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| author | Richard Sandiford <rdsandiford@googlemail.com> | 2012-08-26 19:19:31 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2012-08-26 19:19:31 +0000 |
| commit | 1209ab5ed6540a37f5b0afe0c494c5771ba515ab (patch) | |
| tree | 2aeb0fe5f8218124ea3971295e298cf86d3caada | |
| parent | 3f5685dc35e4fea18c19eb5c32337c3020f323fe (diff) | |
| download | gcc-1209ab5ed6540a37f5b0afe0c494c5771ba515ab.zip gcc-1209ab5ed6540a37f5b0afe0c494c5771ba515ab.tar.gz gcc-1209ab5ed6540a37f5b0afe0c494c5771ba515ab.tar.bz2 | |
mips.c (mips_rtx_costs): Add costs for CINS.
gcc/
* config/mips/mips.c (mips_rtx_costs): Add costs for CINS.
From-SVN: r190699
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/mips/mips.c | 12 |
2 files changed, 16 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 98aafc6..ae2bb1b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2012-08-26 Richard Sandiford <rdsandiford@googlemail.com> + * config/mips/mips.c (mips_rtx_costs): Add costs for CINS. + +2012-08-26 Richard Sandiford <rdsandiford@googlemail.com> + * config/mips/mips.c (mips_rtx_costs): Add missing COSTS_N_INSNS to the size cost of multiplication. diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index b8210de..1f0c9ae 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -3677,6 +3677,18 @@ mips_rtx_costs (rtx x, int code, int outer_code, int opno ATTRIBUTE_UNUSED, + set_src_cost (XEXP (x, 0), speed)); return true; } + if (ISA_HAS_CINS && CONST_INT_P (XEXP (x, 1))) + { + rtx op = XEXP (x, 0); + if (GET_CODE (op) == ASHIFT + && CONST_INT_P (XEXP (op, 1)) + && mask_low_and_shift_p (mode, XEXP (x, 1), XEXP (op, 1), 32)) + { + *total = COSTS_N_INSNS (1) + set_src_cost (XEXP (op, 0), speed); + return true; + } + } + /* Fall through. */ case IOR: |