr5,fp1,fp12 /* if (x > 0.0) */ mtfsf 0x01,fp11 /* restore previous rounding mode. */ + bnelr+ cr5 + lfd fp1,.LC2@toc(2) /* x must be -0.0 for the 0.0 case. */ blr END (__truncf) diff --git a/sysdeps/powerpc/powerpc64/fpu/s_truncl.S b/sysdeps/powerpc/powerpc64/fpu/s_truncl.S deleted file mode 100644 index 1864fc14b7..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/s_truncl.S +++ /dev/null @@ -1,121 +0,0 @@ -/* long double trunc function. - IBM extended format long double version. - Copyright (C) 2004, 2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep.h> -#include <math_ldbl_opt.h> - - .section ".toc","aw" -.LC0: /* 2**52 */ - .tc FD_43300000_0[TC],0x4330000000000000 -.LC1: /* 0.5 */ - .tc FD_3fe00000_0[TC],0x3fe0000000000000 - .section ".text" - -/* long double [fp1,fp2] truncl (long double x [fp1,fp2]) */ - -ENTRY (__truncl) - mffs fp11 /* Save current FPU rounding mode. */ - lfd fp13,.LC0@toc(2) - fabs fp0,fp1 - fabs fp9,fp2 - fsub fp12,fp13,fp13 /* generate 0.0 */ - fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO52) */ - fcmpu cr6,fp1,fp12 /* if (x > 0.0) */ - bnl- cr7,.L2 - mtfsfi 7,1 /* Set rounding mode toward 0. */ - ble- cr6,.L1 - fneg fp2,fp12 - fadd fp1,fp1,fp13 /* x+= TWO52; */ - fsub fp1,fp1,fp13 /* x-= TWO52; */ - fabs fp1,fp1 /* if (x == 0.0) x = 0.0; */ -.L0: - mtfsf 0x01,fp11 /* restore previous rounding mode. */ - blr -.L1: - fneg fp2,fp12 - bge- cr6,.L0 /* if (x < 0.0) */ - fsub fp1,fp1,fp13 /* x-= TWO52; */ - fadd fp1,fp1,fp13 /* x+= TWO52; */ - fnabs fp1,fp1 /* if (x == 0.0) x = -0.0; */ - mtfsf 0x01,fp11 /* restore previous rounding mode. */ - blr - -/* The high double is > TWO52 so we need to round the low double and - perhaps the high double. In this case we have to round the low - double and handle any adjustment to the high double that may be - caused by rounding (up). This is complicated by the fact that the - high double may already be rounded and the low double may have the - opposite sign to compensate.This gets a bit tricky so we use the - following algorithm: - - tau = floor(x_high/TWO52); - x0 = x_high - tau; - x1 = x_low + tau; - r1 = rint(x1); - y_high = x0 + r1; - y_low = x0 - y_high + r1; - return y; */ -.L2: - fcmpu cr7,fp9,fp13 /* if (|x_low| > TWO52) */ - fcmpu cr0,fp9,fp12 /* || (|x_low| == 0.0) */ - fcmpu cr5,fp2,fp12 /* if (x_low > 0.0) */ - bgelr- cr7 /* return x; */ - beqlr- cr0 - mtfsfi 7,1 /* Set rounding mode toward 0. */ - fdiv fp8,fp1,fp13 /* x_high/TWO52 */ - - bng- cr6,.L6 /* if (x > 0.0) */ - fctidz fp0,fp8 - fcfid fp8,fp0 /* tau = floor(x_high/TWO52); */ - fadd fp8,fp8,fp8 /* tau++; Make tau even */ - bng cr5,.L4 /* if (x_low > 0.0) */ - fmr fp3,fp1 - fmr fp4,fp2 - b .L5 -.L4: /* if (x_low < 0.0) */ - fsub fp3,fp1,fp8 /* x0 = x_high - tau; */ - fadd fp4,fp2,fp8 /* x1 = x_low + tau; */ -.L5: - fadd fp5,fp4,fp13 /* r1 = r1 + TWO52; */ - fsub fp5,fp5,fp13 /* r1 = r1 - TWO52; */ - b .L9 -.L6: /* if (x < 0.0) */ - fctidz fp0,fp8 - fcfid fp8,fp0 /* tau = floor(x_high/TWO52); */ - fadd fp8,fp8,fp8 /* tau++; Make tau even */ - bnl cr5,.L7 /* if (x_low < 0.0) */ - fmr fp3,fp1 - fmr fp4,fp2 - b .L8 -.L7: /* if (x_low > 0.0) */ - fsub fp3,fp1,fp8 /* x0 = x_high - tau; */ - fadd fp4,fp2,fp8 /* x1 = x_low + tau; */ -.L8: - fsub fp5,fp4,fp13 /* r1-= TWO52; */ - fadd fp5,fp5,fp13 /* r1+= TWO52; */ -.L9: - mtfsf 0x01,fp11 /* restore previous rounding mode. */ - fadd fp1,fp3,fp5 /* y_high = x0 + r1; */ - fsub fp2,fp3,fp1 /* y_low = x0 - y_high + r1; */ - fadd fp2,fp2,fp5 - blr -END (__truncl) - -long_double_symbol (libm, __truncl, truncl) diff --git a/sysdeps/powerpc/powerpc64/hp-timing.c b/sysdeps/powerpc/powerpc64/hp-timing.c deleted file mode 100644 index 4e54e66e5e..0000000000 --- a/sysdeps/powerpc/powerpc64/hp-timing.c +++ /dev/null @@ -1,25 +0,0 @@ -/* Support for high precision, low overhead timing functions. - powerpc64 version. - Copyright (C) 2005 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <hp-timing.h> - -/* We have to define the variable for the overhead. */ -hp_timing_t _dl_hp_timing_overhead; diff --git a/sysdeps/powerpc/powerpc64/hp-timing.h b/sysdeps/powerpc/powerpc64/hp-timing.h deleted file mode 100644 index b58cca9003..0000000000 --- a/sysdeps/powerpc/powerpc64/hp-timing.h +++ /dev/null @@ -1,136 +0,0 @@ -/* High precision, low overhead timing functions. powerpc64 version. - Copyright (C) 2005 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#ifndef _HP_TIMING_H -#define _HP_TIMING_H 1 - -#include <string.h> -#include <sys/param.h> -#include <stdio-common/_itoa.h> -#include <atomic.h> - -/* The macros defined here use the powerpc 64-bit time base register. - The time base is nominally clocked at 1/8th the CPU clock, but this - can vary. - - The list of macros we need includes the following: - - - HP_TIMING_AVAIL: test for availability. - - - HP_TIMING_INLINE: this macro is non-zero if the functionality is not - implemented using function calls but instead uses some inlined code - which might simply consist of a few assembler instructions. We have to - know this since we might want to use the macros here in places where we - cannot make function calls. - - - hp_timing_t: This is the type for variables used to store the time - values. - - - HP_TIMING_ZERO: clear `hp_timing_t' object. - - - HP_TIMING_NOW: place timestamp for current time in variable given as - parameter. - - - HP_TIMING_DIFF_INIT: do whatever is necessary to be able to use the - HP_TIMING_DIFF macro. - - - HP_TIMING_DIFF: compute difference between two times and store it - in a third. Source and destination might overlap. - - - HP_TIMING_ACCUM: add time difference to another variable. This might - be a bit more complicated to implement for some platforms as the - operation should be thread-safe and 64bit arithmetic on 32bit platforms - is not. - - - HP_TIMING_ACCUM_NT: this is the variant for situations where we know - there are no threads involved. - - - HP_TIMING_PRINT: write decimal representation of the timing value into - the given string. This operation need not be inline even though - HP_TIMING_INLINE is specified. - -*/ - -/* We always assume having the timestamp register. */ -#define HP_TIMING_AVAIL (1) - -/* We indeed have inlined functions. */ -#define HP_TIMING_INLINE (1) - -/* We use 64bit values for the times. */ -typedef unsigned long long int hp_timing_t; - -/* Set timestamp value to zero. */ -#define HP_TIMING_ZERO(Var) (Var) = (0) - -/* That's quite simple. Use the `mftb' instruction. Note that the value - might not be 100% accurate since there might be some more instructions - running in this moment. This could be changed by using a barrier like - 'lwsync' right before the `mftb' instruciton. But we are not interested - in accurate clock cycles here so we don't do this. */ -#define HP_TIMING_NOW(Var) __asm__ __volatile__ ("mftb %0" : "=r" (Var)) - -/* Use two 'mftb' instructions in a row to find out how long it takes. - On current POWER4, POWER5, and 970 processors mftb take ~10 cycles. */ -#define HP_TIMING_DIFF_INIT() \ - do { \ - if (GLRO(dl_hp_timing_overhead) == 0) \ - { \ - int __cnt = 5; \ - GLRO(dl_hp_timing_overhead) = ~0ull; \ - do \ - { \ - hp_timing_t __t1, __t2; \ - HP_TIMING_NOW (__t1); \ - HP_TIMING_NOW (__t2); \ - if (__t2 - __t1 < GLRO(dl_hp_timing_overhead)) \ - GLRO(dl_hp_timing_overhead) = __t2 - __t1; \ - } \ - while (--__cnt > 0); \ - } \ - } while (0) - -/* It's simple arithmetic in 64-bit. */ -#define HP_TIMING_DIFF(Diff, Start, End) (Diff) = ((End) - (Start)) - -/* We need to insure that this add is atomic in threaded environments. We use - __arch_atomic_exchange_and_add_64 from atomic.h to get thread safety. */ -#define HP_TIMING_ACCUM(Sum, Diff) \ - do { \ - hp_timing_t __diff = (Diff) - GLRO(dl_hp_timing_overhead); \ - __arch_atomic_exchange_and_add_64 (&(Sum), __diff); \ - } while (0) - -/* No threads, no extra work. */ -#define HP_TIMING_ACCUM_NT(Sum, Diff) (Sum) += (Diff) - -/* Print the time value. */ -#define HP_TIMING_PRINT(Buf, Len, Val) \ - do { \ - char __buf[20]; \ - char *__cp = _itoa (Val, __buf + sizeof (__buf), 10, 0); \ - size_t __len = (Len); \ - char *__dest = (Buf); \ - while (__len-- > 0 && __cp < __buf + sizeof (__buf)) \ - *__dest++ = *__cp++; \ - memcpy (__dest, " ticks", MIN (__len, sizeof (" ticks"))); \ - } while (0) - -#endif /* hp-timing.h */ diff --git a/sysdeps/powerpc/powerpc64/memcpy.S b/sysdeps/powerpc/powerpc64/memcpy.S index f395de9066..9df5bb42b6 100644 --- a/sysdeps/powerpc/powerpc64/memcpy.S +++ b/sysdeps/powerpc/powerpc64/memcpy.S @@ -1,5 +1,5 @@ /* Optimized memcpy implementation for PowerPC64. - Copyright (C) 2003, 2006 Free Software Foundation, Inc. + Copyright (C) 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -43,7 +43,6 @@ EALIGN (BP_SYM (memcpy), 5, 0) neg 0,3 std 3,-16(1) std 31,-8(1) - cfi_offset(31,-8) andi. 11,3,7 /* check alignement of dst. */ clrldi 0,0,61 /* Number of bytes until the 1st doubleword of dst. */ clrldi 10,4,61 /* check alignement of src. */ diff --git a/sysdeps/powerpc/powerpc64/memset.S b/sysdeps/powerpc/powerpc64/memset.S index 09c79fccd7..1abc59bb17 100644 --- a/sysdeps/powerpc/powerpc64/memset.S +++ b/sysdeps/powerpc/powerpc64/memset.S @@ -62,7 +62,8 @@ EALIGN (BP_SYM (memset), 5, 0) #define rNEG64 r8 /* Constant -64 for clearing with dcbz. */ #define rCLS r8 /* Cache line size obtained from static. */ #define rCLM r9 /* Cache line size mask to check for cache alignment. */ -L(_memset): + +___memset: #if __BOUNDED_POINTERS__ cmpldi cr1, rRTN, 0 CHECK_BOUNDS_BOTH_WIDE (rMEMP0, rTMP, rTMP2, rLEN) @@ -281,11 +282,11 @@ ENTRY (BP_SYM (__bzero)) mr r4,r3 /* Tell memset that we don't want a return value. */ li r3,0 - b L(_memset) + b ___memset #else mr r5,r4 li r4,0 - b L(_memset) + b ___memset #endif END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS) diff --git a/sysdeps/powerpc/powerpc64/ppc-mcount.S b/sysdeps/powerpc/powerpc64/ppc-mcount.S index 5df9650577..46cb9fdc8a 100644 --- a/sysdeps/powerpc/powerpc64/ppc-mcount.S +++ b/sysdeps/powerpc/powerpc64/ppc-mcount.S @@ -1,5 +1,5 @@ /* PowerPC64-specific implementation of profiling support. - Copyright (C) 1997, 1999, 2002, 2006 Free Software Foundation, Inc. + Copyright (C) 1997, 1999, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,8 +14,8 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA - 02110-1301 USA. */ + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ #include <sysdep.h> /* We don't need to save the parameter-passing registers as gcc takes @@ -26,9 +26,7 @@ ENTRY(_mcount) mflr r4 ld r11, 0(r1) stdu r1,-112(r1) - cfi_adjust_cfa_offset (112) std r4, 128(r1) - cfi_offset (lr, 16) ld r3, 16(r11) bl JUMPTARGET(__mcount_internal) nop diff --git a/sysdeps/powerpc/powerpc64/register-dump.h b/sysdeps/powerpc/powerpc64/register-dump.h index fc27dcaef3..dd69af3faf 100644 --- a/sysdeps/powerpc/powerpc64/register-dump.h +++ b/sysdeps/powerpc/powerpc64/register-dump.h @@ -1,5 +1,5 @@ /* Dump registers. - Copyright (C) 1998, 2002, 2006 Free Software Foundation, Inc. + Copyright (C) 1998, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -34,7 +34,7 @@ gr16-19: 000000000000010% 000000000000011% 000000000000012% 000000000000013%\n\ gr20-23: 000000000000014% 000000000000015% 000000000000016% 000000000000017%\n\ gr24-27: 000000000000018% 000000000000019% 00000000000001a% 00000000000001b%\n\ gr28-31: 00000000000001c% 00000000000001d% 00000000000001e% 00000000000001f%\n\ -fscr=000000000000050%\n\ +fscr=0000071%\n\ fp0-3: 000000000000030% 000000000000031% 000000000000032% 000000000000033%\n\ fp4-7: 000000000000034% 000000000000035% 000000000000036% 000000000000037%\n\ fp8-11: 000000000000038% 000000000000038% 00000000000003a% 00000000000003b%\n\ @@ -104,7 +104,7 @@ register_dump (int fd, struct sigcontext *ctx) char buffer[sizeof(dumpform)]; char *bufferpos; unsigned regno; - unsigned long *regs = (unsigned long *)(ctx->regs); + unsigned *regs = (unsigned *)(ctx->regs); memcpy(buffer, dumpform, sizeof(dumpform)); @@ -117,7 +117,7 @@ register_dump (int fd, struct sigcontext *ctx) } /* Write the output. */ - write (fd, buffer, sizeof(buffer) - 1); + write (fd, buffer, sizeof(buffer)); } diff --git a/sysdeps/powerpc/powerpc64/setjmp-common.S b/sysdeps/powerpc/powerpc64/setjmp-common.S index 606eef5935..0de07a82d3 100644 --- a/sysdeps/powerpc/powerpc64/setjmp-common.S +++ b/sysdeps/powerpc/powerpc64/setjmp-common.S @@ -1,5 +1,5 @@ /* setjmp for PowerPC64. - Copyright (C) 1995-2003, 2004, 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 1995-2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -19,10 +19,11 @@ #include <sysdep.h> #define _ASM +#define _SETJMP_H #ifdef __NO_VMX__ #include <novmxsetjmp.h> #else -#include <jmpbuf-offsets.h> +#include <bits/setjmp.h> #endif #include <bp-sym.h> #include <bp-asm.h> @@ -45,13 +46,7 @@ ENTRY (BP_SYM (__sigsetjmp)) .hidden JUMPTARGET(GLUE(__sigsetjmp,_ent)) JUMPTARGET(GLUE(__sigsetjmp,_ent)): CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE) -#ifdef PTR_MANGLE - mr r5, r1 - PTR_MANGLE (r5, r6) - std r5,(JB_GPR1*8)(3) -#else std r1,(JB_GPR1*8)(3) -#endif mflr r0 #if defined SHARED && !defined IS_IN_rtld ld r5,40(r1) /* Retrieve the callers TOC. */ @@ -61,9 +56,6 @@ JUMPTARGET(GLUE(__sigsetjmp,_ent)): #endif std r14,((JB_GPRS+0)*8)(3) stfd fp14,((JB_FPRS+0)*8)(3) -#ifdef PTR_MANGLE - PTR_MANGLE2 (r0, r6) -#endif std r0,(JB_LR*8)(3) std r15,((JB_GPRS+1)*8)(3) stfd fp15,((JB_FPRS+1)*8)(3) @@ -102,14 +94,14 @@ JUMPTARGET(GLUE(__sigsetjmp,_ent)): std r31,((JB_GPRS+17)*8)(3) stfd fp31,((JB_FPRS+17)*8)(3) #ifndef __NO_VMX__ - ld r6,.LC__dl_hwcap@toc(r2) + ld r5,.LC__dl_hwcap@toc(r2) # ifdef SHARED /* Load _rtld-global._dl_hwcap. */ - ld r6,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r6) + ld r5,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r5) # else - ld r6,0(r6) /* Load extern _dl_hwcap. */ + ld r5,0(r5) /* Load extern _dl_hwcap. */ # endif - andis. r6,r6,(PPC_FEATURE_HAS_ALTIVEC >> 16) + andis. r5,r5,(PPC_FEATURE_HAS_ALTIVEC >> 16) beq L(no_vmx) la r5,((JB_VRS)*8)(3) andi. r6,r5,0xf @@ -184,13 +176,6 @@ L(aligned_save_vmx): stvx 30,0,r5 stvx 31,0,r6 L(no_vmx): -#else - li r6,0 #endif -#if defined NOT_IN_libc && defined IS_IN_rtld - li r3,0 - blr -#else b JUMPTARGET (BP_SYM (__sigjmp_save)) -#endif END (BP_SYM (__sigsetjmp)) diff --git a/sysdeps/powerpc/powerpc64/strncmp.S b/sysdeps/powerpc/powerpc64/strncmp.S index 34479e2e91..04bdc2f606 100644 --- a/sysdeps/powerpc/powerpc64/strncmp.S +++ b/sysdeps/powerpc/powerpc64/strncmp.S @@ -48,7 +48,6 @@ EALIGN (BP_SYM(strncmp), 4, 0) lis r7F7F, 0x7f7f dcbt 0,rSTR2 clrldi. rTMP, rTMP, 61 - cmpldi cr1, rN, 0 lis rFEFE, -0x101 bne L(unaligned) /* We are doubleword alligned so set up for two loops. first a double word @@ -56,8 +55,7 @@ EALIGN (BP_SYM(strncmp), 4, 0) srdi. rTMP, rN, 3 clrldi rN, rN, 61 addi rFEFE, rFEFE, -0x101 - addi r7F7F, r7F7F, 0x7f7f - cmpldi cr1, rN, 0 + addi r7F7F, r7F7F, 0x7f7f beq L(unaligned) mtctr rTMP /* Power4 wants mtctr 1st in dispatch group. */ @@ -128,19 +126,16 @@ L(tail): addi rSTR1, rSTR1, 8 bne- cr1, L(different) addi rSTR2, rSTR2, 8 - cmpldi cr1, rN, 0 L(unaligned): mtctr rN /* Power4 wants mtctr 1st in dispatch group */ - bgt cr1, L(uz) + cmpdi rN,0 + lbz rWORD1, 0(rSTR1) + lbz rWORD2, 0(rSTR2) + bgt L(u1) L(ux): li rRTN, 0 blr - .align 4 -L(uz): - lbz rWORD1, 0(rSTR1) - lbz rWORD2, 0(rSTR2) - nop - b L(u1) + L(u0): lbzu rWORD2, 1(rSTR2) L(u1): diff --git a/sysdeps/powerpc/powerpc64/sysdep.h b/sysdeps/powerpc/powerpc64/sysdep.h index 2745d7eb71..fead0b578a 100644 --- a/sysdeps/powerpc/powerpc64/sysdep.h +++ b/sysdeps/powerpc/powerpc64/sysdep.h @@ -1,5 +1,5 @@ /* Assembly macros for 64-bit PowerPC. - Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. + Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,8 +14,8 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA - 02110-1301 USA. */ + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ #include <sysdeps/powerpc/sysdep.h> @@ -92,8 +92,7 @@ name##: OPD_ENT (name); \ #define ENTRY(name) \ ENTRY_2(name) \ .align ALIGNARG(2); \ -BODY_LABEL(name): \ - cfi_startproc; +BODY_LABEL(name): #define EALIGN_W_0 /* No words to insert. */ #define EALIGN_W_1 nop @@ -110,8 +109,7 @@ BODY_LABEL(name): \ ENTRY_2(name) \ .align ALIGNARG(alignt); \ EALIGN_W_##words; \ -BODY_LABEL(name): \ - cfi_startproc; +BODY_LABEL(name): /* Local labels stripped out by the linker. */ #undef L @@ -175,13 +173,11 @@ LT_LABELSUFFIX(name,_name_end): ; \ /* END generates Traceback tables */ #undef END #define END(name) \ - cfi_endproc; \ TRACEBACK(name) \ END_2(name) /* This form supports more informative traceback tables */ #define END_GEN_TB(name,mask) \ - cfi_endproc; \ TRACEBACK_MASK(name,mask) \ END_2(name) |