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| author | Pat Haugen <pthaugen@us.ibm.com> | 2005-03-25 20:10:38 +0000 |
|---|---|---|
| committer | David Edelsohn <dje@gcc.gnu.org> | 2005-03-25 15:10:38 -0500 |
| commit | 90faeb2812dd06581e64a06d62e59c5ea084d926 (patch) | |
| tree | fe93ea51caade3298ebfe2e6e6f483e8258032c8 | |
| parent | a10d70babdbb3018f3ad9824b2158779844a7999 (diff) | |
| download | gcc-90faeb2812dd06581e64a06d62e59c5ea084d926.zip gcc-90faeb2812dd06581e64a06d62e59c5ea084d926.tar.gz gcc-90faeb2812dd06581e64a06d62e59c5ea084d926.tar.bz2 | |
re PR tree-optimization/20470 (Branching sequence generated for ABS(x-y))
2005-03-25 Pat Haugen <pthaugen@us.ibm.com>
PR tree-optimization/20470
* gcc.dg/tree-ssa/pr20470.c: New test.
From-SVN: r97063
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr20470.c | 14 |
2 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 7594edc..24ac11d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2005-03-25 Pat Haugen <pthaugen@us.ibm.com> + + PR tree-optimization/20470 + * gcc.dg/tree-ssa/pr20470.c: New test. + 2005-03-25 Geoffrey Keating <geoffk@apple.com> * gcc.dg/ppc-stfiwx.c: New. diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr20470.c b/gcc/testsuite/gcc.dg/tree-ssa/pr20470.c new file mode 100644 index 0000000..7a837c8 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr20470.c @@ -0,0 +1,14 @@ +/* { dg-do compile } */ +/* { dg-options "-fdump-tree-generic" } */ + +/* PR tree-optimization/20470: + Missing fold to abs(x) when x == MINUS_EXPR. */ +#define abs(x) ((x) >= 0 ? (x) : -(x)) + +int i,j,k; +void f1() +{ + i = abs(j-k); +} + +/* { dg-final { scan-tree-dump-times "ABS_EXPR" 1 "generic" } } */ |