longjmp: optimize forcing the return value to be non-zero

2021-05-14 18:05:47 +02:00 · 2021-05-14 18:05:47 +02:00 · 471d6ea820
parent 6275b3e73b
commit 471d6ea820
1 changed files with 2 additions and 3 deletions
--- a/src/libc/setjmp/target/sh-generic/longjmp.S
+++ b/src/libc/setjmp/target/sh-generic/longjmp.S
@ -15,9 +15,8 @@ _longjmp:

 	! check the returned value validity
 	tst	r5, r5
-	bf/s	int_block
-	mov	r5, r9
-	mov	#1, r9
+	movt	r9
+	add	r5, r9

 	! block interrupt
 int_block: