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re PR tree-optimization/29290 (SPEC CPU2000 178.galgel ICE using -O3 -ftree-loop-linear)

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PR tree-optimization/29290
	* tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
	multiple exits.

	* gfortran.dg/loop_nest_1.f90: New test.

From-SVN: r117484
This commit is contained in:
Jakub Jelinek 2006-10-06 09:27:28 +02:00 • committed by Jakub Jelinek
parent c1a46941d4
commit 9731a71c57
4 changed files with 18 additions and 2 deletions
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4
gcc/ChangeLog
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@ -1,5 +1,9 @@
2006-10-06 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/29290
* tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
multiple exits.
PR target/29198
* config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
* config/i386/predicates.md (local_symbolic_operand): Likewise.

3
gcc/testsuite/ChangeLog
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@ -1,5 +1,8 @@
2006-10-06 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/29290
* gfortran.dg/loop_nest_1.f90: New test.
PR target/29198
* gcc.dg/tls/opt-12.c: New test.

9
gcc/testsuite/gfortran.dg/loop_nest_1.f90 Normal file
View file

@ -0,0 +1,9 @@
! PR tree-optimization/29290
! { dg-do compile }
! { dg-options "-O3 -ftree-loop-linear" }
subroutine pr29290 (a, b, c, d)
integer c, d
real*8 a(c,c), b(c,c)
a(1:d,1:d) = b(1:d,1:d)
end

4
gcc/tree-loop-linear.c
View file

@ -265,12 +265,12 @@ linear_transform_loops (struct loops *loops)
{
...
}
for (j = 0; j < 50; j++)
for (j = 0; j < 50; j++)
{
...
}
} */
if (!loop_nest || !loop_nest->inner)
if (!loop_nest || !loop_nest->inner || !loop_nest->single_exit)
continue;
VEC_truncate (tree, oldivs, 0);
VEC_truncate (tree, invariants, 0);