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| author | Richard Kenner <kenner@gcc.gnu.org> | 1994-06-28 05:33:48 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1994-06-28 05:33:48 -0400 |
| commit | ab4a5fc941f08f7db76538aba22f91bc15fe7a17 (patch) | |
| tree | 999d5edd74dca61f8ea9efbfead0088ade283cff | |
| parent | bfbc64163320194077611f055a368d5144259fd3 (diff) | |
| download | gcc-ab4a5fc941f08f7db76538aba22f91bc15fe7a17.zip gcc-ab4a5fc941f08f7db76538aba22f91bc15fe7a17.tar.gz gcc-ab4a5fc941f08f7db76538aba22f91bc15fe7a17.tar.bz2 | |
(MEMORY_MOVE_COST): Make processor-dependent.
From-SVN: r7577
| -rw-r--r-- | gcc/config/rs6000/rs6000.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h index 947bc19..5b15aa9 100644 --- a/gcc/config/rs6000/rs6000.h +++ b/gcc/config/rs6000/rs6000.h @@ -485,7 +485,11 @@ extern char *rs6000_cpu_string; On the RS/6000, bump this up a bit. */ -#define MEMORY_MOVE_COST(MODE) 6 +#define MEMORY_MOVE_COST(MODE) \ + ((GET_MODE_CLASS (MODE) == MODE_FLOAT \ + && (rs6000_cpu == PROCESSOR_RIOS1 || rs6000_cpu == PROCESSOR_PPC601) \ + ? 3 : 2) \ + + 4) /* Specify the cost of a branch insn; roughly the number of extra insns that should be added to avoid a branch. |