Fix Thumb-2 setjmp

Joseph S. Myers joseph at codesourcery.com
Tue Jun 30 21:23:13 UTC 2009


I've applied as obvious this patch to fix Thumb-2 setjmp, which was 
failing to assemble.

Many Thumb-2 instructions cannot use sp or pc as operands, and the 
assembler now diagnoses these.  setjmp had one such instruction, movs; 
this patch changes it to mov.

diff --git a/libc/sysdeps/linux/arm/setjmp.S b/libc/sysdeps/linux/arm/setjmp.S
index 2df7d55..76d1790 100644
--- a/libc/sysdeps/linux/arm/setjmp.S
+++ b/libc/sysdeps/linux/arm/setjmp.S
@@ -47,7 +47,7 @@ __sigsetjmp:
 	mov	ip, r0
 #if defined(__thumb2__)
 	stmia	ip!, {v1-v6, sl, fp}
-	movs	r2, sp
+	mov	r2, sp
 	stmia	ip!, {r2, lr}
 #else
 	/* Save registers */

-- 
Joseph S. Myers
joseph at codesourcery.com


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