mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-04-05 10:50:51 +08:00
Code Issues Packages Projects Releases Wiki Activity

re PR rtl-optimization/59959 (LRA ICEs on a fortran case(Suspected to be similar to pr59915))

Browse Source 
2014-01-30  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/59959
	* lra-constrains.c (simplify_operand_subreg): Assign NO_REGS to
	any reload of register whose subreg is invalid.

From-SVN: r207323
This commit is contained in:
Vladimir Makarov 2014-01-30 21:15:51 +00:00 committed by Vladimir Makarov
parent 6fb82517e8
commit 7613fa5075
2 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2014-01-30 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/59959
* lra-constrains.c (simplify_operand_subreg): Assign NO_REGS to
any reload of register whose subreg is invalid.
2014-01-30 Jakub Jelinek <jakub@redhat.com>
* config/i386/f16cintrin.h (_cvtsh_ss): Avoid -Wnarrowing

7
gcc/lra-constraints.c
View File

@ -1293,11 +1293,8 @@ simplify_operand_subreg (int nop, enum machine_mode reg_mode)
{
enum reg_class rclass;
if (REG_P (reg)
&& curr_insn_set != NULL_RTX
&& (REG_P (SET_SRC (curr_insn_set))
|| GET_CODE (SET_SRC (curr_insn_set)) == SUBREG))
/* There is big probability that we will get the same class
if (REG_P (reg))
/* There is a big probability that we will get the same class
for the new pseudo and we will get the same insn which
means infinite looping. So spill the new pseudo. */
rclass = NO_REGS;