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re PR target/58854 ("sub sp, fp, #40" hoisted above frame accesses)

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Fix PR target/58854

2013-10-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/58854
	* config/arm/arm.c (arm_expand_epilogue_apcs_frame): Emit blockage.

From-SVN: r204203
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Ramana Radhakrishnan 2013-10-30 10:54:04 +00:00 • committed by Ramana Radhakrishnan
parent 34a3fb96dc
commit 55ebf58738
2 changed files with 6 additions and 0 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2013-10-30 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
PR target/58854
* config/arm/arm.c (arm_expand_epilogue_apcs_frame): Emit blockage.
2013-10-30 Ilya Enkovich <ilya.enkovich@intel.com>
* tree-core.h (tree_index): Add TI_POINTER_BOUNDS_TYPE.

1
gcc/config/arm/arm.c
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@ -26547,6 +26547,7 @@ arm_expand_epilogue_apcs_frame (bool really_return)
num_regs = bit_count (saved_regs_mask);
if ((offsets->outgoing_args != (1 + num_regs)) || cfun->calls_alloca)
{
emit_insn (gen_blockage ());
/* Unwind the stack to just below the saved registers. */
emit_insn (gen_addsi3 (stack_pointer_rtx,
hard_frame_pointer_rtx,