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re PR rtl-optimization/56732 (ICE in advance_target_bb)

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gcc/ChangeLog

2013-05-02  Greta Yorsh  <Greta.Yorsh@arm.com>

	PR target/56732
	* config/arm/arm.c (arm_expand_epilogue): Check really_return before
	generating simple_return for naked functions.

gcc/testsuite/ChangeLog

2013-05-02  Greta Yorsh  <Greta.Yorsh@arm.com>

	PR target/56732
	* gcc.target/arm/pr56732-1.c: New test.

From-SVN: r198547
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Greta Yorsh 2013-05-02 16:45:10 +01:00 • committed by Greta Yorsh
parent 7b920a9ac3
commit f3a81b39c0
4 changed files with 33 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2013-05-02 Greta Yorsh <Greta.Yorsh@arm.com>
PR target/56732
* config/arm/arm.c (arm_expand_epilogue): Check really_return before
generating simple_return for naked functions.
2013-05-02 Martin Jambor <mjambor@suse.cz>
PR middle-end/56988

3
gcc/config/arm/arm.c
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@ -24114,7 +24114,8 @@ arm_expand_epilogue (bool really_return)
if (IS_NAKED (func_type)
|| (IS_VOLATILE (func_type) && TARGET_ABORT_NORETURN))
{
emit_jump_insn (simple_return_rtx);
if (really_return)
emit_jump_insn (simple_return_rtx);
return;
}

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2013-05-02 Greta Yorsh <Greta.Yorsh@arm.com>
PR target/56732
* gcc.target/arm/pr56732-1.c: New test.
2013-05-02 Martin Jambor <mjambor@suse.cz>
PR middle-end/56988

20
gcc/testsuite/gcc.target/arm/pr56732-1.c Normal file
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@ -0,0 +1,20 @@
/* { dg-do compile } */
/* { dg-require-effective-target naked_functions } */
/* { dg-options "-O2 -Wall" } */
extern void bar();
void __attribute__((__naked__))
foo(void)
{
bar ();
}
int __attribute__((naked))
zoo (int a, int b, int c, int d, int e, int f)
{
bar ();
return e;
}
/* Verify that __attribute__((naked)) produces a naked function that
does not use bx to return. */
/* { dg-final { scan-assembler-not "\tbx\tlr" } } */