diff options
| author | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-01-04 16:36:57 +0000 |
|---|---|---|
| committer | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-01-04 16:36:57 +0000 |
| commit | 0d9f413edbafbfe7627665e9f8431e6fb3e58cf5 (patch) | |
| tree | a8ea4e27791601eb65b0bcce4ee32bcd22e27a84 | |
| parent | 927b511f7eac5563ce4fbbd32dee24e10ef52357 (diff) | |
| download | ppe42-gcc-0d9f413edbafbfe7627665e9f8431e6fb3e58cf5.tar.gz ppe42-gcc-0d9f413edbafbfe7627665e9f8431e6fb3e58cf5.zip | |
* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120442 138bc75d-0d04-0410-961f-82ee72b054a4
| -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 602f2e7e328..c6b21eb1b69 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 15f263ab016..7ef7551764f 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; } |
