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re PR target/79907 (ICE in extract_constrain_insn, at recog.c:2213 on ppc64le) 

PR target/79907
	* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
	TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
	* gcc.target/powerpc/pr79907.c: New.

From-SVN: r246029
This commit is contained in:
Pat Haugen 2017-03-10 14:32:42 +00:00 committed by Pat Haugen
parent 8823ce3f54
commit fc8f6304a9
4 changed files with 27 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2017-03-10 Pat Haugen <pthaugen@us.ibm.com>
PR target/79907
* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
2017-03-10 Martin Liska <mliska@suse.cz>
PR target/65705

2
gcc/config/rs6000/rs6000.c
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@ -3182,7 +3182,7 @@ rs6000_init_hard_regno_mode_ok (bool global_init_p)
else
rs6000_constraints[RS6000_CONSTRAINT_ws] = FLOAT_REGS;
if (TARGET_UPPER_REGS_DF) /* DImode */
if (TARGET_UPPER_REGS_DI) /* DImode */
rs6000_constraints[RS6000_CONSTRAINT_wi] = VSX_REGS;
else
rs6000_constraints[RS6000_CONSTRAINT_wi] = FLOAT_REGS;

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2017-03-10 Pat Haugen <pthaugen@us.ibm.com>
PR target/79907
* gcc.target/powerpc/pr79907.c: New.
2017-03-10 Olivier Hainque <hainque@adacore.com>
* gnat.dg/opt64.adb: New test.

15
gcc/testsuite/gcc.target/powerpc/pr79907.c Normal file
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@ -0,0 +1,15 @@
/* { dg-do compile { target { powerpc*-*-* } } } */
/* { dg-require-effective-target powerpc_p8vector_ok } */
/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
/* { dg-options "-mcpu=power8 -O3 -mno-upper-regs-df" } */
int foo (short a[], int x)
{
unsigned int i;
for (i = 0; i < 1000; i++)
{
x = a[i];
a[i] = (x <= 0 ? 0 : x);
}
return x;
}