From 1bf4dad32727ee17e6067caac6600ca0c5ab9f2d Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Mon, 19 Mar 2012 05:56:41 -0400 Subject: [PATCH] asm for modf functions --- src/math/i386/modf.s | 15 +++++++++++++++ src/math/i386/modff.s | 15 +++++++++++++++ src/math/i386/modfl.s | 15 +++++++++++++++ 3 files changed, 45 insertions(+) create mode 100644 src/math/i386/modf.s create mode 100644 src/math/i386/modff.s create mode 100644 src/math/i386/modfl.s diff --git a/src/math/i386/modf.s b/src/math/i386/modf.s new file mode 100644 index 00000000..b88e7841 --- /dev/null +++ b/src/math/i386/modf.s @@ -0,0 +1,15 @@ +.global modf +.type modf,@function +modf: + mov 12(%esp),%eax + fldl 4(%esp) + fld1 + fld %st(1) +1: fprem + fstsw %ax + sahf + jp 1b + fstp %st(1) + fsubr %st(1) + fstpl (%eax) + ret diff --git a/src/math/i386/modff.s b/src/math/i386/modff.s new file mode 100644 index 00000000..d29b4b60 --- /dev/null +++ b/src/math/i386/modff.s @@ -0,0 +1,15 @@ +.global modff +.type modff,@function +modff: + mov 8(%esp),%eax + flds 4(%esp) + fld1 + fld %st(1) +1: fprem + fstsw %ax + sahf + jp 1b + fstp %st(1) + fsubr %st(1) + fstps (%eax) + ret diff --git a/src/math/i386/modfl.s b/src/math/i386/modfl.s new file mode 100644 index 00000000..f9380083 --- /dev/null +++ b/src/math/i386/modfl.s @@ -0,0 +1,15 @@ +.global modfl +.type modfl,@function +modfl: + mov 16(%esp),%eax + fldt 4(%esp) + fld1 + fld %st(1) +1: fprem + fstsw %ax + sahf + jp 1b + fstp %st(1) + fsubr %st(1) + fstpt (%eax) + ret -- 2.20.1