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spu.c (spu_machine_dependent_reorg): Make sure branch label on hint instruction is correct. 

* spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
	instruction is correct.

From-SVN: r146852
This commit is contained in:
Trevor Smigiel 2009-04-27 19:33:20 +00:00 committed by Trevor Smigiel
parent 060717fcc5
commit 6e37f6d40e
2 changed files with 25 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2009-04-27 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
* spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
instruction is correct.
2009-04-27 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
Allow non-constant arguments to conversion intrinsics.

19
gcc/config/spu/spu.c
View File

@ -2764,6 +2764,25 @@ spu_machine_dependent_reorg (void)
pad_bb ();
for (insn = get_insns (); insn; insn = NEXT_INSN (insn))
if (NONJUMP_INSN_P (insn) && INSN_CODE (insn) == CODE_FOR_hbr)
{
/* Adjust the LABEL_REF in a hint when we have inserted a nop
between its branch label and the branch . We don't move the
label because GCC expects it at the beginning of the block. */
rtx unspec = SET_SRC (XVECEXP (PATTERN (insn), 0, 0));
rtx label_ref = XVECEXP (unspec, 0, 0);
rtx label = XEXP (label_ref, 0);
rtx branch;
int offset = 0;
for (branch = NEXT_INSN (label);
!JUMP_P (branch) && !CALL_P (branch);
branch = NEXT_INSN (branch))
if (NONJUMP_INSN_P (branch))
offset += get_attr_length (branch);
if (offset > 0)
XVECEXP (unspec, 0, 0) = plus_constant (label_ref, offset);
}
if (spu_flag_var_tracking)
{