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PR testsuite/92127: Disable unrolling for some vect code model cases

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2019-11-01  Kewen Lin  <linkw@gcc.gnu.org>

  PR testsuite/92127
  * gcc.dg/vect/costmodel/ppc/costmodel-pr37194.c: Disable unroll.
  * gcc.dg/vect/costmodel/ppc/costmodel-fast-math-vect-pr29925.c: Likewise.

From-SVN: r277704
This commit is contained in:
Kewen Lin 2019-11-01 07:11:12 +00:00
parent 52c826885f
commit 271da73284
3 changed files with 11 additions and 0 deletions
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7
gcc/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2019-11-01 Kewen Lin <linkw@gcc.gnu.org>
PR testsuite/92127
* gcc.dg/vect/costmodel/ppc/costmodel-pr37194.c: Disable unroll.
* gcc.dg/vect/costmodel/ppc/costmodel-fast-math-vect-pr29925.c:
Likewise.
2019-10-31 Alexandre Oliva <oliva@adacore.com>
* gcc.misc-tests/help.exp: Test --help=common for full sentences.

2
gcc/testsuite/gcc.dg/vect/costmodel/ppc/costmodel-fast-math-vect-pr29925.c
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@ -13,6 +13,8 @@ interp_pitch(float *exc, float *interp, int pitch, int len)
for (i=0;i<len;i++)
{
float tmp = 0;
/* PR92127, disable unroll to avoid unexpected profit calculation. */
#pragma GCC unroll 0
for (k=0;k<7;k++)
{
tmp += exc[i-pitch+k+maxj-6];

2
gcc/testsuite/gcc.dg/vect/costmodel/ppc/costmodel-pr37194.c
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@ -9,6 +9,8 @@ ggSpectrum_Set8(float * data, float d)
{
int i;
/* PR92127, disable unroll to avoid unexpected profit calculation. */
#pragma GCC unroll 0
for (i = 0; i < 8; i++)
data[i] = d;
}