about summary refs log tree commit diff
path: root/sysdeps/sparc
Commit message (Collapse)AuthorAgeFilesLines
* Update SPARC divrem generation to match output.Joseph Myers2017-12-156-11/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While working on another patch I noticed that (a) sysdeps/sparc/sparc32/Makefile is the only place with special realclean settings, apart from po/, and (b) the generated files with a rule in that Makefile to generate them (using m4) had been patched manually so no longer corresponded with the output of the generator - so if the timestamps were wrong, a build would result in changes to the files in the source directory. (They also didn't correspond because of changes in make 3.81 to how make handles whitespace at the start of a line in a sequence of backslash-newline continuation lines within a recipe.) This patch fixes the generation and output files to match. The issue with make and whitespace at start of continuation lines is fixed by putting those newlines outside of arguments to echo, so the number of spaces in the argument matches the number in the existing generated files. Then divrem.m4 is changed to avoid generating whitespace-only lines (my fix to the outputs from 2013; this fix to the generator also changes the indentation of a label in the output files) and to generate an alias in udiv.S (Adhemerval's fix from March). build-many-glibcs.py doesn't have a non-v9 SPARC configuration, because non-v9 32-bit SPARC didn't build when I set up build-many-glibcs.py but sparcv9 did build. Whether or not non-v9 32-bit SPARC now builds (or indeed whether or not support for it is obsolete), I tested by removing the sparcv8 and sparcv9 versions of the four files in question, so forcing the generated files to be built and used, and the compilation parts of the glibc testsuite passed. * sysdeps/sparc/sparc32/Makefile ($(divrem:%=$(sysdep_dir)/sparc/sparc32/%.S)): Do not include start-of-line whitespace in argument of echo. * sysdeps/sparc/sparc32/divrem.m4: Avoid generating lines starting with whitespace. Generate __wrap_.udiv alias. * sysdeps/sparc/sparc32/rem.S: Regenerated. * sysdeps/sparc/sparc32/sdiv.S: Likewise. * sysdeps/sparc/sparc32/udiv.S: Likewise. * sysdeps/sparc/sparc32/urem.S: Likewise.
* sparc: M7 optimized memset/bzeroPatrick McGehearty2017-12-146-2/+345
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Support added to identify Sparc M7/T7/S7/M8/T8 processor capability. Performance tests run on Sparc S7 using new code and old niagara4 code. Optimizations for memset also apply to bzero as they share code. For memset/bzero, performance comparison with niagara4 code: For memset nonzero data, 256-1023 bytes - 60-90% gain (in cache); 5% gain (out of cache) 1K+ bytes - 80-260% gain (in cache); 40-80% gain (out of cache) For memset zero data (and bzero), 256-1023 bytes - 80-120% gain (in cache), 0% gain (out of cache) 1024+ bytes - 2-4x gain (in cache), 10-35% gain (out of cache) Tested in sparcv9-*-* and sparc64-*-* targets in both multi and non-multi arch configurations. Patrick McGehearty <patrick.mcgehearty@oracle.com> Adhemerval Zanella <adhemerval.zanella@linaro.org> * sysdeps/sparc/sparc32/sparcv9/multiarch/Makefile (sysdeps_routines): Add memset-niagara7. * sysdeps/sparc/sparc64/multiarch/Makefile (sysdes_rotuines): Likewise. * sysdeps/sparc/sparc32/sparcv9/multiarch/memset-niagara7.S: New file. * sysdeps/sparc/sparc64/multiarch/memset-niagara7.S: Likewise. * sysdeps/sparc/sparc64/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add __bzero_niagara7 and __memset_niagara7. * sysdeps/sparc/sparc64/multiarch/ifunc-memset.h (IFUNC_SELECTOR): Add niagara7 option. * NEWS: Mention sparc m7 optimized memcpy, mempcpy, memmove, and memset.
* sparc: M7 optimized memcpy/mempcpy/memmovePatrick McGehearty2017-12-1412-2/+1072
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Support added to identify Sparc M7/T7/S7/M8/T8 processor capability. Performance tests run on Sparc S7 using new code and old niagara4 code. Optimizations for memcpy also apply to mempcpy and memmove where they share code. Optimizations for memset also apply to bzero as they share code. For memcpy/mempcpy/memmove, performance comparison with niagara4 code: Long word aligned data 0-127 bytes - minimal changes 128-1023 bytes - 7-30% gain 1024+ bytes - 1-7% gain (in cache); 30-100% gain (out of cache) Word aligned data 0-127 bytes - 50%+ gain 128-1023 bytes - 10-200% gain 1024+ bytes - 0-15% gain (in cache); 5-50% gain (out of cache) Unaligned data 0-127 bytes - 0-70%+ gain 128-447 bytes - 40-80%+ gain 448-511 bytes - 1-3% loss 512-4096 bytes - 2-3% gain (in cache); 0-20% gain (out of cache) 4096+ bytes - ± 3% (in cache); 20-50% gain (out of cache) Tested in sparcv9-*-* and sparc64-*-* targets in both multi and non-multi arch configurations. Patrick McGehearty <patrick.mcgehearty@oracle.com> Adhemerval Zanella <adhemerval.zanella@linaro.org> * sysdeps/sparc/sparc32/sparcv9/multiarch/Makefile (sysdeps_routines): Add memcpy-memmove-niagara7 and memmove-ultra1. * sysdeps/sparc/sparc64/multiarch/Makefile (sysdeps_routines): Likewise. * sysdeps/sparc/sparc32/sparcv9/multiarch/memcpy-memmove-niagara7.S: New file. * sysdeps/sparc/sparc32/sparcv9/multiarch/memmove-ultra1.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/multiarch/rtld-memmove.c: Likewise. * sysdeps/sparc/sparc64/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add __memcpy_niagara7, __mempcpy_niagara7, and __memmove_niagara7. * sysdeps/sparc/sparc64/multiarch/ifunc-memcpy.h (IFUNC_SELECTOR): Add niagara7 option. * sysdeps/sparc/sparc64/multiarch/memmove.c: New file. * sysdeps/sparc/sparc64/multiarch/ifunc-memmove.h: Likewise. * sysdeps/sparc/sparc64/multiarch/memcpy-memmove-niagara7.S: Likewise. * sysdeps/sparc/sparc64/multiarch/memmove-ultra1.S: Likewise. * sysdeps/sparc/sparc64/multiarch/rtld-memmove.c: Likewise.
* sparc: assembly version of memmove for ultra1+Jose E. Marchesi2017-12-144-0/+191
| | | | | | | | | | | | Tested in sparcv9-*-* and sparc64-*-* targets in both non-multi-arch and multi-arch configurations. * sysdeps/sparc/sparc32/sparcv9/memmove.S: New file. * sysdeps/sparc/sparc32/sparcv9/rtld-memmove.c: Likewise. * sysdeps/sparc/sparc64/memmove.S: Likewise. * sysdeps/sparc/sparc64/rtld-memmove.c: Likewise. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: support the ADP hw capabilityJose E. Marchesi2017-12-143-3/+4
| | | | | | | | | | | | | | | This patch adds support for the ADP (also known as adi) hardware capability, as reported by the kernel sparc port when running on M7 machines. Tested in both sparcv9-*-* and sparc64-*-* targets. * sysdeps/sparc/bits/hwcap.h (HWCAP_SPARC_ADP): Defined. * sysdeps/sparc/dl-procinfo.c: Added "adp" to the _dl_sparc_cap_flags array. * sysdeps/sparc/dl-procinfo.h (_DL_HWCAP_COUNT): Increment. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Sparc ulp update.David S. Miller2017-12-061-0/+6
| | | | | * sysdeps/sparc/fpu/libm-test-ulps: Update exp_{downward,towardzero,upward} ulps.
* sparc: Remove ununsed ifunc assembly macrosAdhemerval Zanella2017-12-011-142/+10
| | | | | | | | | | | | | Now that all SPARC ifunc converted to C implementation there is no need for both C and assembly macros. This patch removes the assembly ones. Checked on sparcv9-linux-gnu and sparc64-linux-gnu. * sysdeps/sparc/sparc-ifunc.h (SPARC_ASM_IFUNC_DFLT, SPARC_ASM_IFUNC1, SPARC_ASM_IFUNC2, SET, SPARC_ASM_VIS2_IFUNC, SPARC_ASM_VIS3_IFUNC, SPARC_ASM_VIS3_VIS2_IFUNC): Remove macros. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: Fix sparv9 multiarch buildAdhemerval Zanella2017-12-011-1/+1
| | | | | | | Fix build caused by 5b4e5e78690c4938de312a8b176f4b14eb7bea4a. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.c: Fix build due redirect macro.
* sparc: refactor cpu_relax to CAdhemerval Zanella2017-12-014-68/+39
| | | | | | | | | * sysdeps/sparc/sparc64/cpu_relax.c: New file. * sysdeps/sparc/sparc32/sparcv9/cpu_relax.c: Likewise. * sysdeps/sparc/sparc64/cpu_relax.S: Remove file. * sysdeps/sparc/sparc32/sparcv9/cpu_relax.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc32 nearbyint{f} selector to CAdhemerval Zanella2017-12-017-32/+75
| | | | | | | | | | | | | | | | | | | | | | | | | This patch refactors the sparc32 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file s_nearbyint{f}-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile (libm-sysdep_routines): Add s_nearbyintf-generic and s_nearbyint-generic. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint-generic.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf-generic.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint.S: Remove file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc32 rint{f} selector to CAdhemerval Zanella2017-12-017-30/+74
| | | | | | | | | | | | | | | | | | | | | This patch refactors the sparc32 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file s_rint{f}-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile (libm-sysdep_routines): Add s_rintf-generic and s_rint-generic. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rint-generic.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rint.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rintf-generic.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rintf.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rint.S: Remove file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rintf.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc32 llrint{f} selector to CAdhemerval Zanella2017-12-017-33/+73
| | | | | | | | | | | | | | | | | | | | | This patch refactors the sparc32 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file s_llrint{f}-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile (libm-sysdep_routines): Add s_llrintf-generic and s_llrint-generic. * sysdeps/sparc/sparcv9/fpu/multiarch/s_llrint-generic.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrint.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrintf-generic.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrintf.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrint.S: Remove file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrintf.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc32 fabs{f} selector to CAdhemerval Zanella2017-12-017-30/+74
| | | | | | | | | | | | | | | | | | | | | This patch refactors the sparc32 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file s_fabs{f}-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile (libm-sysdep_routines): Add s_fabsf-generic and s_fabs-generic. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs-generic.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf-generic.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S: Remove file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc32 copysign selector to CAdhemerval Zanella2017-12-017-36/+91
| | | | | | | | | | | | | | | | | | | | | | | | This patch refactors the sparc32 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file s_copysign{f}-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile (sysdep_calls): New rule. (sysdep_routines): Use sysdep_calls as base. (libm-sysdep_routines): Add generic rule for symbols shared with libc. Add s_copysign-generic and s_copysign-generic objects. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign-generic.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf-generic.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.S: Remove file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc64 __mpn_add_n selector to CAdhemerval Zanella2017-11-304-58/+32
| | | | | | | | | | | | | | | | This patch refactors the sparc64 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file add_n-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc64/multiarch/Makefile (sysdep_routines): Add add_n-generic. * sysdeps/sparc/sparc64/multiarch/add_n-generic.S: New file. * sysdeps/sparc/sparc64/multiarch/add_n.c: Likewise. * sysdeps/sparc/sparc64/multiarch/add_n.S: Remove file. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc64 __mpn_submul_1 selector to CAdhemerval Zanella2017-11-304-57/+32
| | | | | | | | | | | | | | | | This patch refactors the sparc64 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file submul_1-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc64/multiarch/Makefile (sysdep_routines): Add submul_1-generic. * sysdeps/sparc/sparc64/multiarch/submul_1-generic.S: New file. * sysdeps/sparc/sparc64/multiarch/submul_1.c: Likewise. * sysdeps/sparc/sparc64/multiarch/submul_1.S: Remove file. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc64 __mpn_addmul_1 selector to CAdhemerval Zanella2017-11-304-58/+32
| | | | | | | | | | | | | | | | This patch refactors the sparc64 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file addmul_1-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc64/multiarch/Makefile (sysdep_routines): Add addmul_1-generic. * sysdeps/sparc/sparc64/multiarch/addmul_1-generic.S: New file. * sysdeps/sparc/sparc64/multiarch/addmul_1.c: Likewise. * sysdeps/sparc/sparc64/multiarch/addmul_1.S: Remove file. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc64 __mpn_sub_n selector to CAdhemerval Zanella2017-11-304-57/+31
| | | | | | | | | | | | | | | | This patch refactors the sparc64 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file sub_n-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc64/multiarch/Makefile (sysdep_routines): Add sub_n-generic. * sysdeps/sparc/sparc64/multiarch/sub_n-generic.S: New file. * sysdeps/sparc/sparc64/multiarch/sub_n.c: Likewise. * sysdeps/sparc/sparc64/multiarch/sub_n.S: Remove file. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc64 __mpn_mul_1 selector to CAdhemerval Zanella2017-11-304-57/+32
| | | | | | | | | | | | | | | | This patch refactors the sparc64 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file mul_1-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc64/multiarch/Makefile (sysdep_routines): Add mul_1-generic. * sysdeps/sparc/sparc64/multiarch/mul_1-generic.S: New file. * sysdeps/sparc/sparc64/multiarch/mul_1.c: Likewise. * sysdeps/sparc/sparc64/multiarch/mul_1.S: Remove file. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Remove SPARC lllrint aliases.Joseph Myers2017-11-302-6/+0
| | | | | | | | | | | | | | | | | | | The sparc32/sparcv9/fpu/multiarch implementations of llrint / llrintf have aliases lllrint / lllrintf. No such function is exported from or used in libm and these aliases should not be there; I expect they arose accidentally in the course of converting a 64-bit implementation (where lrint and llrint can be aliases) to a 32-bit llrint implementation. This patch removes those spurious aliases. Tested (compilation only) with build-many-glibcs.py for sparcv9-linux-gnu. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrint.S (__lllrint): Remove alias. (lllrint): Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrintf.S (__lllrintf): Likewise. (lllrintf): Likewise.
* Use libm_alias_float for sparc.Joseph Myers2017-11-3025-27/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Continuing the preparation for additional _FloatN / _FloatNx function aliases, this patch makes sparc libm function implementations use libm_alias_float to define function aliases. Tested with build-many-glibcs.py for all its sparc configurations that installed stripped shared libraries are unchanged by the patch. * sysdeps/sparc/sparc32/fpu/s_copysignf.S: Include <libm-alias-float.h>. (copysignf): Define using libm_alias_float. * sysdeps/sparc/sparc32/fpu/s_fabsf.S: Include <libm-alias-float.h>. (fabsf): Define using libm_alias_float. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf.S: Include <libm-alias-float.h>. (copysignf): Define using libm_alias_float. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S: Include <libm-alias-float.h>. (fabsf): Define using libm_alias_float. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.c: Include <libm-alias-float.h>. (fdimf): Define using libm_alias_float. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf.c: Include <libm-alias-float.h>. (fmaf): Define using libm_alias_float. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrintf.S: Include <libm-alias-float.h>. (llrintf): Define using libm_alias_float. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf.S: Include <libm-alias-float.h>. (nearbyintf): Define using libm_alias_float. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rintf.S: Include <libm-alias-float.h>. (rintf): Define using libm_alias_float. * sysdeps/sparc/sparc32/sparcv9/fpu/s_llrintf.S: Include <libm-alias-float.h>. (llrintf): Define using libm_alias_float. * sysdeps/sparc/sparc32/sparcv9/fpu/s_lrintf.S: Include <libm-alias-float.h>. (lrintf): Define using libm_alias_float. * sysdeps/sparc/sparc32/sparcv9/fpu/s_nearbyintf.S: Include <libm-alias-float.h>. (nearbyintf): Define using libm_alias_float. * sysdeps/sparc/sparc32/sparcv9/fpu/s_rintf.S: Include <libm-alias-float.h>. (rintf): Define using libm_alias_float. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.c: Include <libm-alias-float.h>. (ceilf): Define using libm_alias_float. * sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.c: Include <libm-alias-float.h>. (floorf): Define using libm_alias_float. * sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf.c: Include <libm-alias-float.h>. (fmaf): Define using libm_alias_float. * sysdeps/sparc/sparc64/fpu/multiarch/s_lrintf.c: Include <libm-alias-float.h>. (lrintf): Define using libm_alias_float. (llrintf): Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf.c: Include <libm-alias-float.h>. (nearbyintf): Define using libm_alias_float. * sysdeps/sparc/sparc64/fpu/multiarch/s_rintf.c: Include <libm-alias-float.h>. (rintf): Define using libm_alias_float. * sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.c: Include <libm-alias-float.h>. (truncf): Define using libm_alias_float. * sysdeps/sparc/sparc64/fpu/s_copysignf.S: Include <libm-alias-float.h>. (copysignf): Define using libm_alias_float. * sysdeps/sparc/sparc64/fpu/s_fabsf.c: Include <libm-alias-float.h>. (fabsf): Define using libm_alias_float. * sysdeps/sparc/sparc64/fpu/s_lrintf.S: Include <libm-alias-float.h>. (lrintf): Define using libm_alias_float. (llrintf): Likewise. * sysdeps/sparc/sparc64/fpu/s_nearbyintf.S: Include <libm-alias-float.h>. (nearbyintf): Define using libm_alias_float. * sysdeps/sparc/sparc64/fpu/s_rintf.S: Include <libm-alias-float.h>. (rintf): Define using libm_alias_float.
* Use libm_alias_double for sparc.Joseph Myers2017-11-2925-72/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Continuing the preparation for additional _FloatN / _FloatNx function aliases, this patch makes sparc libm function implementations use libm_alias_double to define function aliases (with consequent simplification where compat symbol handling is now done by those macros rather than locally in architecture-specific code). Tested with build-many-glibcs.py for all its sparc configurations that installed stripped shared libraries are unchanged by the patch. * sysdeps/sparc/sparc32/fpu/s_copysign.S: Include <libm-alias-double.h>. (copysign): Define using libm_alias_double. * sysdeps/sparc/sparc32/fpu/s_fabs.S: Include <libm-alias-double.h>. (fabs): Define using libm_alias_double. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.S: Include <libm-alias-double.h>. (copysign): Define using libm_alias_double. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S: Include <libm-alias-double.h>. (fabs): Define using libm_alias_double. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.c: Include <libm-alias-double.h>. (fdim): Define using libm_alias_double. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c: Include <libm-alias-double.h>. (fma): Define using libm_alias_double. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrint.S: Include <libm-alias-double.h>. (llrint): Define using libm_alias_double. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint.S: Include <libm-alias-double.h>. (nearbyint): Define using libm_alias_double. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rint.S: Include <libm-alias-double.h>. (rint): Define using libm_alias_double. * sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S: Include <libm-alias-double.h>. (fabs): Define using libm_alias_double. * sysdeps/sparc/sparc32/sparcv9/fpu/s_llrint.S: Include <libm-alias-double.h>. (llrint): Define using libm_alias_double. * sysdeps/sparc/sparc32/sparcv9/fpu/s_nearbyint.S: Include <libm-alias-double.h>. (nearbyint): Define using libm_alias_double. * sysdeps/sparc/sparc32/sparcv9/fpu/s_rint.S: Include <libm-alias-double.h>. (rint): Define using libm_alias_double. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.c: Include <libm-alias-double.h>. (ceil): Define using libm_alias_double. * sysdeps/sparc/sparc64/fpu/multiarch/s_floor.c: Include <libm-alias-double.h>. (floor): Define using libm_alias_double. * sysdeps/sparc/sparc64/fpu/multiarch/s_fma.c: Include <libm-alias-double.h>. (fma): Define using libm_alias_double. * sysdeps/sparc/sparc64/fpu/multiarch/s_lrint.c: Include <libm-alias-double.h>. (lrint): Define using libm_alias_double. (llrint): Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint.c: Include <libm-alias-double.h>. (nearbyint): Define using libm_alias_double. * sysdeps/sparc/sparc64/fpu/multiarch/s_rint.c: Include <libm-alias-double.h>. (rint): Define using libm_alias_double. * sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.c: Include <libm-alias-double.h>. (trunc): Define using libm_alias_double. * sysdeps/sparc/sparc64/fpu/s_copysign.S: Include <libm-alias-double.h>. (copysign): Define using libm_alias_double. * sysdeps/sparc/sparc64/fpu/s_fabs.c: Include <libm-alias-double.h>. (fabs): Define using libm_alias_double. * sysdeps/sparc/sparc64/fpu/s_lrint.S: Include <libm-alias-double.h>. (lrint): Define using libm_alias_double. (llrint): Likewise. * sysdeps/sparc/sparc64/fpu/s_nearbyint.S: Include <libm-alias-double.h>. (nearbyint): Define using libm_alias_double. * sysdeps/sparc/sparc64/fpu/s_rint.S: Include <libm-alias-double.h>. (rint): Define using libm_alias_double.
* Fix missing sparcv9 --disable-multi-arch fabsl compat symbol (bug 22229).Joseph Myers2017-11-291-0/+4
| | | | | | | | | | | | | | | | | | The --disable-multi-arch case of sparcv9 libm is missing a fabsl compat symbol for when long double had the same ABI as double. This patch adds the missing compat symbol to this implementation. As my fix for other instances of this missing compat symbol postdates the last release, I'm considering this as being part of bug 22229 that was missing from my previous fix rather than as a separate issue, and so as not needing a new bug report in Bugzilla. Tested (compilation only) with build-many-glibcs.py for sparcv9-linux-gnu --disable-multi-arch. [BZ #22229] * sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S: Include <math_ldbl_opt.h>. (fabsl): Define as compat symbol at version GLIBC_2_0 for libm.
* sparc: refactor sparc64 rint{f} selector to CAdhemerval Zanella2017-11-297-24/+67
| | | | | | | | | | | | | | | | | | | | This patch refactors the sparc64 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file s_rint{f}-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc64/fpu/multiarch/Makefile (libm-sysdep_routines): Add s_rintf-generic and s_rint-generic objects. * sysdeps/sparc/sparc64/fpu/multiarch/s_rint-generic.S: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_rint.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_rintf-generic.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_rintf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_rint.S: Remove file. * sysdeps/sparc/sparc64/fpu/multiarch/s_rintf.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc64 lrint{f} selector to CAdhemerval Zanella2017-11-297-35/+92
| | | | | | | | | | | | | | | | | | | | This patch refactors the sparc64 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file s_lrint{f}-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc64/fpu/multiarch/Makefile (libm-sysdep_routines): Add s_lrint-generic and s_lrint-generic objects. * sysdeps/sparc/sparc64/fpu/multiarch/s_lrint-generic.S: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_lrint.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_lrintf-generic.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_lrintf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_lrint.S: Remove file. * sysdeps/sparc/sparc64/fpu/multiarch/s_lrintf.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc64 nearbyint{f} selector to CAdhemerval Zanella2017-11-297-24/+67
| | | | | | | | | | | | | | | | | | | | This patch refactors the sparc64 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file s_nearbyint{f}-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc64/fpu/multiarch/Makefile (libm-sysdep_routines): Add s_nearbyint-generic and s_nearbyintf-generic objects. * sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint-generic.S: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf-generic.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint.S: Remove file. * sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc64 finite{f} selector to CAdhemerval Zanella2017-11-297-30/+83
| | | | | | | | | | | | | | | | | | | This patch refactors the sparc64 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file s_finite{f}-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc64/fpu/multiarch/Makefile (sysdeps_calls): Add s_finitef-generic and s_finite-generic objects. * sysdeps/sparc/sparc64/fpu/multiarch/s_finite-generic.S: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_finite.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_finitef-generic.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_finitef.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_finite.S: Remove file. * sysdeps/sparc/sparc64/fpu/multiarch/s_finitef.S: Remove file. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc64 isinf{f} selector to CAdhemerval Zanella2017-11-297-32/+84
| | | | | | | | | | | | | | | | | | | This patch refactors the sparc64 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file s_isinf{f}-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc64/fpu/multiarch/Makefile (sysdeps_calls): Add isinff-generic and s_isinf-generic objects. * sysdeps/sparc/sparc64/fpu/multiarch/s_isinf-generic.S: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_isinf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_isinff-generic.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_isinff.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_isinf.S: Remove file. * sysdeps/sparc/sparc64/fpu/multiarch/s_isinff.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc64 isnan{f} selector to CAdhemerval Zanella2017-11-297-31/+83
| | | | | | | | | | | | | | | | | | | This patch refactors the sparc64 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file (s_isnan{f}-generic.S). Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc64/fpu/multiarch/Makefile (sysdeps_calls): Add s_isnanf-generic and s_isnan-generic objects. * sysdeps/sparc/sparc64/fpu/multiarch/s_isnan-generic.S: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_isnanf-generic.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_isnan.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_isnanf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_isnan.S: Remove file. * sysdeps/sparc/sparc64/fpu/multiarch/s_isnanf.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: refactor sparc64 signbit{f} selector to CAdhemerval Zanella2017-11-298-38/+88
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch refactors the sparc64 ifunc selector to a C implementation. Also, the generic symbol is moved to its own implementation file (s_signbit{f}-generic.S). It also simplifies the multiarch Makefile by moving the common objects from libm-sysdeps_routines and sysdeps_routines to a new sysdeps_call rule and including it where required with the correct prefix. Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * sysdeps/sparc/sparc-ifunc.h (sparc_libm_ifunc_redirected): New macro. * sysdeps/sparc/sparc64/fpu/multiarch/Makefile (sysdep_calls): New rule. (sysdep_routines): Use sysdep_calls as base. (libm-sysdep_routines): Add generic rule for symbols shared with libc. Add s_signbit-generic and s_signbitf-generic objects. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.c: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-generic.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf-generic.S: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.S: Remove file. * sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: Assume VIS3 supportAdhemerval Zanella2017-11-2931-229/+112
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch assumes VIS3 support by binutils, which is supported since version 2.22. This leads to some code simplification, mostly on multiarch build where there is only one variant instead of previously two (whether binutils supports VIS3 instructions or not). For multiarch files where HAVE_AS_VIS3_SUPPORT was checked and the default implementation was built with a different name, a new file with (implementation with -generic appended) is added. Checked on sparc64-linux-gnu and sparcv9-linux-gnu. * config.h.in (HAVE_AS_VIS3_SUPPORT): Remove check for VIS3 support. * sysdeps/sparc/configure.ac (HAVE_AS_VIS3_SUPPORT): Likewise. * sysdeps//sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.c: Likewise. * sysdeps//sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.c: Likewise. * sysdeps//sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c: Likewise. * sysdeps//sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floor.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_fma.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.c: Likewise. * sysdeps/sparc/sparc-ifunc.h [!HAVE_AS_VIS3_SUPPORT] (SPARC_ASM_VIS3_IFUNC, SPARC_ASM_VIS3_VIS2_IFUNC): Remove macros. * sysdeps/sparc/sparc32/sparcv9/Makefile [$(have-as-vis3) != yes] (ASFLAGS.o, ASFLAGS-.os, ASFLAGS-.op, ASFLAGS-.oS): Remove rules. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile ($(have-as-vis3) == yes): Remove conditional. * sysdeps/sparc/sparc64/Makefile (($(have-as-vis3) == yes)): Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-generic.c: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-generic.c: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma-generic.c: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf-generic.c: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-generic.c: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-generic.c: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_floor-generic.c: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-generic.c: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_fma-generic.c: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf-generic.c: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_trunc-generic.c: New file. * sysdeps/sparc/sparc64/fpu/multiarch/s_truncf-generic.c: New file. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: Implement memset/bzero ifunc selection in CAdhemerval Zanella2017-11-2811-130/+164
| | | | | | | | | | | | | | | | | | | | | | | | This patch refactor the SPARC64 ifunc selector to a C implementation. No functional change is expected, including ifunc resolution rules. Checked on sparc64-linux-gnu, sparcv9-linux-gnu and x86_64-linux-gnu. * sysdeps/sparc/sparc32/sparcv9/multiarch/Makefile [$(subdir) = string] (sysdep_routines): Add memset-ultra1. * sysdeps/sparc/sparc64/multiarch/Makefile [$(subdir) = string] (sysdep_routines): Add memset-ultra1. * sysdeps/sparc/sparc32/sparcv9/multiarch/memset-ultra1.S: New file. * sysdeps/sparc/sparc32/sparcv9/multiarch/memset.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/multiarch/bzero.c: Likewise. * sysdeps/sparc/sparc64/multiarch/ifunc-memset.h: Likewise. * sysdeps/sparc/sparc64/multiarch/memset-ultra1.S: Likewise. * sysdeps/sparc/sparc64/multiarch/memset.c: Likewise. * sysdeps/sparc/sparc64/multiarch/bzero.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/multiarch/memset.S: Remove file. * sysdeps/sparc/sparc64/multiarch/memset.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sparc: Implement memcpy/mempcpy ifunc selection in CAdhemerval Zanella2017-11-2812-173/+197
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch refactor the SPARC64 ifunc selector to a C implementation. The x86_64 implementation is used as default, which resulted in common definitions (ifunc-init.h) used on both architectures. No functional change is expected, including ifunc resolution rules. Checked on sparc64-linux-gnu, sparcv9-linux-gnu and x86_64-linux-gnu. * sysdeps/sparc/sparc32/sparcv9/multiarch/memcpy-ultra1.S: New file. * sysdeps/sparc/sparc32/sparcv9/multiarch/memcpy.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/multiarch/mempcpy.c: Likewise. * sysdeps/sparc/sparc64/multiarch/ifunc-memcpy.h: Likewise. * sysdeps/sparc/sparc64/multiarch/memcpy-ultra1.S: Likewise. * sysdeps/sparc/sparc64/multiarch/memcpy.c: Likewise. * sysdeps/sparc/sparc64/multiarch/mempcpy.c: Likewise. * sysdeps/sparc/sparc-ifunc.h (sparc_libc_ifunc_redirected): New macro. * sysdeps/sparc/sparc32/sparcv9/multiarch/Makefile [$(subdir) = string] (sysdep_routines): Add memcpy-ultra1. * sysdeps/sparc/sparc64/multiarch/Makefile [$(subdir) = string] (sysdep_routines): Add memcpy-ultra1. * sysdeps/sparc/sparc64/multiarch/memcpy.S: Remove file. * sysdeps/sparc/sparc32/sparcv9/multiarch/memcpy.S: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Remove unused sparc64/soft-fp libm function implementations.Joseph Myers2017-11-223-155/+0
| | | | | | | | | | | | | | sysdeps/sparc/sparc64/soft-fp has files s_frexpl.c, s_scalblnl.c and s_scalbnl.c that are never used because the ldbl-128 versions always come first in the sysdeps directory ordering. This patch removes the unused files. Tested with build-many-glibcs.py that installed stripped shared libraries are unchanged by this patch. * sysdeps/sparc/sparc64/soft-fp/s_frexpl.c: Remove file. * sysdeps/sparc/sparc64/soft-fp/s_scalblnl.c: Likewise. * sysdeps/sparc/sparc64/soft-fp/s_scalbnl.c: Likewise.
* nptl: Define __PTHREAD_MUTEX_{NUSERS_AFTER_KIND,USE_UNION}Adhemerval Zanella2017-11-071-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds two new internal defines to set the internal pthread_mutex_t layout required by the supported ABIS: 1. __PTHREAD_MUTEX_NUSERS_AFTER_KIND which control whether to define __nusers fields before or after __kind. The preferred value for is 0 for new ports and it sets __nusers before __kind. 2. __PTHREAD_MUTEX_USE_UNION which control whether internal __spins and __list members will be place inside an union for linuxthreads compatibility. The preferred value is 0 for ports and it sets to not use an union to define both fields. It fixes the wrong offsets value for __kind value on x86_64-linux-gnu-x32. Checked with a make check run-built-tests=no on all afected ABIs. [BZ #22298] * nptl/allocatestack.c (allocate_stack): Check if __PTHREAD_MUTEX_HAVE_PREV is non-zero, instead if __PTHREAD_MUTEX_HAVE_PREV is defined. * nptl/descr.h (pthread): Likewise. * nptl/nptl-init.c (__pthread_initialize_minimal_internal): Likewise. * nptl/pthread_create.c (START_THREAD_DEFN): Likewise. * sysdeps/nptl/fork.c (__libc_fork): Likewise. * sysdeps/nptl/pthread.h (PTHREAD_MUTEX_INITIALIZER): Likewise. * sysdeps/nptl/bits/thread-shared-types.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): New defines. (__pthread_internal_list): Check __PTHREAD_MUTEX_USE_UNION instead of __WORDSIZE for internal layout. (__pthread_mutex_s): Check __PTHREAD_MUTEX_NUSERS_AFTER_KIND instead of __WORDSIZE for internal __nusers layout and __PTHREAD_MUTEX_USE_UNION instead of __WORDSIZE whether to use an union for __spins and __list fields. (__PTHREAD_MUTEX_HAVE_PREV): Define also for __PTHREAD_MUTEX_USE_UNION case. * sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): New defines. * sysdeps/alpha/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): Likewise. * sysdeps/arm/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): Likewise. * sysdeps/hppa/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): Likewise. * sysdeps/ia64/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): Likewise. * sysdeps/m68k/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): Likewise. * sysdeps/microblaze/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): Likewise. * sysdeps/mips/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): Likewise. * sysdeps/nios2/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): Likewise. * sysdeps/powerpc/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): Likewise. * sysdeps/s390/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): Likewise. * sysdeps/sh/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): Likewise. * sysdeps/sparc/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): Likewise. * sysdeps/tile/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): Likewise. * sysdeps/x86/nptl/bits/pthreadtypes-arch.h (__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* nptl: Add tests for internal pthread_mutex_t offsetsAdhemerval Zanella2017-11-071-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a new build test to check for internal fields offsets for user visible internal field. Although currently the only field which is statically initialized to a non zero value is pthread_mutex_t.__data.__kind value, the tests also check the offset of __kind, __spins, __elision (if supported), and __list internal member. A internal header (pthread-offset.h) is added to each major ABI with the reference value. Checked on x86_64-linux-gnu and with a build check for all affected ABIs (aarch64-linux-gnu, alpha-linux-gnu, arm-linux-gnueabihf, hppa-linux-gnu, i686-linux-gnu, ia64-linux-gnu, m68k-linux-gnu, microblaze-linux-gnu, mips64-linux-gnu, mips64-n32-linux-gnu, mips-linux-gnu, powerpc64le-linux-gnu, powerpc-linux-gnu, s390-linux-gnu, s390x-linux-gnu, sh4-linux-gnu, sparc64-linux-gnu, sparcv9-linux-gnu, tilegx-linux-gnu, tilegx-linux-gnu-x32, tilepro-linux-gnu, x86_64-linux-gnu, and x86_64-linux-x32). * nptl/pthreadP.h (ASSERT_PTHREAD_STRING, ASSERT_PTHREAD_INTERNAL_OFFSET): New macro. * nptl/pthread_mutex_init.c (__pthread_mutex_init): Add build time checks for internal pthread_mutex_t offsets. * sysdeps/aarch64/nptl/pthread-offsets.h (__PTHREAD_MUTEX_NUSERS_OFFSET, __PTHREAD_MUTEX_KIND_OFFSET, __PTHREAD_MUTEX_SPINS_OFFSET, __PTHREAD_MUTEX_ELISION_OFFSET, __PTHREAD_MUTEX_LIST_OFFSET): New macro. * sysdeps/alpha/nptl/pthread-offsets.h: Likewise. * sysdeps/arm/nptl/pthread-offsets.h: Likewise. * sysdeps/hppa/nptl/pthread-offsets.h: Likewise. * sysdeps/i386/nptl/pthread-offsets.h: Likewise. * sysdeps/ia64/nptl/pthread-offsets.h: Likewise. * sysdeps/m68k/nptl/pthread-offsets.h: Likewise. * sysdeps/microblaze/nptl/pthread-offsets.h: Likewise. * sysdeps/mips/nptl/pthread-offsets.h: Likewise. * sysdeps/nios2/nptl/pthread-offsets.h: Likewise. * sysdeps/powerpc/nptl/pthread-offsets.h: Likewise. * sysdeps/s390/nptl/pthread-offsets.h: Likewise. * sysdeps/sh/nptl/pthread-offsets.h: Likewise. * sysdeps/sparc/nptl/pthread-offsets.h: Likewise. * sysdeps/tile/nptl/pthread-offsets.h: Likewise. * sysdeps/x86_64/nptl/pthread-offsets.h: Likewise. Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Fix TLS relocations against local symbols on powerpc32, sparc32 and sparc64James Clarke2017-10-132-0/+2
| | | | | | | | | | | | | | | | | | | | | Normally, TLS relocations against local symbols are optimised by the linker to be absolute. However, gold does not do this, and so it is possible to end up with, for example, R_SPARC_TLS_DTPMOD64 referring to a local symbol. Since sym_map is left as null in elf_machine_rela for the special local symbol case, the relocation handling thinks it has nothing to do, and so the module gets left as 0. Havoc then ensues when the variable in question is accessed. Before this fix, the main_local_gold program would receive a SIGBUS on sparc64, and SIGSEGV on powerpc32. With this fix applied, that test now passes like the rest of them. * sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela): Assign sym_map to be map for local symbols, as TLS relocations use sym_map to determine whether the symbol is defined and to extract the TLS information. * sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela): Likewise. * sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Likewise.
* Use libm_alias_ldouble for SPARC fabsl.Joseph Myers2017-10-132-2/+5
| | | | | | | | | | | | | | | | This patch makes SPARC fabsl implementation use libm_alias_ldouble, to prepare them for also defining _Float128 function aliases. Tested with build-many-glibcs.py that installed stripped shared libraries (sparc64-linux-gnu and sparcv9-linux-gnu) are unchanged by the patch. * sysdeps/sparc/sparc32/fpu/s_fabsl.c: Include <libm-alias-ldouble.h>. (fabsl): Define using libm_alias_ldouble. * sysdeps/sparc/sparc64/fpu/s_fabsl.c: Include <libm-alias-ldouble.h>. (fabsl): Define using libm_alias_ldouble.
* Use libm_alias_double for dbl-64 fma.Joseph Myers2017-10-041-4/+0
| | | | | | | | | | | | | | | | | | | This patch makes dbl-64 fma use libm_alias_double. The ldbl-opt version is removed. The sparc32 version no longer needs to handle compat symbols, while alpha needs a new wrapper to avoid getting the ldbl-128 version (where ldbl-opt is earlier in the list of sysdeps directories, so previously fma came from there). Tested for x86_64, and tested with build-many-glibcs.py that installed stripped shared libraries are unchanged by the patch. * sysdeps/ieee754/dbl-64/s_fma.c: Include <libm-alias-double.h>. (fma): Define using libm_alias_double. * sysdeps/ieee754/ldbl-opt/s_fma.c: Remove file. * sysdeps/sparc/sparc32/fpu/s_fma.c: Do not include <math_ldbl_opt.h>. (fmal): Do not define as compat symbol here. * sysdeps/alpha/fpu/s_fma.c: New file.
* Restore sparc32 copysignl, fabsl, fmal compat symbols (bug 22229).Joseph Myers2017-10-046-1/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 32-bit SPARC libm should have compat symbols for copysignl (GLIBC_2.0), fabsl (GLIBC_2.0), fmal (GLIBC_2.1), pointing to the double functions; they were present in glibc 2.8, for example, but are now missing, probably when optimized SPARC function implementations were added without appropriate compat symbol handling. The same applies to copysignl in libc. This patch restores those compat symbols. Tested with build-many-glibcs.py for sparcv9-linux-gnu. [BZ #22229] * sysdeps/sparc/sparc32/fpu/s_copysign.S: Include <math_ldbl_opt.h> (copysignl): Define as compat symbol at version GLIBC_2_0 for libm and libc. * sysdeps/sparc/sparc32/fpu/s_fabs.S: Include <math_ldbl_opt.h>. (fabsl): Define as compat symbol at version GLIBC_2_0 for libm. * sysdeps/sparc/sparc32/fpu/s_fma.c: Include <math_ldbl_opt.h>. (fmal): Define as compat symbol at version GLIBC_2_1 for libm. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.S: Include <math_ldbl_opt.h> (copysignl): Define as compat symbol at version GLIBC_2_0 for libm and libc. (compat_symbol): Undefine and redefine. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S: Include <math_ldbl_opt.h> (fabsl): Define as compat symbol at version GLIBC_2_0 for libm. (compat_symbol): Undefine and redefine. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c [HAVE_AS_VIS3_SUPPORT]: Include <math_ldbl_opt.h>. [HAVE_AS_VIS3_SUPPORT] (fmal): Define as compat symbol at version GLIBC_2_1 for libm. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Add GLIBC_2.0 copysignl symbol. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Add GLIBC_2.0 copysignl and fabsl and GLIBC_2.1 fmal symbols.
* Remove ancient __signbit inlinesWilco Dijkstra2017-09-281-54/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | Remove __signbit inlines from mathinline.h. Math.h already uses the builtin when supported, so additional inlines are only used on pre 4.0 GCCs. Similarly remove ancient copysign and fabs inlines. * sysdeps/alpha/fpu/bits/mathinline.h: Delete file. * sysdeps/ia64/fpu/bits/mathinline.h: Delete file. * sysdeps/m68k/coldfire/fpu/bits/mathinline.h: Delete file. * sysdeps/m68k/m680x0/fpu/bits/mathinline.h: (__signbitf): Remove. (__signbit): Remove. (__signbitl): Remove. * sysdeps/powerpc/bits/mathinline.h (__signbitf): Remove. (__signbit): Remove. (__signbitl): Remove. * sysdeps/s390/fpu/bits/mathinline.h: (__signbitf): Remove. (__signbit): Remove. (__signbitl): Remove * sysdeps/sparc/fpu/bits/mathinline.h (__signbitf): Remove. (__signbit): Remove. (__signbitl): Remove. * sysdeps/tile/bits/mathinline.h: Delete file. * sysdeps/x86/fpu/bits/mathinline.h (__signbitf): Remove. (__signbit): Remove. (__signbitl): Remove.
* Simplify C99 isgreater macrosWilco Dijkstra2017-09-281-99/+0
| | | | | | | | | | | | | | | | Simplify the C99 isgreater macros. Although some support was added in GCC 2.97, not all targets added support until GCC 3.1. Therefore only use the builtins in math.h from GCC 3.1 onwards, and defer to generic macros otherwise. Improve the generic isunordered macro to use compares rather than call fpclassify twice - this is not only faster but also correct for signaling NaNs. * math/math.h: Improve handling of C99 isgreater macros. * sysdeps/alpha/fpu/bits/mathinline.h: Remove isgreater macros. * sysdeps/m68k/m680x0/fpu/bits/mathinline.h: Likewise. * sysdeps/powerpc/bits/mathinline.h: Likewise. * sysdeps/sparc/fpu/bits/mathinline.h: Likewise. * sysdeps/x86/fpu/bits/mathinline.h: Likewise.
* Use generic __ifunc for SPARC.Joseph Myers2017-09-261-8/+2
| | | | | | | | | | | | | | | | | | | | | glibc fails to build with GCC mainline for SPARC because of the use of manually-created IFUNCs, which fail the tests of compatibility of function alias types. This patch changes sparc-ifunc.h to use the generic __ifunc in defining sparc_libm_ifunc. The generic __ifunc can use the GCC ifunc attribute when available, so ensuring type-correctness as well as better debug info than when setting symbol types in asm statements. Note that for this to fix the build with GCC mainline the GCC patch <https://gcc.gnu.org/ml/gcc-patches/2017-09/msg01779.html>, or building GCC with --enable-gnu-indirect-function, is also needed. Tested (compilation only) with build-many-glibcs.py (sparc64-linux-gnu and sparcv9-linux-gnu, with GCC 8 with the above patch, and also with GCC 7). * sysdeps/sparc/sparc-ifunc.h [!__ASSEMBLER__] (sparc_libm_ifunc): Define using __ifunc.
* Enable unwind info in libc-start.c and backtrace.cWilco Dijkstra2017-09-191-4/+0
| | | | | | | | | | | | | | | | | Add unwind info to __libc_start_main so that unwinding continues one extra level to _start. Similarly add unwind info to backtrace. Given many targets require this, do this in a general way. * csu/Makefile: Add -funwind-tables to libc-start.c. * debug/Makefile: Add -funwind-tables to backtrace.c. * sysdeps/aarch64/Makefile: Remove CFLAGS-backtrace.c. * sysdeps/arm/Makefile: Likewise. * sysdeps/i386/Makefile: Likewise. * sysdeps/m68k/Makefile: Likewise. * sysdeps/mips/Makefile: Likewise. * sysdeps/nios2/Makefile: Likewise. * sysdeps/sh/Makefile: Likewise. * sysdeps/sparc/Makefile: Likewise.
* Define and use libm_alias_double.Joseph Myers2017-09-132-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Continuing the process of setting up common macros for libm function aliases, with a view to using them to define _FloatN / _FloatNx aliases in future, this patch adds a libm_alias_double macro and uses it in the type-generic templates. This macro handles defining aliases for double, and for long double in the NO_LONG_DOUBLE case. It also handles defining compat symbols for long double = double for architectures that changed their long double format. By so doing, it eliminates the need for the M_LIBM_NEED_COMPAT and declare_mgen_libm_compat macros; the single declare_mgen_alias call in each template now suffices to define all required compat symbols. When used for more double functions (not based on type-generic templates), I expect it will eliminate the need for most ldbl-opt wrappers for such functions. A few special cases are needed. __clog10l is a public symbol (for historical reasons) so needs to be given appropriate compat versions for architectures that changed their long double format, but is not defined as an alias using the normal macros since __clog10* are *not* public symbols for _FloatN / _FloatNx types. For scalbn, scalbln and log1p, the changes adding errno setting support for those functions left compat symbols pointing directly to the non-errno-setting implementations. There is no requirement for the compat symbols not to set errno; that just made for the simplest patches at that time. Now, with these common macros, it's natural to redirect the compat symbols to the errno-setting wrappers, which I intend to do in a separate patch. Tested for x86_64, and with build-many-glibcs.py. For ldbl-opt platforms the stripped libm.so binaries are changed (disassembly unchanged) because the details of how the clog10l compat symbol is created mean it ceases to be weak as it was before; for other platforms, stripped libm.so binaries are unchanged. 2017-09-13 Joseph Myers <joseph@codesourcery.com> * sysdeps/generic/libm-alias-double.h: New file. * sysdeps/ieee754/ldbl-opt/libm-alias-double.h: Likewise. * sysdeps/generic/math-type-macros-double.h: Include <libm-alias-double.h>. [declare_mgen_alias] (declare_mgen_alias): Define to use libm_alias_double. * sysdeps/generic/math-type-macros.h [!M_LIBM_NEED_COMPAT] (M_LIBM_NEED_COMPAT): Remove macro. [!M_LIBM_NEED_COMPAT] (declare_mgen_libm_compat): Likewise. * sysdeps/ieee754/ldbl-opt/math-type-macros-double.h: Remove. * math/cabs_template.c [M_LIBM_NEED_COMPAT]: Remove conditional code. * math/carg_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/cimag_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/conj_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/creal_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_cacos_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_cacosh_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_casin_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_casinh_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_catan_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_catanh_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_ccos_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_ccosh_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_cexp_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_clog10_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_clog_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_cpow_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_cproj_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_csin_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_csinh_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_csqrt_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_ctan_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_ctanh_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_fdim_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_fmax_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_fmin_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/s_nan_template.c [M_LIBM_NEED_COMPAT]: Likewise. * math/w_ilogb_template.c [M_LIBM_NEED_COMPAT]: Likewise. * sysdeps/ieee754/ldbl-opt/s_clog10.c: New file. * sysdeps/ieee754/ldbl-opt/s_ldexp.c (M_LIBM_NEED_COMPAT): Remove macro. (declare_mgen_alias): New macro. * sysdeps/ieee754/ldbl-opt/w_log1p.c: New file. * sysdeps/ieee754/ldbl-opt/w_scalbln.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.c (M_LIBM_NEED_COMPAT): Remove macro. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.c [HAVE_AS_VIS3_SUPPORT]: Include <math_ldbl_opt.h> and <first-versions.h>. [HAVE_AS_VIS3_SUPPORT && LONG_DOUBLE_COMPAT (libm, FIRST_VERSION_libm_fdiml)]: Define fdiml as compat symbol.
* Obsolete pow10 functions.Joseph Myers2017-09-011-30/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch obsoletes the pow10, pow10f and pow10l functions (makes them into compat symbols, not available for new ports or static linking). The exp10 names for these functions are standardized (in TS 18661-4) and were added in the same glibc version (2.1) as pow10 so source code can change to use them without any loss of portability. Since pow10 is deliberately not provided for _Float128, only exp10, this slightly simplifies moving to the new wrapper templates in the !LIBM_SVID_COMPAT case, by avoiding needing to arrange for pow10, pow10f and pow10l to be defined by those templates. Tested for x86_64, and with build-many-glibcs.py. * manual/math.texi (pow10): Do not document. (pow10f): Likewise. (pow10l): Likewise. * math/bits/mathcalls.h [__USE_GNU] (pow10): Do not declare. * math/bits/math-finite.h [__USE_GNU] (pow10): Likewise. * math/libm-test-exp10.inc (pow10_test): Remove. (do_test): Do not call pow10. * math/w_exp10_compat.c (pow10): Make into compat symbol. [NO_LONG_DOUBLE] (pow10l): Likewise. * math/w_exp10f_compat.c (pow10f): Likewise. * math/w_exp10l_compat.c (pow10l): Likewise. * sysdeps/ia64/fpu/e_exp10.S: Include <shlib-compat.h>. (pow10): Make into compat symbol. * sysdeps/ia64/fpu/e_exp10f.S: Include <shlib-compat.h>. (pow10f): Make into compat symbol. * sysdeps/ia64/fpu/e_exp10l.S: Include <shlib-compat.h>. (pow10l): Make into compat symbol. * sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Remove pow10. (CFLAGS-nldbl-pow10.c): Remove variable.. * sysdeps/ieee754/ldbl-opt/nldbl-pow10.c: Remove file. * sysdeps/ieee754/ldbl-opt/w_exp10_compat.c (pow10l): Condition on [SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27)]. * sysdeps/ieee754/ldbl-opt/w_exp10l_compat.c (compat_symbol): Undefine and redefine. (pow10l): Make into compat symbol. * sysdeps/aarch64/libm-test-ulps: Remove pow10 ulps. * sysdeps/alpha/fpu/libm-test-ulps: Likewise. * sysdeps/arm/libm-test-ulps: Likewise. * sysdeps/hppa/fpu/libm-test-ulps: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Likewise. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise. * sysdeps/microblaze/libm-test-ulps: Likewise. * sysdeps/mips/mips32/libm-test-ulps: Likewise. * sysdeps/mips/mips64/libm-test-ulps: Likewise. * sysdeps/nios2/libm-test-ulps: Likewise. * sysdeps/powerpc/fpu/libm-test-ulps: Likewise. * sysdeps/powerpc/nofpu/libm-test-ulps: Likewise. * sysdeps/s390/fpu/libm-test-ulps: Likewise. * sysdeps/sh/libm-test-ulps: Likewise. * sysdeps/sparc/fpu/libm-test-ulps: Likewise. * sysdeps/tile/libm-test-ulps: Likewise. * sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
* Simplify HUGE_VAL definitions.Joseph Myers2017-08-311-47/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are various bits/huge_val*.h headers to define HUGE_VAL and related macros. All of them use __builtin_huge_val etc. for GCC 3.3 and later. Then there are various fallbacks, such as using a large hex float constant for GCC 2.96 and later, or using unions (with or without compound literals) to construct the bytes of an infinity, with this last being the reason for having architecture-specific files. Supporting TS 18661-3 _FloatN / _FloatNx types that have the same format as other supported types will mean adding more such macros; needing to add more headers for them doesn't seem very desirable. The fallbacks based on bytes of the representation of an infinity do not meet the standard requirements for a constant expression. At least one of them is also wrong: sysdeps/sh/bits/huge_val.h is producing a mixed-endian representation which does not match what GCC does. This patch eliminates all those headers, defining the macros directly in math.h. For GCC 3.3 and later, the built-in functions are used as now. For other compilers, a large constant 1e10000 (with appropriate suffix) is used. This is like the fallback for GCC 2.96 and later, but without using hex floats (which have no apparent advantage here). It is unambiguously valid standard C for all floating-point formats with infinities, which covers all formats supported by glibc or likely to be supported by glibc in future (C90 DR#025 said that if a floating-point format represents infinities, all real values lie within the range of representable values, so the constraints for constant expressions are not violated), but may generate compiler warnings and wouldn't handle the TS 18661-1 FENV_ROUND pragma correctly. If someone is actually using a compiler with glibc that does not claim to be GCC 3.3 or later, but which has a better way to define the HUGE_VAL macros, we can always add compiler conditionals in with alternative definitions. I intend to make similar changes for INF and NAN. The SNAN macros already just use __builtin_nans etc. with no fallback for compilers not claiming to be GCC 3.3 or later. Tested for x86_64. * math/math.h: Do not include bits/huge_val.h, bits/huge_valf.h, bits/huge_vall.h or bits/huge_val_flt128.h. (HUGE_VAL): Define directly here. [__USE_ISOC99] (HUGE_VALF): Likewise. [__USE_ISOC99] (HUGE_VALL): Likewise. [__HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT)] (HUGE_VAL_F128): Likewise. * math/Makefile (headers): Remove bits/huge_val.h, bits/huge_valf.h, bits/huge_vall.h and bits/huge_val_flt128.h. * bits/huge_val.h: Remove. * bits/huge_val_flt128.h: Likewise. * bits/huge_valf.h: Likewise. * bits/huge_vall.h: Likewise. * sysdeps/ia64/bits/huge_vall.h: Likewise. * sysdeps/ieee754/bits/huge_val.h: Likewise. * sysdeps/ieee754/bits/huge_valf.h: Likewise. * sysdeps/m68k/m680x0/bits/huge_vall.h: Likewise. * sysdeps/sh/bits/huge_val.h: Likewise. * sysdeps/sparc/bits/huge_vall.h: Likewise. * sysdeps/x86/bits/huge_vall.h: Likewise.
* gmon: Remove internal_function attributeFlorian Weimer2017-08-311-2/+2
|
* Remove SPARC sqrt wrappers (bug 21973).Joseph Myers2017-08-2111-430/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes the SPARC-specific wrappers for sqrt and sqrtf. These wrappers, by adding architecture-specific uses of _LIB_VERSION and __kernel_standard, unnecessarily complicate cleanups of libm error handling. They also do not serve a useful optimization purpose. GCC knows about sqrt as a built-in function, and can generate direct calls to a hardware square root instruction, either on its own, in the -fno-math-errno case, or together with an inline check for the argument being negative and a call to the out-of-line sqrt function for error handling only in that case (and has been able to do so for a long time). Thus in practice the wrapper will only be called only in the case of negative arguments, which is not a case it is useful to optimize for. The removal of the wrappers also uncovers, and fixes, an old bug. 32-bit SPARC libm used (checked with glibc 2.8 binaries) to have a sqrtl compat symbol, version GLIBC_2.0, for old binaries when sqrtl was an alias of sqrt (I don't have pre-glibc-2.4 binaries for SPARC to hand to check for the sqrtl symbol in those). This disappeared, probably with: commit 8847f0377003fbfe9cbe951ce9f8717d74f26247 Author: David S. Miller <davem@davemloft.net> Date: Tue Feb 28 22:37:58 2012 -0800 Add sparc optimized sqrt{,f}. Removing the wrappers brings back the generic ldbl-opt logic for creating such compat symbols, and so restores the compat symbol that should be there. This could of course also be fixed in the wrappers - but as noted above, the wrappers are optimizing a case it's not useful to optimize, so the bug of the missing compat symbol serves to illustrate the risks involved with the extra complexity of architecture-specific function versions where not needed. Tested with build-many-glibcs.py. [BZ #21973] * sysdeps/sparc/sparc32/fpu/w_sqrt_compat.S: Remove file. * sysdeps/sparc/sparc32/fpu/w_sqrtf_compat.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/w_sqrt_compat-vis3.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/w_sqrt_compat.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/w_sqrtf_compat-vis3.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/w_sqrtf_compat.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/w_sqrt_compat.S : Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/w_sqrtf_compat.S: Likewise. * sysdeps/sparc/sparc64/fpu/w_sqrt_compat.S: Likewise. * sysdeps/sparc/sparc64/fpu/w_sqrtf_compat.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Add GLIBC_2.0 sqrtl symbol.
* Obsolete matherr, _LIB_VERSION, libieee.a.Joseph Myers2017-08-218-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch obsoletes support for SVID libm error handling (the system where a user-defined function matherr is called on a libm function error; only enabled if you also set _LIB_VERSION = _SVID_ or _LIB_VERSION = _XOPEN_) and the use of the _LIB_VERSION global variable to control libm error handling. matherr and _LIB_VERSION are made into compat symbols, not supported for new ports or for static linking. The libieee.a object file (which sets _LIB_VERSION = _IEEE_, so disabling errno setting for some functions) is also removed, and all the related definitions are removed from math.h. The manual already recommends against using matherr, and it's already not supported for _Float128 functions (those use new wrappers that don't support matherr, only errno) - this patch means that it becomes possible to e.g. add sinf32 as an alias to sinf without that resulting in undesired matherr support in sinf32 for existing glibc ports. matherr support is not part of any standard supported by glibc (it was removed in XPG4). Because matherr is a function to be defined by the user, of course user programs defining such a function will still continue to link; it just quietly won't be used. If they try to write to the library's copy of _LIB_VERSION to enable SVID error handling, however, they will get a link error (but if they define their own _LIB_VERSION variable, they won't). I expect the most likely case of build failures from this patch to be programs with unconditional cargo-culted uses of -lieee (based on a notion of "I want IEEE floating point", not any actual requirement for that library). Ideally, the new-port-or-static-linking case would use the new wrappers used for _Float128. This is not implemented in this patch, because of the complication of architecture-specific (powerpc32 and sparc) sqrt wrappers that use _LIB_VERSION and __kernel_standard directly. Thus, the old wrappers and __kernel_standard are still built unconditionally, and _LIB_VERSION still exists in static libm. But when the old wrappers and __kernel_standard are built in the non-compat case, _LIB_VERSION and matherr are defined as macros so code to support those features isn't actually built into static libm or new ports' shared libm after this patch. I intend to move to the new wrappers for static libm and new ports in followup patches. I believe the sqrt wrappers for powerpc32 and sparc can reasonably be removed. GCC already optimizes the normal case of sqrt by generating code that uses a hardware instruction and only calls the sqrt function if the argument was negative (if -fno-math-errno, of course, it just uses the hardware instruction without any check for negative argument being needed). Thus those wrappers will only actually get called in the case of negative arguments, which is not a case it makes sense to optimize for. But even without removing the powerpc32 and sparc wrappers it should still be possible to move to the new wrappers for static libm and new ports, just without having those dubious architecture-specific optimizations in static libm. Everything said about matherr equally applies to matherrf and matherrl (IA64-specific, undocumented), except that the structure of IA64 libm means it won't be converted to using the new wrappers (it doesn't use the old ones either, but its own error-handling code instead). As with other tests of compat symbols, I expect test-matherr and test-matherr-2 to need to become appropriately conditional once we have a system for disabling such tests for ports too new to have the relevant symbols. Tested for x86_64 and x86, and with build-many-glibcs.py. * math/math.h [__USE_MISC] (_LIB_VERSION_TYPE): Remove. [__USE_MISC] (_LIB_VERSION): Likewise. [__USE_MISC] (struct exception): Likewise. [__USE_MISC] (matherr): Likewise. [__USE_MISC] (DOMAIN): Likewise. [__USE_MISC] (SING): Likewise. [__USE_MISC] (OVERFLOW): Likewise. [__USE_MISC] (UNDERFLOW): Likewise. [__USE_MISC] (TLOSS): Likewise. [__USE_MISC] (PLOSS): Likewise. [__USE_MISC] (HUGE): Likewise. [__USE_XOPEN] (MAXFLOAT): Define even if [__USE_MISC]. * math/math-svid-compat.h: New file. * conform/linknamespace.pl (@whitelist): Remove matherr, matherrf and matherrl. * include/math.h [!_ISOMAC] (__matherr): Remove. * manual/arith.texi (FP Exceptions): Do not document matherr. * math/Makefile (tests): Change test-matherr to test-matherr-3. (tests-internal): New variable. (install-lib): Do not add libieee.a. (non-lib.a): Likewise. (extra-objs): Do not add libieee.a and ieee-math.o. (CPPFLAGS-s_lib_version.c): Remove variable. ($(objpfx)libieee.a): Remove rule. ($(addprefix $(objpfx), $(tests-internal)): Depend on $(libm). * math/ieee-math.c: Remove. * math/libm-test-support.c (matherr): Remove. * math/test-matherr.c: Use <support/test-driver.c>. Add copyright and license notices. Include <math-svid-compat.h> and <shlib-compat.h>. (matherr): Undefine as macro. Use compat_symbol_reference. (_LIB_VERSION): Likewise. * math/test-matherr-2.c: New file. * math/test-matherr-3.c: Likewise. * sysdeps/generic/math_private.h (__kernel_standard): Remove declaration. (__kernel_standard_f): Likewise. (__kernel_standard_l): Likewise. * sysdeps/ieee754/s_lib_version.c: Do not include <math.h> or <math_private.h>. Include <math-svid-compat.h>. (_LIB_VERSION): Undefine as macro. (_LIB_VERSION_INTERNAL): Always initialize to _POSIX_. Define only if [LIBM_SVID_COMPAT || !defined SHARED]. If [LIBM_SVID_COMPAT], use compat_symbol. * sysdeps/ieee754/s_matherr.c: Do not include <math.h> or <math_private.h>. Include <math-svid-compat.h>. (matherr): Undefine as macro. (__matherr): Define only if [LIBM_SVID_COMPAT]. Use compat_symbol. * sysdeps/ia64/fpu/libm_error.c: Include <math-svid-compat.h>. [_LIBC && LIBM_SVID_COMPAT] (matherrf): Use compat_symbol_reference. [_LIBC && LIBM_SVID_COMPAT] (matherrl): Likewise. [_LIBC && !LIBM_SVID_COMPAT] (matherrf): Define as macro. [_LIBC && !LIBM_SVID_COMPAT] (matherrl): Likewise. * sysdeps/ia64/fpu/libm_support.h: Include <math-svid-compat.h>. (MATHERR_D): Remove declaration. [!_LIBC] (_LIB_VERSION_TYPE): Likewise [!LIBM_BUILD] (_LIB_VERSIONIMF): Likewise. [LIBM_BUILD] (pmatherrf): Likewise. [LIBM_BUILD] (pmatherr): Likewise. [LIBM_BUILD] (pmatherrl): Likewise. (DOMAIN): Likewise. (SING): Likewise. (OVERFLOW): Likewise. (UNDERFLOW): Likewise. (TLOSS): Likewise. (PLOSS): Likewise. * sysdeps/ia64/fpu/s_matherrf.c: Include <math-svid-compat.h>. (__matherrf): Define only if [LIBM_SVID_COMPAT]. Use compat_symbol. * sysdeps/ia64/fpu/s_matherrl.c: Include <math-svid-compat.h>. (__matherrl): Define only if [LIBM_SVID_COMPAT]. Use compat_symbol. * math/lgamma-compat.h: Include <math-svid-compat.h>. * math/w_acos_compat.c: Likewise. * math/w_acosf_compat.c: Likewise. * math/w_acosh_compat.c: Likewise. * math/w_acoshf_compat.c: Likewise. * math/w_acoshl_compat.c: Likewise. * math/w_acosl_compat.c: Likewise. * math/w_asin_compat.c: Likewise. * math/w_asinf_compat.c: Likewise. * math/w_asinl_compat.c: Likewise. * math/w_atan2_compat.c: Likewise. * math/w_atan2f_compat.c: Likewise. * math/w_atan2l_compat.c: Likewise. * math/w_atanh_compat.c: Likewise. * math/w_atanhf_compat.c: Likewise. * math/w_atanhl_compat.c: Likewise. * math/w_cosh_compat.c: Likewise. * math/w_coshf_compat.c: Likewise. * math/w_coshl_compat.c: Likewise. * math/w_exp10_compat.c: Likewise. * math/w_exp10f_compat.c: Likewise. * math/w_exp10l_compat.c: Likewise. * math/w_exp2_compat.c: Likewise. * math/w_exp2f_compat.c: Likewise. * math/w_exp2l_compat.c: Likewise. * math/w_fmod_compat.c: Likewise. * math/w_fmodf_compat.c: Likewise. * math/w_fmodl_compat.c: Likewise. * math/w_hypot_compat.c: Likewise. * math/w_hypotf_compat.c: Likewise. * math/w_hypotl_compat.c: Likewise. * math/w_j0_compat.c: Likewise. * math/w_j0f_compat.c: Likewise. * math/w_j0l_compat.c: Likewise. * math/w_j1_compat.c: Likewise. * math/w_j1f_compat.c: Likewise. * math/w_j1l_compat.c: Likewise. * math/w_jn_compat.c: Likewise. * math/w_jnf_compat.c: Likewise. * math/w_jnl_compat.c: Likewise. * math/w_lgamma_main.c: Likewise. * math/w_lgamma_r_compat.c: Likewise. * math/w_lgammaf_main.c: Likewise. * math/w_lgammaf_r_compat.c: Likewise. * math/w_lgammal_main.c: Likewise. * math/w_lgammal_r_compat.c: Likewise. * math/w_log10_compat.c: Likewise. * math/w_log10f_compat.c: Likewise. * math/w_log10l_compat.c: Likewise. * math/w_log2_compat.c: Likewise. * math/w_log2f_compat.c: Likewise. * math/w_log2l_compat.c: Likewise. * math/w_log_compat.c: Likewise. * math/w_logf_compat.c: Likewise. * math/w_logl_compat.c: Likewise. * math/w_pow_compat.c: Likewise. * math/w_powf_compat.c: Likewise. * math/w_powl_compat.c: Likewise. * math/w_remainder_compat.c: Likewise. * math/w_remainderf_compat.c: Likewise. * math/w_remainderl_compat.c: Likewise. * math/w_scalb_compat.c: Likewise. * math/w_scalbf_compat.c: Likewise. * math/w_scalbl_compat.c: Likewise. * math/w_sinh_compat.c: Likewise. * math/w_sinhf_compat.c: Likewise. * math/w_sinhl_compat.c: Likewise. * math/w_sqrt_compat.c: Likewise. * math/w_sqrtf_compat.c: Likewise. * math/w_sqrtl_compat.c: Likewise. * math/w_tgamma_compat.c: Likewise. * math/w_tgammaf_compat.c: Likewise. * math/w_tgammal_compat.c: Likewise. * sysdeps/ieee754/dbl-64/w_exp_compat.c: Likewise. * sysdeps/ieee754/flt-32/w_expf_compat.c: Likewise. * sysdeps/ieee754/k_standard.c: Likewise. * sysdeps/ieee754/k_standardf.c: Likewise. * sysdeps/ieee754/k_standardl.c: Likewise. * sysdeps/ieee754/ldbl-128/w_expl_compat.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/w_expl_compat.c: Likewise. * sysdeps/ieee754/ldbl-96/w_expl_compat.c: Likewise. * sysdeps/powerpc/powerpc32/power4/fpu/w_sqrt_compat.S: Likewise. * sysdeps/powerpc/powerpc32/power4/fpu/w_sqrtf_compat.S: Likewise. * sysdeps/powerpc/powerpc32/power5/fpu/w_sqrt_compat.S: Likewise. * sysdeps/powerpc/powerpc32/power5/fpu/w_sqrtf_compat.S: Likewise. * sysdeps/sparc/sparc32/fpu/w_sqrt_compat.S: Likewise. * sysdeps/sparc/sparc32/fpu/w_sqrtf_compat.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/w_sqrt_compat-vis3.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/w_sqrtf_compat-vis3.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/w_sqrt_compat.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/w_sqrtf_compat.S: Likewise. * sysdeps/sparc/sparc64/fpu/w_sqrt_compat.S: Likewise. * sysdeps/sparc/sparc64/fpu/w_sqrtf_compat.S: Likewise.
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-10-28 23:57:12 +0000