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re PR testsuite/86540 (pr77445-2.c and ssa-dom-thread-7.c regressions since May 20, 2018)

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PR testsuite/86540
	* gcc.dg/tree-ssa/ssa-dom-thread-7.c: Skip the post switch conversion
	tests on aarch64.
	* gcc.dg/tree-ssa/pr77445-2.c: Similarly.

From-SVN: r266857
This commit is contained in:
Jeff Law 2018-12-06 08:35:34 -07:00 committed by Jeff Law
parent f11854d42a
commit 415937b37d
3 changed files with 19 additions and 5 deletions
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7
gcc/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2018-12-06 Jeff Law <law@redhat.com>
PR testsuite/86540
* gcc.dg/tree-ssa/ssa-dom-thread-7.c: Skip the post switch conversion
tests on aarch64.
* gcc.dg/tree-ssa/pr77445-2.c: Similarly.
2018-12-06 David Malcolm <dmalcolm@redhat.com>
PR c++/85110

10
gcc/testsuite/gcc.dg/tree-ssa/pr77445-2.c
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@ -118,10 +118,14 @@ enum STATES FMS( u8 **in , u32 *transitions) {
/* The profile is not updated perfectly because it is inconsitent from
profile estimation stage. But the number of inconsistencies should not
increase much. */
increase much.
aarch64 has the highest CASE_VALUES_THRESHOLD in GCC. It's high enough
to change decisions in switch expansion which in turn can expose new
jump threading opportunities. Skip the later tests on aarch64. */
/* { dg-final { scan-tree-dump "Jumps threaded: 1\[1-9\]" "thread1" } } */
/* { dg-final { scan-tree-dump-times "Invalid sum" 3 "thread1" } } */
/* { dg-final { scan-tree-dump-not "not considered" "thread1" } } */
/* { dg-final { scan-tree-dump-not "not considered" "thread2" } } */
/* { dg-final { scan-tree-dump-not "not considered" "thread3" } } */
/* { dg-final { scan-tree-dump-not "not considered" "thread4" } } */
/* { dg-final { scan-tree-dump-not "not considered" "thread3" { target { ! aarch64*-*-* } } } } */
/* { dg-final { scan-tree-dump-not "not considered" "thread4" { target { ! aarch64*-*-* } } } } */

7
gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-7.c
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@ -3,8 +3,11 @@
/* { dg-final { scan-tree-dump "Jumps threaded: 16" "thread1" } } */
/* { dg-final { scan-tree-dump "Jumps threaded: 9" "thread2" } } */
/* { dg-final { scan-tree-dump "Jumps threaded: 1" "dom2" } } */
/* { dg-final { scan-tree-dump-not "Jumps threaded" "dom3" } } */
/* { dg-final { scan-tree-dump-not "Jumps threaded" "vrp2" } } */
/* aarch64 has the highest CASE_VALUES_THRESHOLD in GCC. It's high enough
to change decisions in switch expansion which in turn can expose new
jump threading opportunities. Skip the later tests on aarch64. */
/* { dg-final { scan-tree-dump-not "Jumps threaded" "dom3" { target { ! aarch64*-*-* } } } } */
/* { dg-final { scan-tree-dump-not "Jumps threaded" "vrp2" { target { ! aarch64*-*-* } } } } */
/* Most architectures get 3 threadable paths here, whereas aarch64 and
possibly others get 5. We really should rewrite threading tests to