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regcprop.c (copyprop_hardreg_forward_1): Account for HARD_REGNO_CALL_PART_CLOBBERED.

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2014-06-04  Matthew Fortune  <matthew.fortune@imgtec.com>

gcc/
	* regcprop.c (copyprop_hardreg_forward_1): Account for 
	HARD_REGNO_CALL_PART_CLOBBERED.

From-SVN: r211230
This commit is contained in:
Matthew Fortune 2014-06-04 13:10:49 +00:00 committed by Andrew Bennett
parent 35987ae95d
commit 9ccac7012c
2 changed files with 9 additions and 3 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2014-06-04 Matthew Fortune <matthew.fortune@imgtec.com>
* regcprop.c (copyprop_hardreg_forward_1): Account for
HARD_REGNO_CALL_PART_CLOBBERED.
2014-06-04 Richard Biener <rguenther@suse.de>
* configure.ac: Check whether the underlying type of int64_t

7
gcc/regcprop.c
View File

@ -1012,7 +1012,6 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd)
unsigned int set_nregs = 0;
unsigned int regno;
rtx exp;
hard_reg_set_iterator hrsi;
for (exp = CALL_INSN_FUNCTION_USAGE (insn); exp; exp = XEXP (exp, 1))
{
@ -1031,8 +1030,10 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd)
}
}
EXECUTE_IF_SET_IN_HARD_REG_SET (regs_invalidated_by_call, 0, regno, hrsi)
if (regno < set_regno || regno >= set_regno + set_nregs)
for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++)
if ((TEST_HARD_REG_BIT (regs_invalidated_by_call, regno)
|| HARD_REGNO_CALL_PART_CLOBBERED (regno, vd->e[regno].mode))
&& (regno < set_regno || regno >= set_regno + set_nregs))
kill_value_regno (regno, 1, vd);
/* If SET was seen in CALL_INSN_FUNCTION_USAGE, and SET_SRC