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| author | Steve Ellcey <sje@cup.hp.com> | 2004-03-04 21:21:36 +0000 |
|---|---|---|
| committer | Steve Ellcey <sje@gcc.gnu.org> | 2004-03-04 21:21:36 +0000 |
| commit | aa42f99db9e8d53813493550e4237db403cbedd2 (patch) | |
| tree | edecb1ac540effb999058b7890aead137e40f670 /gcc | |
| parent | 56bab4461e068180a6221184fc399adadc909035 (diff) | |
| download | gcc-aa42f99db9e8d53813493550e4237db403cbedd2.zip gcc-aa42f99db9e8d53813493550e4237db403cbedd2.tar.gz gcc-aa42f99db9e8d53813493550e4237db403cbedd2.tar.bz2 | |
ia64.md (divdf3_internal_thr): Fix algorithm.
* config/ia64/ia64.md (divdf3_internal_thr): Fix algorithm.
* testsuite/gcc.dg/20040303-1.c: New test.
From-SVN: r78934
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/ia64/ia64.md | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/20040303-1.c | 20 |
3 files changed, 26 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 85b7c0e..16fa29c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-03-04 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/ia64.md (divdf3_internal_thr): Fix algorithm. + * testsuite/gcc.dg/20040303-1.c: New test. + 2004-03-04 Steven Bosscher <stevenb@suse.de> * ppro.md: Rewrite as a DFA pipeline description. diff --git a/gcc/config/ia64/ia64.md b/gcc/config/ia64/ia64.md index 39694b1..1c0cc12 100644 --- a/gcc/config/ia64/ia64.md +++ b/gcc/config/ia64/ia64.md @@ -3177,7 +3177,7 @@ (cond_exec (ne (match_dup 5) (const_int 0)) (parallel [(set (match_dup 9) (float_truncate:DF - (mult:XF (match_dup 7) (match_dup 3)))) + (mult:XF (match_dup 7) (match_dup 6)))) (use (const_int 1))])) (cond_exec (ne (match_dup 5) (const_int 0)) (parallel [(set (match_dup 4) diff --git a/gcc/testsuite/gcc.dg/20040303-1.c b/gcc/testsuite/gcc.dg/20040303-1.c new file mode 100644 index 0000000..3258538 --- /dev/null +++ b/gcc/testsuite/gcc.dg/20040303-1.c @@ -0,0 +1,20 @@ +/* Test floating point division on ia64. There was a bug in the + max-throughput version of the inline division code. Expecting an + exact value from a floating point expression is unwise but GCC + depends on it in allocno_compare. */ + +/* { dg-do run { target ia64-*-* } } */ +/* { dg-options "-minline-float-divide-max-throughput" { target ia64-*-* } } */ + +extern void abort (void); + +volatile int i = 24; +volatile int j = 30; +volatile int k = 1; + +int main() +{ + int pri2 = (((double) i / j) * (10000 / 1000) * k); + if (pri2 != 8) abort(); + return 0; +} |