diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/fpu/s_copysignl.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/fpu/s_copysignl.S | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_copysignl.S b/sysdeps/powerpc/powerpc32/fpu/s_copysignl.S index aed783ad59..0c9d18cb03 100644 --- a/sysdeps/powerpc/powerpc32/fpu/s_copysignl.S +++ b/sysdeps/powerpc/powerpc32/fpu/s_copysignl.S @@ -1,6 +1,6 @@ /* Copy a sign bit between floating-point values. IBM extended format long double version. - Copyright (C) 2006-2016 Free Software Foundation, Inc. + Copyright (C) 2006-2018 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 @@ -24,22 +24,39 @@ 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. */ +#ifdef _ARCH_PPCGR + /* fsel available. */ stwu r1,-16(r1) cfi_adjust_cfa_offset (16) stfd fp3,8(r1) fmr fp0,fp1 fabs fp1,fp1 - fcmpu cr7,fp0,fp1 lwz r3,8+HIWORD(r1) cmpwi cr6,r3,0 addi r1,r1,16 cfi_adjust_cfa_offset (-16) - beq cr7,L(0) + fneg fp3,fp2 + fsel fp2,fp0,fp2,fp3 + bgelr cr6 + fneg fp1,fp1 fneg fp2,fp2 -L(0): bgelr cr6 + blr +#else + stwu r1,-32(r1) + cfi_adjust_cfa_offset (32) + stfd fp3,8(r1) + stfd fp1,16(r1) + lwz r3,8+HIWORD(r1) + lwz r4,16+HIWORD(r1) + xor r3,r3,r4 + cmpwi cr6,r3,0 + addi r1,r1,32 + cfi_adjust_cfa_offset (-32) + bgelr cr6 fneg fp1,fp1 fneg fp2,fp2 blr +#endif END (__copysignl) #if IS_IN (libm) |