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| author | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
|---|---|---|
| committer | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
| commit | 4abab5ad6c8465a7528ccdd5f49367da05f78bbd (patch) | |
| tree | ebf009bf1376a5a223a915bc27cbbd791a1316bc /src/math/i386/log1pf.s | |
Initial version
Diffstat (limited to 'src/math/i386/log1pf.s')
| -rw-r--r-- | src/math/i386/log1pf.s | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/math/i386/log1pf.s b/src/math/i386/log1pf.s new file mode 100644 index 0000000..9f13d95 --- /dev/null +++ b/src/math/i386/log1pf.s @@ -0,0 +1,26 @@ +.global log1pf +.type log1pf,@function +log1pf: + mov 4(%esp),%eax + fldln2 + and $0x7fffffff,%eax + flds 4(%esp) + cmp $0x3e940000,%eax + ja 1f + cmp $0x00800000,%eax + jb 2f + fyl2xp1 + fstps 4(%esp) + flds 4(%esp) + ret +1: fld1 + faddp + fyl2x + fstps 4(%esp) + flds 4(%esp) + ret + # subnormal x, return x with underflow +2: fxch + fmul %st(1) + fstps 4(%esp) + ret |