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MIPS: Do not reload unallocated FP_REGS pseudos via GR_REGS

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gcc/

	* config/mips/mips.c (mips_secondary_reload_class): Handle
	regno < 0 case.

From-SVN: r215120
This commit is contained in:
Matthew Fortune 2014-09-10 10:52:39 +00:00 • committed by Matthew Fortune
parent 5625bd33a2
commit 99a5c6b06a
2 changed files with 8 additions and 2 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2014-09-10 Matthew Fortune <matthew.fortune@imgtec.com>
* config/mips/mips.c (mips_secondary_reload_class): Handle
regno < 0 case.
2014-09-10 Robert Suchanek <robert.suchanek@imgtec.com>
* lra-lives.c (process_bb_lives): Replace assignment with bitwise OR

5
gcc/config/mips/mips.c
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@ -12143,8 +12143,9 @@ mips_secondary_reload_class (enum reg_class rclass,
if (reg_class_subset_p (rclass, FP_REGS))
{
if (MEM_P (x)
&& (GET_MODE_SIZE (mode) == 4 || GET_MODE_SIZE (mode) == 8))
if (regno < 0
|| (MEM_P (x)
&& (GET_MODE_SIZE (mode) == 4 || GET_MODE_SIZE (mode) == 8)))
/* In this case we can use lwc1, swc1, ldc1 or sdc1. We'll use
pairs of lwc1s and swc1s if ldc1 and sdc1 are not supported. */
return NO_REGS;