From: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Fri, 14 Aug 2015 12:30:17 +0000 (-0700)
Subject: Remove incorrect register mov in floorf/nearbyint on x86_64
X-Git-Tag: glibc-2.23~662
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=37dd6a19ca36b84cdef7e51dffcb68a2cbf54a6a;p=thirdparty%2Fglibc.git

Remove incorrect register mov in floorf/nearbyint on x86_64

The change in 0b5395f052ee09cd7e3d219af4e805c38058afb5 replaced calls
to __get_cpu_features@plt followed by a mov from rax to rdx, with a
single macro LOAD_RTLD_GLOBAL_RO_RDX.  It is pretty clear that there
was a typo in s_floorf and __nearbyint due to which the (now incorrect)
mov was not removed.  This patch removes that mov.

	* sysdeps/x86_64/fpu/multiarch/s_floorf.S (__floorf): Remove
	unnecessary movq.
	* sysdeps/x86_64/fpu/multiarch/s_nearbyint.S (__nearbyint):
	Likewise.
---

diff --git a/ChangeLog b/ChangeLog
index b9ff0dd58af..f33a11a757f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2015-08-14  Siddhesh Poyarekar  <siddhesh@redhat.com>
+
+	* sysdeps/x86_64/fpu/multiarch/s_floorf.S (__floorf): Remove
+	unnecessary movq.
+	* sysdeps/x86_64/fpu/multiarch/s_nearbyint.S (__nearbyint):
+	Likewise.
+
 2015-08-13  Joseph Myers  <joseph@codesourcery.com>
 
 	* math/auto-libm-test-in: Add more tests of acos, acosh, asin,
diff --git a/sysdeps/x86_64/fpu/multiarch/s_floorf.S b/sysdeps/x86_64/fpu/multiarch/s_floorf.S
index f60f662e039..9d67847d07d 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_floorf.S
+++ b/sysdeps/x86_64/fpu/multiarch/s_floorf.S
@@ -23,7 +23,6 @@
 ENTRY(__floorf)
 	.type	__floorf, @gnu_indirect_function
 	LOAD_RTLD_GLOBAL_RO_RDX
-	movq	%rax, %rdx
 	leaq	__floorf_sse41(%rip), %rax
 	HAS_CPU_FEATURE (SSE4_1)
 	jnz	2f
diff --git a/sysdeps/x86_64/fpu/multiarch/s_nearbyint.S b/sysdeps/x86_64/fpu/multiarch/s_nearbyint.S
index 109395ca371..2c13024e8b3 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_nearbyint.S
+++ b/sysdeps/x86_64/fpu/multiarch/s_nearbyint.S
@@ -23,7 +23,6 @@
 ENTRY(__nearbyint)
 	.type	__nearbyint, @gnu_indirect_function
 	LOAD_RTLD_GLOBAL_RO_RDX
-	movq	%rax, %rdx
 	leaq	__nearbyint_sse41(%rip), %rax
 	HAS_CPU_FEATURE (SSE4_1)
 	jnz	2f