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| author | Roger Sayle <roger@eyesopen.com> | 2004-06-30 12:46:52 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2004-06-30 12:46:52 +0000 |
| commit | 521903292cec2da89e5804e420245a006affd240 (patch) | |
| tree | feb19d5c4198e9734f5ec8d3694ba3879f4fdf66 /gcc | |
| parent | 4c6fd544cc2702f5ce92a7e12b8d287f48b140ad (diff) | |
| download | gcc-521903292cec2da89e5804e420245a006affd240.zip gcc-521903292cec2da89e5804e420245a006affd240.tar.gz gcc-521903292cec2da89e5804e420245a006affd240.tar.bz2 | |
rs6000.c (rs6000_rtx_costs): Handle subtractions identically to additions, always COSTS_N_INSNS (1).
* config/rs6000/rs6000.c (rs6000_rtx_costs) <MINUS_EXPR>: Handle
subtractions identically to additions, always COSTS_N_INSNS (1).
From-SVN: r83906
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e18d36f..fdd36d9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-06-30 Roger Sayle <roger@eyesopen.com> + + * config/rs6000/rs6000.c (rs6000_rtx_costs) <MINUS_EXPR>: Handle + subtractions identically to additions, always COSTS_N_INSNS (1). + 2004-06-30 J"orn Rennecke <joern.rennecke@superh.com> * expmed.c (expand_smod_pow2): Fix sign of mask. diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index f91e3f6..3102e54 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -16169,6 +16169,10 @@ rs6000_rtx_costs (rtx x, int code, int outer_code ATTRIBUTE_UNUSED, : COSTS_N_INSNS (1)); return true; + case MINUS: + *total = COSTS_N_INSNS (1); + return true; + case AND: case IOR: case XOR: |