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authorSjoerd Meijer <sjoerd.meijer@arm.com>2018-01-29 11:28:06 +0000
committerSjoerd Meijer <sjoerd.meijer@arm.com>2018-01-29 11:28:06 +0000
commit3ddb7fb6637242cfd871ef22ea240d3669e61c34 (patch)
tree5f268c30481ba84f5a87b4217118034528a99b25 /llvm/lib
parent02d4e50e9d68953ef718c9603774dba064bb2de3 (diff)
downloadbcm5719-llvm-3ddb7fb6637242cfd871ef22ea240d3669e61c34.tar.gz
bcm5719-llvm-3ddb7fb6637242cfd871ef22ea240d3669e61c34.zip
[ARM] FP16Pat and FullFP16Pat patterns. NFC.
Create and use FP16Pat FullFP16Pat helper patterns to make the difference explicit. Differential Revision: https://reviews.llvm.org/D42634 llvm-svn: 323640
Diffstat (limited to 'llvm/lib')
-rw-r--r--llvm/lib/Target/ARM/ARMInstrFormats.td6
-rw-r--r--llvm/lib/Target/ARM/ARMInstrVFP.td20
2 files changed, 16 insertions, 10 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrFormats.td b/llvm/lib/Target/ARM/ARMInstrFormats.td
index 7b90e960f53..70aded247f6 100644
--- a/llvm/lib/Target/ARM/ARMInstrFormats.td
+++ b/llvm/lib/Target/ARM/ARMInstrFormats.td
@@ -1024,6 +1024,12 @@ class Thumb2DSPPat<dag pattern, dag result> : Pat<pattern, result> {
class Thumb2DSPMulPat<dag pattern, dag result> : Pat<pattern, result> {
list<Predicate> Predicates = [IsThumb2, UseMulOps, HasDSP];
}
+class FP16Pat<dag pattern, dag result> : Pat<pattern, result> {
+ list<Predicate> Predicates = [HasFP16];
+}
+class FullFP16Pat<dag pattern, dag result> : Pat<pattern, result> {
+ list<Predicate> Predicates = [HasFullFP16];
+}
//===----------------------------------------------------------------------===//
// Thumb Instruction Format Definitions.
//
diff --git a/llvm/lib/Target/ARM/ARMInstrVFP.td b/llvm/lib/Target/ARM/ARMInstrVFP.td
index cf558b533af..bfc6cd57fc6 100644
--- a/llvm/lib/Target/ARM/ARMInstrVFP.td
+++ b/llvm/lib/Target/ARM/ARMInstrVFP.td
@@ -674,8 +674,8 @@ def VCVTBHS: ASuI<0b11101, 0b11, 0b0010, 0b01, 0, (outs SPR:$Sd), (ins SPR:$Sm),
Requires<[HasFP16]>,
Sched<[WriteFPCVT]>;
-def : Pat<(f32 (fpextend HPR:$Sm)),
- (VCVTBHS (COPY_TO_REGCLASS HPR:$Sm, SPR))>;
+def : FullFP16Pat<(f32 (fpextend HPR:$Sm)),
+ (VCVTBHS (COPY_TO_REGCLASS HPR:$Sm, SPR))>;
def VCVTBSH: ASuI<0b11101, 0b11, 0b0011, 0b01, 0, (outs SPR:$Sd), (ins SPR:$Sm),
/* FIXME */ IIC_fpCVTHS, "vcvtb", ".f16.f32\t$Sd, $Sm",
@@ -750,17 +750,17 @@ def VCVTTDH : ADuI<0b11101, 0b11, 0b0011, 0b11, 0,
let Inst{5} = Dm{4};
}
-def : Pat<(fp_to_f16 SPR:$a),
- (i32 (COPY_TO_REGCLASS (VCVTBSH SPR:$a), GPR))>;
+def : FP16Pat<(fp_to_f16 SPR:$a),
+ (i32 (COPY_TO_REGCLASS (VCVTBSH SPR:$a), GPR))>;
-def : Pat<(fp_to_f16 (f64 DPR:$a)),
- (i32 (COPY_TO_REGCLASS (VCVTBDH DPR:$a), GPR))>;
+def : FP16Pat<(fp_to_f16 (f64 DPR:$a)),
+ (i32 (COPY_TO_REGCLASS (VCVTBDH DPR:$a), GPR))>;
-def : Pat<(f16_to_fp GPR:$a),
- (VCVTBHS (COPY_TO_REGCLASS GPR:$a, SPR))>;
+def : FP16Pat<(f16_to_fp GPR:$a),
+ (VCVTBHS (COPY_TO_REGCLASS GPR:$a, SPR))>;
-def : Pat<(f64 (f16_to_fp GPR:$a)),
- (VCVTBHD (COPY_TO_REGCLASS GPR:$a, SPR))>;
+def : FP16Pat<(f64 (f16_to_fp GPR:$a)),
+ (VCVTBHD (COPY_TO_REGCLASS GPR:$a, SPR))>;
multiclass vcvt_inst<string opc, bits<2> rm,
SDPatternOperator node = null_frag> {
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