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| author | Ulrich Drepper <drepper@gmail.com> | 2011-10-15 20:22:59 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-10-15 20:22:59 -0400 |
| commit | bcf01e6d800e837622ddbc851b42b55fa99e5636 (patch) | |
| tree | 5df0ae9971331105fe53de872895abb68d8276a5 /sysdeps/i386/fpu/e_expl.c | |
| parent | ba1a0d5938b53454a249d679ab90baf541cd91ad (diff) | |
| download | glibc-bcf01e6d800e837622ddbc851b42b55fa99e5636.tar glibc-bcf01e6d800e837622ddbc851b42b55fa99e5636.tar.gz glibc-bcf01e6d800e837622ddbc851b42b55fa99e5636.tar.bz2 glibc-bcf01e6d800e837622ddbc851b42b55fa99e5636.zip | |
Optimize exp
Add __exp*_finite optimizations and rewrite some wrappers.
Diffstat (limited to 'sysdeps/i386/fpu/e_expl.c')
| -rw-r--r-- | sysdeps/i386/fpu/e_expl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/i386/fpu/e_expl.c b/sysdeps/i386/fpu/e_expl.c index 2240ceac47..8dc9581f70 100644 --- a/sysdeps/i386/fpu/e_expl.c +++ b/sysdeps/i386/fpu/e_expl.c @@ -63,7 +63,7 @@ __ieee754_expl (long double x) "fld1\n\t" /* 4 1.0 */ "faddp\n\t" /* 3 2^(fract(x * log2(e))) */ "fstp %%st(1)\n\t" /* 2 */ - "fscale\n\t" /* 2 scale factor is st(1); e^x */ + "fscale\n\t" /* 2 scale factor is st(1); e^x */ "fstp %%st(1)\n\t" /* 1 */ "fstp %%st(1)\n\t" /* 0 */ "jmp 2f\n\t" @@ -75,3 +75,4 @@ __ieee754_expl (long double x) : "=t" (res) : "0" (x), "m" (c0), "m" (c1) : "ax", "dx"); return res; } +strong_alias (__ieee754_expl, __expl_finite) |