From: Rich Felker <dalias@aerifal.cx>
Date: Thu, 19 Jun 2014 06:48:45 +0000 (-0400)
Subject: optimize i386 ___tls_get_addr asm
X-Git-Tag: v1.1.3~20
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=880c479f0e3a798d826c1c91b38d33e2b3e36580;p=oweals%2Fmusl.git

optimize i386 ___tls_get_addr asm
---

diff --git a/src/thread/i386/tls.s b/src/thread/i386/tls.s
index e1f22629..6e01adf2 100644
--- a/src/thread/i386/tls.s
+++ b/src/thread/i386/tls.s
@@ -2,7 +2,14 @@
 .global ___tls_get_addr
 .type ___tls_get_addr,@function
 ___tls_get_addr:
-	push %eax
+	mov %gs:4,%edx
+	mov (%eax),%ecx
+	cmp %ecx,(%edx)
+	jc 1f
+	mov 4(%eax),%eax
+	add (%edx,%ecx,4),%eax
+	ret
+1:	push %eax
 	call __tls_get_addr
 	pop %edx
 	ret