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| author | Joseph Myers <joseph@codesourcery.com> | 2012-04-30 09:38:06 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-04-30 09:38:06 +0000 |
| commit | 5ba3cc691c856e5c67a7d4cd4713f20a79f7ba81 (patch) | |
| tree | 5dfe27d20ca6c9d2549d2ecd7f2dd565832dc2b0 /sysdeps/i386/fpu/e_acos.S | |
| parent | 9568c0c2255045456a09b441f89c6641e27a4bec (diff) | |
| download | glibc-5ba3cc691c856e5c67a7d4cd4713f20a79f7ba81.tar.gz glibc-5ba3cc691c856e5c67a7d4cd4713f20a79f7ba81.tar.xz glibc-5ba3cc691c856e5c67a7d4cd4713f20a79f7ba81.zip | |
Fix acos (-1) in round-downwards mode on x86 (bug 14034).
Diffstat (limited to 'sysdeps/i386/fpu/e_acos.S')
| -rw-r--r-- | sysdeps/i386/fpu/e_acos.S | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/i386/fpu/e_acos.S b/sysdeps/i386/fpu/e_acos.S index d3505baf07..d10a054b9c 100644 --- a/sysdeps/i386/fpu/e_acos.S +++ b/sysdeps/i386/fpu/e_acos.S @@ -15,6 +15,7 @@ ENTRY(__ieee754_acos) fld1 /* 1 : x^2 : x */ fsubp /* 1 - x^2 : x */ fsqrt /* sqrt (1 - x^2) : x */ + fabs fxch %st(1) /* x : sqrt (1 - x^2) */ fpatan /* atan (sqrt(1 - x^2) / x) */ ret |