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| author | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
| commit | a334319f6530564d22e775935d9c91663623a1b4 (patch) | |
| tree | b5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/s390/s390-32/__longjmp.c | |
| parent | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff) | |
| download | glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz | |
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/s390/s390-32/__longjmp.c')
| -rw-r--r-- | sysdeps/s390/s390-32/__longjmp.c | 36 |
1 files changed, 9 insertions, 27 deletions
diff --git a/sysdeps/s390/s390-32/__longjmp.c b/sysdeps/s390/s390-32/__longjmp.c index c47ebbc52a..c1b977cd49 100644 --- a/sysdeps/s390/s390-32/__longjmp.c +++ b/sysdeps/s390/s390-32/__longjmp.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2001, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). @@ -29,32 +29,14 @@ void __longjmp (__jmp_buf env, int val) { - register int r2 __asm ("%r2") = val == 0 ? 1 : val; -#ifdef PTR_DEMANGLE - 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 ("ld %%f6,48(%1)\n\t" - "ld %%f4,40(%1)\n\t" -#ifdef PTR_DEMANGLE - "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" -#endif - : : "r" (r2), -#ifdef PTR_DEMANGLE - "r" (r1), "r" (r3) -#else - "a" (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" + "ld %%f4,40(%1)\n\t" + "lm %%r6,%%r15,0(%1)\n\t" + "br %%r14" + : : "r" (val == 0 ? 1 : val), + "a" (env) : "2" ); /* Avoid `volatile function does return' warnings. */ for (;;); |