diff options
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/fpu/s_fabsl.S | 21 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/fpu/s_fabsl.S | 5 |
3 files changed, 28 insertions, 5 deletions
@@ -1,5 +1,12 @@ 2016-05-27 Joseph Myers <joseph@codesourcery.com> + [BZ #20157] + * sysdeps/powerpc/powerpc32/fpu/s_fabsl.S (__fabsl): Use fsel to + determine whether to negate low half if [_ARCH_PPCGR], and integer + comparison otherwise. + * sysdeps/powerpc/powerpc64/fpu/s_fabsl.S (__fabsl): Use fsel to + determine whether to negate low half. + * math/libm-test.inc (NO_TEST_INLINE_FLOAT): Remove macro. (NO_TEST_INLINE_DOUBLE): Likewise. (TEST_COND_x86_64): Likewise. diff --git a/sysdeps/powerpc/powerpc32/fpu/s_fabsl.S b/sysdeps/powerpc/powerpc32/fpu/s_fabsl.S index 0462d20..866e817 100644 --- a/sysdeps/powerpc/powerpc32/fpu/s_fabsl.S +++ b/sysdeps/powerpc/powerpc32/fpu/s_fabsl.S @@ -24,11 +24,28 @@ 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. */ +#ifdef _ARCH_PPCGR + /* fsel available. */ fmr fp0,fp1 +#else + /* Use integer operations to test sign of high part to avoid + exceptions on sNaNs. */ + stwu r1,-16(r1) + cfi_adjust_cfa_offset (16) + stfd fp1,8(r1) +#endif fabs fp1,fp1 - fcmpu cr1,fp0,fp1 - beqlr cr1 +#ifdef _ARCH_PPCGR + fneg fp3,fp2 + fsel fp2,fp0,fp2,fp3 +#else + lwz r3,8+HIWORD(r1) + cmpwi cr6,r3,0 + addi r1,r1,16 + cfi_adjust_cfa_offset (-16) + bgelr cr6 fneg fp2,fp2 +#endif blr END (__fabsl) diff --git a/sysdeps/powerpc/powerpc64/fpu/s_fabsl.S b/sysdeps/powerpc/powerpc64/fpu/s_fabsl.S index 0462d20..1f8f05e 100644 --- a/sysdeps/powerpc/powerpc64/fpu/s_fabsl.S +++ b/sysdeps/powerpc/powerpc64/fpu/s_fabsl.S @@ -26,9 +26,8 @@ ENTRY(__fabsl) with the sign bit of y. */ fmr fp0,fp1 fabs fp1,fp1 - fcmpu cr1,fp0,fp1 - beqlr cr1 - fneg fp2,fp2 + fneg fp3,fp2 + fsel fp2,fp0,fp2,fp3 blr END (__fabsl) |