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re PR target/58271 (ICE in gcc for a MIPS target during compilation with -mpaired-single -ftree-vectorize)

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gcc/
	PR target/58271
	* config/mips/mips.c (mips_option_override): Promote -mpaired-single
	warning to an error.  Disable TARGET_PAIRED_SINGLE and TARGET_MIPS3D
	if they can't be used.

From-SVN: r208425
This commit is contained in:
Richard Sandiford 2014-03-08 09:27:23 +00:00 committed by Richard Sandiford
parent 4e185d7cee
commit bd65fc8782
2 changed files with 22 additions and 6 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2014-03-08 Richard Sandiford <rdsandiford@googlemail.com>
PR target/58271
* config/mips/mips.c (mips_option_override): Promote -mpaired-single
warning to an error. Disable TARGET_PAIRED_SINGLE and TARGET_MIPS3D
if they can't be used.
2014-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure.ac (HAVE_AS_IX86_TLSLDMPLT): Improve test for Solaris

21
gcc/config/mips/mips.c
View File

@ -17206,15 +17206,24 @@ mips_option_override (void)
/* Make sure that when TARGET_PAIRED_SINGLE_FLOAT is true, TARGET_FLOAT64
and TARGET_HARD_FLOAT_ABI are both true. */
if (TARGET_PAIRED_SINGLE_FLOAT && !(TARGET_FLOAT64 && TARGET_HARD_FLOAT_ABI))
error ("%qs must be used with %qs",
TARGET_MIPS3D ? "-mips3d" : "-mpaired-single",
TARGET_HARD_FLOAT_ABI ? "-mfp64" : "-mhard-float");
{
error ("%qs must be used with %qs",
TARGET_MIPS3D ? "-mips3d" : "-mpaired-single",
TARGET_HARD_FLOAT_ABI ? "-mfp64" : "-mhard-float");
target_flags &= ~MASK_PAIRED_SINGLE_FLOAT;
TARGET_MIPS3D = 0;
}
/* Make sure that the ISA supports TARGET_PAIRED_SINGLE_FLOAT when it is
enabled. */
/* Make sure that -mpaired-single is only used on ISAs that support it.
We must disable it otherwise since it relies on other ISA properties
like ISA_HAS_8CC having their normal values. */
if (TARGET_PAIRED_SINGLE_FLOAT && !ISA_HAS_PAIRED_SINGLE)
warning (0, "the %qs architecture does not support paired-single"
{
error ("the %qs architecture does not support paired-single"
" instructions", mips_arch_info->name);
target_flags &= ~MASK_PAIRED_SINGLE_FLOAT;
TARGET_MIPS3D = 0;
}
if (mips_r10k_cache_barrier != R10K_CACHE_BARRIER_NONE
&& !TARGET_CACHE_BUILTIN)