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Diffstat (limited to 'sysdeps/s390/s390-32/__longjmp.c')
-rw-r--r--sysdeps/s390/s390-32/__longjmp.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/sysdeps/s390/s390-32/__longjmp.c b/sysdeps/s390/s390-32/__longjmp.c
index 07814e080a..c47ebbc52a 100644
--- a/sysdeps/s390/s390-32/__longjmp.c
+++ b/sysdeps/s390/s390-32/__longjmp.c
@@ -29,24 +29,32 @@
void
__longjmp (__jmp_buf env, int val)
{
+ register int r2 __asm ("%r2") = val == 0 ? 1 : val;
#ifdef PTR_DEMANGLE
- register uintptr_t r5 __asm ("%r5") = THREAD_GET_POINTER_GUARD ();
+ register uintptr_t r3 __asm ("%r3") = THREAD_GET_POINTER_GUARD ();
+ register void *r1 __asm ("%r1") = (void *) env;
#endif
/* Restore registers and jump back. */
- asm volatile ("lr %%r2,%0\n\t" /* PUT val in grp 2. */
- "ld %%f6,48(%1)\n\t"
+ asm volatile ("ld %%f6,48(%1)\n\t"
"ld %%f4,40(%1)\n\t"
- "lm %%r6,%%r15,0(%1)\n\t"
#ifdef PTR_DEMANGLE
- "xr %%r14,%2\n\t"
-#endif
+ "lm %%r6,%%r13,0(%1)\n\t"
+ "lm %%r4,%%r5,32(%1)\n\t"
+ "xr %%r4,%2\n\t"
+ "xr %%r5,%2\n\t"
+ "lr %%r15,%%r5\n\t"
+ "br %%r4"
+#else
+ "lm %%r6,%%r15,0(%1)\n\t"
"br %%r14"
- : : "r" (val == 0 ? 1 : val),
- "a" (env)
+#endif
+ : : "r" (r2),
#ifdef PTR_DEMANGLE
- , "r" (r5)
+ "r" (r1), "r" (r3)
+#else
+ "a" (env)
#endif
- : "2" );
+ );
/* Avoid `volatile function does return' warnings. */
for (;;);