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Allow MODE_PARTIAL_INT modes for integer constant input operands.

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gcc/
	PR other/92090
	* config/rs6000/predicates.md (input_operand): Allow MODE_PARTIAL_INT
	modes for integer constants.

gcc/testsuite/
	PR other/92090
	* gcc.target/powerpc/pr92090.c: New test.

From-SVN: r277928
This commit is contained in:
Peter Bergner 2019-11-07 18:48:45 +00:00 • committed by Peter Bergner
parent d380e329a7
commit 8b4f2b5e08
4 changed files with 54 additions and 2 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2019-11-07 Peter Bergner <bergner@linux.ibm.com>
PR other/92090
* config/rs6000/predicates.md (input_operand): Allow MODE_PARTIAL_INT
modes for integer constants.
2019-11-07 Jan Hubicka <jh@suse.cz>
PR ipa/92406

3
gcc/config/rs6000/predicates.md
View file

@ -1047,8 +1047,7 @@
return 1;
/* Allow any integer constant. */
if (GET_MODE_CLASS (mode) == MODE_INT
&& CONST_SCALAR_INT_P (op))
if (SCALAR_INT_MODE_P (mode) && CONST_SCALAR_INT_P (op))
return 1;
/* Allow easy vector constants. */

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2019-11-07 Peter Bergner <bergner@linux.ibm.com>
PR other/92090
* gcc.target/powerpc/pr92090.c: New test.
2019-11-07 Feng Xue <fxue@os.amperecomputing.com>
PR tree-optimization/89134

42
gcc/testsuite/gcc.target/powerpc/pr92090.c Normal file
View file

@ -0,0 +1,42 @@
/* { dg-do compile } */
/* { dg-options "-mdejagnu-cpu=power8 -Os -mbig" } */
/* Verify that we don't ICE. */
_Atomic int a;
_Atomic long double b, c;
int j;
void foo (void);
void bar (int, int, int, int);
void
bug (void)
{
b = 1;
int d, e, f, g;
while (a)
;
for (int h = 0; h < 10000; h++)
{
double i = b /= 3;
foo ();
if (i)
{
if (i == 1)
d++;
e++;
b = 0;
}
else
{
if (i == 2)
f++;
g++;
b = 1;
}
}
bar (d, e, f, g);
c = 1;
for (int h; h; h++)
j = 0;
}