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From: Sunil Pandey <skpgkp2@sourceware.org>
To: glibc-cvs@sourceware.org
Subject: [glibc/release/2.35/master] x86: Put wcs{n}len-sse4.1 in the sse4.1 text section
Date: Mon, 18 Jul 2022 20:58:53 +0000 (GMT)	[thread overview]
Message-ID: <20220718205853.211153852761@sourceware.org> (raw)

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c77cde8172575a433a04dadfeea4ff078149b84f

commit c77cde8172575a433a04dadfeea4ff078149b84f
Author: Noah Goldstein <goldstein.w.n@gmail.com>
Date:   Fri Jun 24 09:42:15 2022 -0700

    x86: Put wcs{n}len-sse4.1 in the sse4.1 text section
    
    Previously was missing but the two implementations shouldn't get in
    the sse2 (generic) text section.
    
    (cherry picked from commit afc6e4328ff80973bde50d5401691b4c4b2e522c)

Diff:
---
 sysdeps/x86_64/multiarch/strlen-vec.S     | 6 +++++-
 sysdeps/x86_64/multiarch/wcslen-sse4_1.S  | 1 +
 sysdeps/x86_64/multiarch/wcsnlen-sse4_1.S | 1 +
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/sysdeps/x86_64/multiarch/strlen-vec.S b/sysdeps/x86_64/multiarch/strlen-vec.S
index 42b6124dfd..874123d604 100644
--- a/sysdeps/x86_64/multiarch/strlen-vec.S
+++ b/sysdeps/x86_64/multiarch/strlen-vec.S
@@ -28,6 +28,10 @@
 # define SHIFT_RETURN
 #endif
 
+#ifndef SECTION
+# define SECTION(p)	p
+#endif
+
 /* Long lived register in strlen(s), strnlen(s, n) are:
 
 	%xmm3 - zero
@@ -37,7 +41,7 @@
 */
 
 
-.text
+	.section SECTION(.text),"ax",@progbits
 ENTRY(strlen)
 
 /* Test 64 bytes from %rax for zero. Save result as bitmask in %rdx.  */
diff --git a/sysdeps/x86_64/multiarch/wcslen-sse4_1.S b/sysdeps/x86_64/multiarch/wcslen-sse4_1.S
index 7e62621afc..e306a77f51 100644
--- a/sysdeps/x86_64/multiarch/wcslen-sse4_1.S
+++ b/sysdeps/x86_64/multiarch/wcslen-sse4_1.S
@@ -1,4 +1,5 @@
 #define AS_WCSLEN
 #define strlen	__wcslen_sse4_1
+#define SECTION(p)	p##.sse4.1
 
 #include "strlen-vec.S"
diff --git a/sysdeps/x86_64/multiarch/wcsnlen-sse4_1.S b/sysdeps/x86_64/multiarch/wcsnlen-sse4_1.S
index 5fa51fe07c..d2f7dd6e22 100644
--- a/sysdeps/x86_64/multiarch/wcsnlen-sse4_1.S
+++ b/sysdeps/x86_64/multiarch/wcsnlen-sse4_1.S
@@ -1,5 +1,6 @@
 #define AS_WCSLEN
 #define AS_STRNLEN
 #define strlen	__wcsnlen_sse4_1
+#define SECTION(p)	p##.sse4.1
 
 #include "strlen-vec.S"


                 reply	other threads:[~2022-07-18 20:58 UTC|newest]

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