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| author | Joseph Myers <joseph@codesourcery.com> | 2007-01-04 16:36:57 +0000 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2007-01-04 16:36:57 +0000 |
| commit | 762c919f44677099fd2fe3e8c7e4d98ac1dca287 (patch) | |
| tree | a8ea4e27791601eb65b0bcce4ee32bcd22e27a84 /gcc | |
| parent | 705e2d28a1c830064e0bc77fd7e37f7e73b01516 (diff) | |
| download | gcc-762c919f44677099fd2fe3e8c7e4d98ac1dca287.zip gcc-762c919f44677099fd2fe3e8c7e4d98ac1dca287.tar.gz gcc-762c919f44677099fd2fe3e8c7e4d98ac1dca287.tar.bz2 | |
rs6000.c (rs6000_rtx_costs): Make adjustment for MULT inside MINUS as either argument.
* config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
MULT inside MINUS as either argument. Use rs6000_cost->dmul -
rs6000_cost->fp not 0 as adjustment for outer NEG.
From-SVN: r120442
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 5 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 602f2e7..c6b21eb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2007-01-04 Joseph Myers <joseph@codesourcery.com> + + * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for + MULT inside MINUS as either argument. Use rs6000_cost->dmul - + rs6000_cost->fp not 0 as adjustment for outer NEG. + 2007-01-04 Jan Hubicka <jh@suse.cz> * cgraph.c (cgraph_release_function_body): New function. diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 15f263a..7ef7551 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -19738,11 +19738,12 @@ rs6000_rtx_costs (rtx x, int code, int outer_code, int *total) case MINUS: if (mode == DFmode) { - if (GET_CODE (XEXP (x, 0)) == MULT) + if (GET_CODE (XEXP (x, 0)) == MULT + || GET_CODE (XEXP (x, 1)) == MULT) { /* FNMA accounted in outer NEG. */ if (outer_code == NEG) - *total = 0; + *total = rs6000_cost->dmul - rs6000_cost->fp; else *total = rs6000_cost->dmul; } |