diff options
| author | davem <davem@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-04-30 04:49:45 +0000 |
|---|---|---|
| committer | davem <davem@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-04-30 04:49:45 +0000 |
| commit | 55ebdd6582d6262d31860ca945eac2d259d638ce (patch) | |
| tree | 0b41dbdf5fc24acb0e5b5de716214d1ffc71f8db /gcc/config/sparc/sparc.h | |
| parent | d5908f53278969c5b94a6031d07152a2980ebdc5 (diff) | |
| download | ppe42-gcc-55ebdd6582d6262d31860ca945eac2d259d638ce.tar.gz ppe42-gcc-55ebdd6582d6262d31860ca945eac2d259d638ce.zip | |
2002-04-29 David S. Miller <davem@redhat.com>
* config/sparc/sparc.h (BRANCH_COST, PREFETCH_BLOCK,
SIMULTANEOUS_PREFETCHES): Tune for UltraSPARC-III.
* config/sparc/sparc.md (call + jmp 32-bit peepholes): Likewise.
* config/sparc/sparc.c (sparc_initialize_trampoline): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@52928 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/sparc/sparc.h')
| -rw-r--r-- | gcc/config/sparc/sparc.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h index 04dcbe3ab90..c86eb8ff21c 100644 --- a/gcc/config/sparc/sparc.h +++ b/gcc/config/sparc/sparc.h @@ -2642,14 +2642,14 @@ do { \ On v9 and later, which have branch prediction facilities, we set it to the depth of the pipeline as that is the cost of a - mispredicted branch. - - ??? Set to 9 when PROCESSOR_ULTRASPARC3 is added */ + mispredicted branch. */ #define BRANCH_COST \ ((sparc_cpu == PROCESSOR_V9 \ || sparc_cpu == PROCESSOR_ULTRASPARC) \ - ? 7 : 3) + ? 7 \ + : (sparc_cpu == PROCESSOR_ULTRASPARC3 \ + ? 9 : 3)) /* Provide the costs of a rtl expression. This is in the body of a switch on CODE. The purpose for the cost of MULT is to encourage @@ -2684,11 +2684,15 @@ do { \ return 19; #define PREFETCH_BLOCK \ - ((sparc_cpu == PROCESSOR_ULTRASPARC) ? 64 : 32) + ((sparc_cpu == PROCESSOR_ULTRASPARC \ + || sparc_cpu == PROCESSOR_ULTRASPARC3) \ + ? 64 : 32) -/* ??? UltraSPARC-III note: Can set this to 8 for ultra3. */ #define SIMULTANEOUS_PREFETCHES \ - ((sparc_cpu == PROCESSOR_ULTRASPARC) ? 2 : 3) + ((sparc_cpu == PROCESSOR_ULTRASPARC) \ + ? 2 \ + : (sparc_cpu == PROCESSOR_ULTRASPARC3 \ + ? 8 : 3)) /* Control the assembler format that we output. */ |
