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authorUlrich Drepper <drepper@redhat.com>2009-08-25 16:46:34 -0700
committerUlrich Drepper <drepper@redhat.com>2009-08-25 16:46:34 -0700
commit65b14bcee2da7f56299357d1dab9f0ab986c2255 (patch)
tree2e7f47d06477f7a0526e0a6f1ebaa4c25441a0d1
parente9f145cba8691a81dac379914bb3895360795a9b (diff)
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Optimize out duplicated scalbln code for x86-64.
-rw-r--r--ChangeLog5
-rw-r--r--sysdeps/ieee754/dbl-64/wordsize-64/s_scalbn.c (renamed from sysdeps/ieee754/dbl-64/wordsize-64/s_scalbln.c)12
-rw-r--r--sysdeps/x86_64/fpu/s_scalbln.c2
-rw-r--r--sysdeps/x86_64/fpu/s_scalbn.c9
4 files changed, 21 insertions, 7 deletions
diff --git a/ChangeLog b/ChangeLog
index 365b0b893b..4b1faea4e7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,7 +4,10 @@
 
 2009-08-25  Ulrich Drepper  <drepper@redhat.com>
 
-	* sysdeps/ieee754/dbl-64/wordsize-64/s_scalbln.c: New file.
+	* sysdeps/x86_64/fpu/s_scalbln.c: New file.
+	* sysdeps/x86_64/fpu/s_scalbn.c: New file.
+
+	* sysdeps/ieee754/dbl-64/wordsize-64/s_scalbn.c: New file.
 
 	* sysdeps/x86_64/fpu/s_signbit.S: New file.
 	* sysdeps/x86_64/fpu/s_signbitf.S: New file.
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_scalbln.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_scalbn.c
index 25b283f288..25cf3b1699 100644
--- a/sysdeps/ieee754/dbl-64/wordsize-64/s_scalbln.c
+++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_scalbn.c
@@ -31,10 +31,10 @@ huge   = 1.0e+300,
 tiny   = 1.0e-300;
 
 #ifdef __STDC__
-	double __scalbln (double x, long int n)
+	double __scalbn (double x, int n)
 #else
-	double __scalbln (x,n)
-	double x; long int n;
+	double __scalbn (x,n)
+	double x; int n;
 #endif
 {
 	int64_t ix;
@@ -61,8 +61,8 @@ tiny   = 1.0e-300;
 	INSERT_WORDS64(x,(ix&INT64_C(0x800fffffffffffff))|(k<<52));
 	return x*twom54;
 }
-weak_alias (__scalbln, scalbln)
+weak_alias (__scalbn, scalbn)
 #ifdef NO_LONG_DOUBLE
-strong_alias (__scalbln, __scalblnl)
-weak_alias (__scalbln, scalblnl)
+strong_alias (__scalbn, __scalbnl)
+weak_alias (__scalbn, scalbnl)
 #endif
diff --git a/sysdeps/x86_64/fpu/s_scalbln.c b/sysdeps/x86_64/fpu/s_scalbln.c
new file mode 100644
index 0000000000..1009713fbc
--- /dev/null
+++ b/sysdeps/x86_64/fpu/s_scalbln.c
@@ -0,0 +1,2 @@
+/* Nothing to do.  This function is the same as scalbn.  So we define an
+   alias.  */
diff --git a/sysdeps/x86_64/fpu/s_scalbn.c b/sysdeps/x86_64/fpu/s_scalbn.c
new file mode 100644
index 0000000000..74d34655ad
--- /dev/null
+++ b/sysdeps/x86_64/fpu/s_scalbn.c
@@ -0,0 +1,9 @@
+#define scalbln __renamed_scalbln
+#define __scalbln __renamed___scalbln
+
+#include <sysdeps/ieee754/dbl-64/wordsize-64/s_scalbn.c>
+
+#undef scalbln
+#undef __scalbln
+strong_alias (__scalbn, __scalbln)
+weak_alias (__scalbn, scalbln)