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| author | Dale Johannesen <dalej@apple.com> | 2002-03-20 10:41:46 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2002-03-20 10:41:46 +0100 |
| commit | ed7d44bc74c5af2bd9e44ffe05b5b99c607fc614 (patch) | |
| tree | 79ccb4c2d3eb0b8df336075f26872944075fde6f /gcc | |
| parent | b525f5b0f7cccee5addcd54d84cdb86115ab1c7d (diff) | |
| download | gcc-ed7d44bc74c5af2bd9e44ffe05b5b99c607fc614.zip gcc-ed7d44bc74c5af2bd9e44ffe05b5b99c607fc614.tar.gz gcc-ed7d44bc74c5af2bd9e44ffe05b5b99c607fc614.tar.bz2 | |
PR optimization/5999, middle-end/5731
PR optimization/5999, middle-end/5731
* expr.c (expand_expr) [RDIV_EXPR]: Only convert real divisions into
multiplications by reciprocals.
* gcc.c-torture/compile/20020319-1.c: New test.
From-SVN: r51071
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/expr.c | 1 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/20020319-1.c | 10 |
4 files changed, 19 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9cf4c2a..47c6ca9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2002-03-19 Dale Johannesen <dalej@apple.com> + + PR optimization/5999, middle-end/5731 + * expr.c (expand_expr) [RDIV_EXPR]: Only convert real divisions into + multiplications by reciprocals. + 2002-03-20 Neil Booth <neil@daikokuya.demon.co.uk> * Makefile.in: Update. @@ -7738,6 +7738,7 @@ expand_expr (exp, target, tmode, modifier) expensive divide. If not, combine will rebuild the original computation. */ if (flag_unsafe_math_optimizations && optimize && !optimize_size + && TREE_CODE (type) == REAL_TYPE && !real_onep (TREE_OPERAND (exp, 0))) return expand_expr (build (MULT_EXPR, type, TREE_OPERAND (exp, 0), build (RDIV_EXPR, type, diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 0be8cdd..84baf80 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -4,6 +4,8 @@ * gcc.dg/struct-by-value-1.c: New test. + * gcc.c-torture/compile/20020319-1.c: New test. + 2002-03-18 Jakub Jelinek <jakub@redhat.com> * g++.dg/opt/conj1.C: New test. diff --git a/gcc/testsuite/gcc.dg/20020319-1.c b/gcc/testsuite/gcc.dg/20020319-1.c new file mode 100644 index 0000000..46a756d --- /dev/null +++ b/gcc/testsuite/gcc.dg/20020319-1.c @@ -0,0 +1,10 @@ +/* PR optimization/5999 + This testcase ICEd because one a/b -> a * (1/b) optimization + did not handle complex divides. */ +/* { dg-do compile } */ +/* { dg-options "-O2 -ffast-math" } */ + +__complex__ double foo (__complex__ double x, __complex__ double y) +{ + return x / y; +} |