From: Noah Goldstein <goldstein.w.n@gmail.com>
To: libc-alpha@sourceware.org
Subject: [PATCH v2] x86: Put wcs{n}len-sse4.1 in the sse4.1 text section
Date: Fri, 24 Jun 2022 09:42:15 -0700 [thread overview]
Message-ID: <20220624164216.2129400-4-goldstein.w.n@gmail.com> (raw)
In-Reply-To: <20220624164216.2129400-1-goldstein.w.n@gmail.com>
Previously was missing but the two implementations shouldn't get in
the sse2 (generic) text section.
---
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"
--
2.34.1
next prev parent reply other threads:[~2022-06-24 16:42 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-24 16:42 [PATCH v2] x86: Align entry for memrchr to 64-bytes Noah Goldstein
2022-06-24 16:42 ` [PATCH v2] x86: Rename strstr_sse2 to strstr_generic as it uses string/strstr.c Noah Goldstein
2022-06-24 17:06 ` H.J. Lu
2022-06-24 16:42 ` [PATCH v2] x86: Remove unused file wmemcmp-sse4 Noah Goldstein
2022-06-24 17:03 ` H.J. Lu
2022-06-24 16:42 ` Noah Goldstein [this message]
2022-06-24 17:05 ` [PATCH v2] x86: Put wcs{n}len-sse4.1 in the sse4.1 text section H.J. Lu
2022-07-14 3:02 ` Sunil Pandey
2022-06-24 16:42 ` [PATCH v2] x86: Add comment with ISA level for all targets support by GCC12.1 Noah Goldstein
2022-06-24 17:02 ` H.J. Lu
2022-06-24 17:15 ` [PATCH v2] x86: Align entry for memrchr to 64-bytes H.J. Lu
2022-07-14 2:59 ` Sunil Pandey
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