From c24a9923863fc29af4a5249727fe800224fc3c44 Mon Sep 17 00:00:00 2001 From: Alexander Monakov Date: Mon, 6 Jan 2020 11:36:18 +0300 Subject: [PATCH] math: move x87-family fabs functions to C with inline asm --- src/math/i386/fabs.c | 7 +++++++ src/math/i386/fabs.s | 6 ------ src/math/i386/fabsf.c | 7 +++++++ src/math/i386/fabsf.s | 6 ------ src/math/i386/fabsl.c | 7 +++++++ src/math/i386/fabsl.s | 6 ------ src/math/x86_64/fabsl.c | 7 +++++++ src/math/x86_64/fabsl.s | 6 ------ 8 files changed, 28 insertions(+), 24 deletions(-) create mode 100644 src/math/i386/fabs.c delete mode 100644 src/math/i386/fabs.s create mode 100644 src/math/i386/fabsf.c delete mode 100644 src/math/i386/fabsf.s create mode 100644 src/math/i386/fabsl.c delete mode 100644 src/math/i386/fabsl.s create mode 100644 src/math/x86_64/fabsl.c delete mode 100644 src/math/x86_64/fabsl.s diff --git a/src/math/i386/fabs.c b/src/math/i386/fabs.c new file mode 100644 index 00000000..39672786 --- /dev/null +++ b/src/math/i386/fabs.c @@ -0,0 +1,7 @@ +#include + +double fabs(double x) +{ + __asm__ ("fabs" : "+t"(x)); + return x; +} diff --git a/src/math/i386/fabs.s b/src/math/i386/fabs.s deleted file mode 100644 index d66ea9a1..00000000 --- a/src/math/i386/fabs.s +++ /dev/null @@ -1,6 +0,0 @@ -.global fabs -.type fabs,@function -fabs: - fldl 4(%esp) - fabs - ret diff --git a/src/math/i386/fabsf.c b/src/math/i386/fabsf.c new file mode 100644 index 00000000..d882eee3 --- /dev/null +++ b/src/math/i386/fabsf.c @@ -0,0 +1,7 @@ +#include + +float fabsf(float x) +{ + __asm__ ("fabs" : "+t"(x)); + return x; +} diff --git a/src/math/i386/fabsf.s b/src/math/i386/fabsf.s deleted file mode 100644 index a981c422..00000000 --- a/src/math/i386/fabsf.s +++ /dev/null @@ -1,6 +0,0 @@ -.global fabsf -.type fabsf,@function -fabsf: - flds 4(%esp) - fabs - ret diff --git a/src/math/i386/fabsl.c b/src/math/i386/fabsl.c new file mode 100644 index 00000000..cc1c9ed9 --- /dev/null +++ b/src/math/i386/fabsl.c @@ -0,0 +1,7 @@ +#include + +long double fabsl(long double x) +{ + __asm__ ("fabs" : "+t"(x)); + return x; +} diff --git a/src/math/i386/fabsl.s b/src/math/i386/fabsl.s deleted file mode 100644 index ceef9e4c..00000000 --- a/src/math/i386/fabsl.s +++ /dev/null @@ -1,6 +0,0 @@ -.global fabsl -.type fabsl,@function -fabsl: - fldt 4(%esp) - fabs - ret diff --git a/src/math/x86_64/fabsl.c b/src/math/x86_64/fabsl.c new file mode 100644 index 00000000..cc1c9ed9 --- /dev/null +++ b/src/math/x86_64/fabsl.c @@ -0,0 +1,7 @@ +#include + +long double fabsl(long double x) +{ + __asm__ ("fabs" : "+t"(x)); + return x; +} diff --git a/src/math/x86_64/fabsl.s b/src/math/x86_64/fabsl.s deleted file mode 100644 index 4e7ab525..00000000 --- a/src/math/x86_64/fabsl.s +++ /dev/null @@ -1,6 +0,0 @@ -.global fabsl -.type fabsl,@function -fabsl: - fldt 8(%rsp) - fabs - ret -- 2.25.1