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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2016-08-20 19:50:45 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2016-08-20 19:50:45 +0200 |
| commit | 4dd9e35bfd35d3138bc44169baba098005bad51e (patch) | |
| tree | a4939c43a9c3fe00eb27f023e14acc5e1fe8808c /sysdeps/i386/fpu/s_expm1f.S | |
| parent | bd42a4599d1b6f77bcfe1e4f67b7cbd9e1cb2dfd (diff) | |
| parent | f76453c31593957fec1a99b986bfa5506618b79c (diff) | |
Merge commit 'refs/top-bases/t/bigmem' into t/bigmem
Diffstat (limited to 'sysdeps/i386/fpu/s_expm1f.S')
| -rw-r--r-- | sysdeps/i386/fpu/s_expm1f.S | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/sysdeps/i386/fpu/s_expm1f.S b/sysdeps/i386/fpu/s_expm1f.S index 1f191c576a..a83e435e22 100644 --- a/sysdeps/i386/fpu/s_expm1f.S +++ b/sysdeps/i386/fpu/s_expm1f.S @@ -1,5 +1,5 @@ /* ix87 specific implementation of exp(x)-1. - Copyright (C) 1996-2014 Free Software Foundation, Inc. + Copyright (C) 1996-2015 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. Based on code by John C. Bowman <bowman@ipp-garching.mpg.de>. @@ -37,6 +37,13 @@ one: .double 1.0 l2e: .tfloat 1.442695040888963407359924681002 ASM_SIZE_DIRECTIVE(l2e) + .section .rodata.cst4,"aM",@progbits,4 + + .p2align 2 + .type flt_min,@object +flt_min: .byte 0, 0, 0x80, 0 + ASM_SIZE_DIRECTIVE(flt_min) + #ifdef PIC #define MO(op) op##@GOTOFF(%edx) #else @@ -74,6 +81,21 @@ ENTRY(__expm1f) #ifdef PIC LOAD_PIC_REG (dx) #endif + fld %st + fabs + fcoms MO(flt_min) + fstp %st + fnstsw + sahf + jae 5f + subl $4, %esp + cfi_adjust_cfa_offset (4) + fld %st(0) + fmul %st(0) + fstps (%esp) + addl $4, %esp + cfi_adjust_cfa_offset (-4) + ret 5: fldt MO(l2e) // log2(e) : x fmulp // log2(e)*x |