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| author | m.hayes <m.hayes@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-02-12 02:41:28 +0000 |
|---|---|---|
| committer | m.hayes <m.hayes@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-02-12 02:41:28 +0000 |
| commit | 6fabf6dff400207565a055fe3a714ebdddb7ad74 (patch) | |
| tree | a5e393fee9494b8245b8e778c0eca37c5777b1e0 /gcc/config/c4x | |
| parent | e128a39e5d652e681f9c7a8aead3b970a000b13e (diff) | |
| download | gcc-6fabf6dff400207565a055fe3a714ebdddb7ad74.tar.gz | |
* config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
(While this patch fixed GIV combination for complex arithmetic
it screwed up generation of autoincrement addresses for the common cases.)
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@25163 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/c4x')
| -rw-r--r-- | gcc/config/c4x/c4x.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/gcc/config/c4x/c4x.c b/gcc/config/c4x/c4x.c index d12d985d61e..c1309f15ea9 100644 --- a/gcc/config/c4x/c4x.c +++ b/gcc/config/c4x/c4x.c @@ -1526,14 +1526,8 @@ rtx addr; break; case REG: - /* Paradoxically, if we want autoincrement addressing for - complex arithmetic and structure arrays, we must give - REG+REG addressing the same cost as REG addressing to - prevent CSE from avoiding REG+REG addresses. This is - because GIV combination in loop.c is suboptimal and - needs fixing. */ - if (flag_strength_reduce) - return 1; + /* This cost for REG+REG must be greater than the cost + for REG if we want autoincrement addressing modes. */ return 2; case CONST_INT: |