diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/power4/fpu')
-rw-r--r-- | sysdeps/powerpc/powerpc32/power4/fpu/s_llrint.S | 4 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc32/power4/fpu/s_llrintf.S | 4 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S | 6 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc32/power4/fpu/w_sqrt.S | 6 | ||||
-rw-r--r-- | sysdeps/powerpc/powerpc32/power4/fpu/w_sqrtf.S | 6 |
5 files changed, 13 insertions, 13 deletions
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/s_llrint.S b/sysdeps/powerpc/powerpc32/power4/fpu/s_llrint.S index 2ac986db8b..55b2850fd1 100644 --- a/sysdeps/powerpc/powerpc32/power4/fpu/s_llrint.S +++ b/sysdeps/powerpc/powerpc32/power4/fpu/s_llrint.S @@ -20,7 +20,7 @@ #include <math_ldbl_opt.h> /* long long int[r3, r4] __llrint (double x[fp1]) */ -ENTRY (__llrint) +ENTRY (__llrint) CALL_MCOUNT stwu r1,-16(r1) cfi_adjust_cfa_offset (16) @@ -31,7 +31,7 @@ ENTRY (__llrint) nop lwz r3,8(r1) lwz r4,12(r1) - addi r1,r1,16 + addi r1,r1,16 blr END (__llrint) diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/s_llrintf.S b/sysdeps/powerpc/powerpc32/power4/fpu/s_llrintf.S index 98e3aafc8e..cc80fcb02a 100644 --- a/sysdeps/powerpc/powerpc32/power4/fpu/s_llrintf.S +++ b/sysdeps/powerpc/powerpc32/power4/fpu/s_llrintf.S @@ -19,7 +19,7 @@ #include <sysdep.h> /* long long int[r3, r4] __llrintf (float x[fp1]) */ -ENTRY (__llrintf) +ENTRY (__llrintf) CALL_MCOUNT stwu r1,-16(r1) cfi_adjust_cfa_offset (16) @@ -30,7 +30,7 @@ ENTRY (__llrintf) nop lwz r3,8(r1) lwz r4,12(r1) - addi r1,r1,16 + addi r1,r1,16 blr END (__llrintf) diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S b/sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S index 07beb0a568..631180f072 100644 --- a/sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S +++ b/sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S @@ -29,11 +29,11 @@ .section ".text" /* long [r3] lround (float x [fp1]) - IEEE 1003.1 lround function. IEEE specifies "round to the nearest + IEEE 1003.1 lround 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).". + "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. diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/w_sqrt.S b/sysdeps/powerpc/powerpc32/power4/fpu/w_sqrt.S index 4f1c17680d..3648e4a69f 100644 --- a/sysdeps/powerpc/powerpc32/power4/fpu/w_sqrt.S +++ b/sysdeps/powerpc/powerpc32/power4/fpu/w_sqrt.S @@ -25,20 +25,20 @@ sets the appropriate floating point exceptions. Extended checking is only needed to set errno (via __kernel_standard) if the input value is negative. - + The fsqrt will set FPCC and FU (Floating Point Unordered or NaN to indicated that the input value was negative or NaN. Use Move to Condition Register from FPSCR to copy the FPCC field to cr1. The branch on summary overflow transfers control to w_sqrt to process any error conditions. Otherwise we can return the result directly. - + This part of the function is a leaf routine, so no need to stack a frame or execute prologue/epilogue code. This means it is safe to transfer directly to w_sqrt as long as the input value (f1) is preserved. Putting the sqrt result into f2 (double parameter 2) allows passing both the input value and sqrt result into the extended wrapper so there is no need to recompute. - + This tactic avoids the overhead of stacking a frame for the normal (non-error) case. Until gcc supports prologue shrink-wrapping this is the best we can do. */ diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/w_sqrtf.S b/sysdeps/powerpc/powerpc32/power4/fpu/w_sqrtf.S index 0da5b7a8e3..153843c7cd 100644 --- a/sysdeps/powerpc/powerpc32/power4/fpu/w_sqrtf.S +++ b/sysdeps/powerpc/powerpc32/power4/fpu/w_sqrtf.S @@ -25,20 +25,20 @@ sets the appropriate floating point exceptions. Extended checking is only needed to set errno (via __kernel_standard) if the input value is negative. - + The fsqrts will set FPCC and FU (Floating Point Unordered or NaN to indicated that the input value was negative or NaN. Use Move to Condition Register from FPSCR to copy the FPCC field to cr1. The branch on summary overflow transfers control to w_sqrt to process any error conditions. Otherwise we can return the result directly. - + This part of the function is a leaf routine, so no need to stack a frame or execute prologue/epilogue code. This means it is safe to transfer directly to w_sqrt as long as the input value (f1) is preserved. Putting the sqrt result into f2 (float parameter 2) allows passing both the input value and sqrt result into the extended wrapper so there is no need to recompute. - + This tactic avoids the overhead of stacking a frame for the normal (non-error) case. Until gcc supports prologue shrink-wrapping this is the best we can do. */ |