summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Target/ARM/ARM.td
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/Target/ARM/ARM.td')
-rw-r--r--llvm/lib/Target/ARM/ARM.td17
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARM.td b/llvm/lib/Target/ARM/ARM.td
index 66bfd4c82e2..380eaa86368 100644
--- a/llvm/lib/Target/ARM/ARM.td
+++ b/llvm/lib/Target/ARM/ARM.td
@@ -303,6 +303,10 @@ def FeatureNonpipelinedVFP : SubtargetFeature<"nonpipelined-vfp",
def FeatureHasSlowFPVMLx : SubtargetFeature<"slowfpvmlx", "SlowFPVMLx", "true",
"Disable VFP / NEON MAC instructions">;
+// VFPv4 added VFMA instructions that can similar be fast or slow.
+def FeatureHasSlowFPVFMx : SubtargetFeature<"slowfpvfmx", "SlowFPVFMx", "true",
+ "Disable VFP / NEON FMA instructions">;
+
// Cortex-A8 / A9 Advanced SIMD has multiplier accumulator forwarding.
def FeatureVMLxForwarding : SubtargetFeature<"vmlx-forwarding",
"HasVMLxForwarding", "true",
@@ -588,6 +592,7 @@ def ProcExynos : SubtargetFeature<"exynos", "ARMProcFamily", "Exynos",
FeatureHWDivThumb,
FeatureHWDivARM,
FeatureHasSlowFPVMLx,
+ FeatureHasSlowFPVFMx,
FeatureHasRetAddrStack,
FeatureFuseLiterals,
FeatureFuseAES,
@@ -918,6 +923,7 @@ def : ProcessorModel<"cortex-a5", CortexA8Model, [ARMv7a, ProcA5,
FeatureTrustZone,
FeatureSlowFPBrcc,
FeatureHasSlowFPVMLx,
+ FeatureHasSlowFPVFMx,
FeatureVMLxForwarding,
FeatureMP,
FeatureVFP4]>;
@@ -928,6 +934,7 @@ def : ProcessorModel<"cortex-a7", CortexA8Model, [ARMv7a, ProcA7,
FeatureSlowFPBrcc,
FeatureHasVMLxHazards,
FeatureHasSlowFPVMLx,
+ FeatureHasSlowFPVFMx,
FeatureVMLxForwarding,
FeatureMP,
FeatureVFP4,
@@ -940,6 +947,7 @@ def : ProcessorModel<"cortex-a8", CortexA8Model, [ARMv7a, ProcA8,
FeatureSlowFPBrcc,
FeatureHasVMLxHazards,
FeatureHasSlowFPVMLx,
+ FeatureHasSlowFPVFMx,
FeatureVMLxForwarding]>;
def : ProcessorModel<"cortex-a9", CortexA9Model, [ARMv7a, ProcA9,
@@ -1009,6 +1017,7 @@ def : ProcessorModel<"swift", SwiftModel, [ARMv7a, ProcSwift,
FeatureAvoidPartialCPSR,
FeatureAvoidMOVsShOp,
FeatureHasSlowFPVMLx,
+ FeatureHasSlowFPVFMx,
FeatureHasVMLxHazards,
FeatureProfUnpredicate,
FeaturePrefISHSTBarrier,
@@ -1027,6 +1036,7 @@ def : ProcessorModel<"cortex-r4f", CortexA8Model, [ARMv7r, ProcR4,
FeatureHasRetAddrStack,
FeatureSlowFPBrcc,
FeatureHasSlowFPVMLx,
+ FeatureHasSlowFPVFMx,
FeatureVFP3_D16,
FeatureAvoidPartialCPSR]>;
@@ -1036,6 +1046,7 @@ def : ProcessorModel<"cortex-r5", CortexA8Model, [ARMv7r, ProcR5,
FeatureSlowFPBrcc,
FeatureHWDivARM,
FeatureHasSlowFPVMLx,
+ FeatureHasSlowFPVFMx,
FeatureAvoidPartialCPSR]>;
def : ProcessorModel<"cortex-r7", CortexA8Model, [ARMv7r, ProcR7,
@@ -1046,6 +1057,7 @@ def : ProcessorModel<"cortex-r7", CortexA8Model, [ARMv7r, ProcR7,
FeatureSlowFPBrcc,
FeatureHWDivARM,
FeatureHasSlowFPVMLx,
+ FeatureHasSlowFPVFMx,
FeatureAvoidPartialCPSR]>;
def : ProcessorModel<"cortex-r8", CortexA8Model, [ARMv7r,
@@ -1056,6 +1068,7 @@ def : ProcessorModel<"cortex-r8", CortexA8Model, [ARMv7r,
FeatureSlowFPBrcc,
FeatureHWDivARM,
FeatureHasSlowFPVMLx,
+ FeatureHasSlowFPVFMx,
FeatureAvoidPartialCPSR]>;
def : ProcessorModel<"cortex-m3", CortexM4Model, [ARMv7m,
@@ -1073,6 +1086,7 @@ def : ProcessorModel<"cortex-m4", CortexM4Model, [ARMv7em,
FeatureVFP4_D16_SP,
FeaturePrefLoopAlign32,
FeatureHasSlowFPVMLx,
+ FeatureHasSlowFPVFMx,
FeatureUseMISched,
FeatureHasNoBranchPredictor]>;
@@ -1087,6 +1101,7 @@ def : ProcessorModel<"cortex-m33", CortexM4Model, [ARMv8mMainline,
FeatureFPARMv8_D16_SP,
FeaturePrefLoopAlign32,
FeatureHasSlowFPVMLx,
+ FeatureHasSlowFPVFMx,
FeatureUseMISched,
FeatureHasNoBranchPredictor]>;
@@ -1095,6 +1110,7 @@ def : ProcessorModel<"cortex-m35p", CortexM4Model, [ARMv8mMainline,
FeatureFPARMv8_D16_SP,
FeaturePrefLoopAlign32,
FeatureHasSlowFPVMLx,
+ FeatureHasSlowFPVFMx,
FeatureUseMISched,
FeatureHasNoBranchPredictor]>;
@@ -1182,6 +1198,7 @@ def : ProcessorModel<"cyclone", SwiftModel, [ARMv8a, ProcSwift,
FeatureAvoidPartialCPSR,
FeatureAvoidMOVsShOp,
FeatureHasSlowFPVMLx,
+ FeatureHasSlowFPVFMx,
FeatureCrypto,
FeatureUseMISched,
FeatureZCZeroing,
OpenPOWER on IntegriCloud