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Various Mips64 floating point instruction patterns. 

llvm-svn: 144019
This commit is contained in:
Akira Hatanaka 2011-11-07 21:38:58 +00:00
parent b2d37760a2
commit 2216f73676
1 changed files with 18 additions and 3 deletions
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21
llvm/lib/Target/Mips/MipsInstrFPU.td
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@ -317,13 +317,28 @@ def : Pat<(f32 fpimm0), (MTC1 ZERO)>;
def : Pat<(f32 fpimm0neg), (FNEG_S (MTC1 ZERO))>;
def : Pat<(f32 (sint_to_fp CPURegs:$src)), (CVT_S_W (MTC1 CPURegs:$src))>;
def : Pat<(f64 (sint_to_fp CPURegs:$src)), (CVT_D32_W (MTC1 CPURegs:$src))>;
def : Pat<(i32 (fp_to_sint FGR32:$src)), (MFC1 (TRUNC_W_S FGR32:$src))>;
def : Pat<(i32 (fp_to_sint AFGR64:$src)), (MFC1 (TRUNC_W_D32 AFGR64:$src))>;
let Predicates = [NotFP64bit] in {
def : Pat<(f64 (sint_to_fp CPURegs:$src)), (CVT_D32_W (MTC1 CPURegs:$src))>;
def : Pat<(i32 (fp_to_sint AFGR64:$src)), (MFC1 (TRUNC_W_D32 AFGR64:$src))>;
def : Pat<(f32 (fround AFGR64:$src)), (CVT_S_D32 AFGR64:$src)>;
def : Pat<(f64 (fextend FGR32:$src)), (CVT_D32_S FGR32:$src)>;
}
let Predicates = [IsFP64bit] in {
def : Pat<(f64 fpimm0), (DMTC1 ZERO_64)>;
def : Pat<(f64 fpimm0neg), (FNEG_D64 (DMTC1 ZERO_64))>;
def : Pat<(f64 (sint_to_fp CPURegs:$src)), (CVT_D64_W (MTC1 CPURegs:$src))>;
def : Pat<(f32 (sint_to_fp CPU64Regs:$src)),
(CVT_S_L (DMTC1 CPU64Regs:$src))>;
def : Pat<(f64 (sint_to_fp CPU64Regs:$src)),
(CVT_D64_L (DMTC1 CPU64Regs:$src))>;
def : Pat<(i32 (fp_to_sint FGR64:$src)), (MFC1 (TRUNC_W_D64 FGR64:$src))>;
def : Pat<(i64 (fp_to_sint FGR64:$src)), (DMFC1 (TRUNC_L_D64 FGR64:$src))>;
def : Pat<(f32 (fround FGR64:$src)), (CVT_S_D64 FGR64:$src)>;
def : Pat<(f64 (fextend FGR32:$src)), (CVT_D64_S FGR32:$src)>;
}