From c24a9923863fc29af4a5249727fe800224fc3c44 Mon Sep 17 00:00:00 2001
From: Alexander Monakov <amonakov@ispras.ru>
Date: Mon, 6 Jan 2020 11:36:18 +0300
Subject: 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
(limited to 'src')
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 <math.h>
+
+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 <math.h>
+
+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 <math.h>
+
+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 <math.h>
+
+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
--
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