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re PR target/51354 (ICE in maybe_record_trace_start)

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PR target/51354
	* config/i386/i386.c (ix86_emit_leave): Call ix86_add_cfa_restore_note
	unconditionally.

	* gcc.c-torture/compile/pr51354.c: New test.

From-SVN: r182056
This commit is contained in:
Jakub Jelinek 2011-12-06 18:15:11 +01:00 • committed by Jakub Jelinek
parent 66403b3862
commit 762f777039
4 changed files with 30 additions and 2 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2011-12-06 Jakub Jelinek <jakub@redhat.com>
PR target/51354
* config/i386/i386.c (ix86_emit_leave): Call ix86_add_cfa_restore_note
unconditionally.
2011-12-06 Georg-Johann Lay <avr@gjlay.de>
Forward-port from gcc-4_6-branch r181936 2011-12-02.

4
gcc/config/i386/i386.c
View file

@ -10545,9 +10545,9 @@ ix86_emit_leave (void)
add_reg_note (insn, REG_CFA_DEF_CFA,
plus_constant (stack_pointer_rtx, m->fs.sp_offset));
RTX_FRAME_RELATED_P (insn) = 1;
ix86_add_cfa_restore_note (insn, hard_frame_pointer_rtx,
m->fs.fp_offset);
}
ix86_add_cfa_restore_note (insn, hard_frame_pointer_rtx,
m->fs.fp_offset);
}
/* Emit code to restore saved registers using MOV insns.

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2011-12-06 Jakub Jelinek <jakub@redhat.com>
PR target/51354
* gcc.c-torture/compile/pr51354.c: New test.
2011-12-06 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/51431

17
gcc/testsuite/gcc.c-torture/compile/pr51354.c Normal file
View file

@ -0,0 +1,17 @@
/* PR target/51354 */
extern void abort (void);
typedef int __attribute__ ((aligned (32))) ai;
void foo (int *x, ai * y);
int
bar (int x)
{
if (x == 12346)
return 24;
ai i;
foo (__builtin_alloca (x), &i);
return 128;
}