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| author | Stephen L Moshier <moshier@mediaone.net> | 1999-12-12 18:38:14 +0000 |
|---|---|---|
| committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 1999-12-12 18:38:14 +0000 |
| commit | f0b60c1c2bbc488f1f8fe4de13a2263e21ad66ea (patch) | |
| tree | d39666a2ad34db4b3a2aabb901fa99796de869d7 | |
| parent | f54a7f6fe2ad7880795807b573192edafe5e046d (diff) | |
| download | gcc-f0b60c1c2bbc488f1f8fe4de13a2263e21ad66ea.zip gcc-f0b60c1c2bbc488f1f8fe4de13a2263e21ad66ea.tar.gz gcc-f0b60c1c2bbc488f1f8fe4de13a2263e21ad66ea.tar.bz2 | |
loop.c (load_mems): Don't hoist written floating point mem if -ffloat-store.
* loop.c (load_mems): Don't hoist written floating point mem
if -ffloat-store.
From-SVN: r30875
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/loop.c | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 315e748..2d204bb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +1999-12-12 Stephen L Moshier <moshier@mediaone.net> + + * loop.c (load_mems): Don't hoist written floating point mem + if -ffloat-store. + 1999-12-12 Mark Mitchell <mark@codesourcery.com> * except.h (struct eh_queue): Add `next' pointer. @@ -9825,7 +9825,11 @@ load_mems (scan_start, end, loop_top, start) } mem_list_entry = XEXP (mem_list_entry, 1); } - + + if (flag_float_store && written + && GET_MODE_CLASS (GET_MODE (mem)) == MODE_FLOAT) + loop_mems[i].optimize = 0; + /* If this MEM is written to, we must be sure that there are no reads from another MEM that aliases this one. */ if (loop_mems[i].optimize && written) |