[llvm] [RISCV] Simplify macros used for commuting vector multiply-accumulate instructions. NFC (PR #144169)
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Fri Jun 13 15:45:28 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-risc-v
Author: Craig Topper (topperc)
<details>
<summary>Changes</summary>
Inline some macros that were only instantiated once. Remove unused macros
---
Full diff: https://github.com/llvm/llvm-project/pull/144169.diff
1 Files Affected:
- (modified) llvm/lib/Target/RISCV/RISCVInstrInfo.cpp (+22-43)
``````````diff
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp b/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
index e5d29e1a8b476..8a09067ecfc64 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
@@ -3573,24 +3573,15 @@ std::string RISCVInstrInfo::createMIROperandComment(
#define CASE_VMA_OPCODE_COMMON(OP, TYPE, LMUL) \
RISCV::PseudoV##OP##_##TYPE##_##LMUL
-#define CASE_VMA_OPCODE_LMULS_M1(OP, TYPE) \
- CASE_VMA_OPCODE_COMMON(OP, TYPE, M1): \
+#define CASE_VMA_OPCODE_LMULS(OP, TYPE) \
+ CASE_VMA_OPCODE_COMMON(OP, TYPE, MF8): \
+ case CASE_VMA_OPCODE_COMMON(OP, TYPE, MF4): \
+ case CASE_VMA_OPCODE_COMMON(OP, TYPE, MF2): \
+ case CASE_VMA_OPCODE_COMMON(OP, TYPE, M1): \
case CASE_VMA_OPCODE_COMMON(OP, TYPE, M2): \
case CASE_VMA_OPCODE_COMMON(OP, TYPE, M4): \
case CASE_VMA_OPCODE_COMMON(OP, TYPE, M8)
-#define CASE_VMA_OPCODE_LMULS_MF2(OP, TYPE) \
- CASE_VMA_OPCODE_COMMON(OP, TYPE, MF2): \
- case CASE_VMA_OPCODE_LMULS_M1(OP, TYPE)
-
-#define CASE_VMA_OPCODE_LMULS_MF4(OP, TYPE) \
- CASE_VMA_OPCODE_COMMON(OP, TYPE, MF4): \
- case CASE_VMA_OPCODE_LMULS_MF2(OP, TYPE)
-
-#define CASE_VMA_OPCODE_LMULS(OP, TYPE) \
- CASE_VMA_OPCODE_COMMON(OP, TYPE, MF8): \
- case CASE_VMA_OPCODE_LMULS_MF4(OP, TYPE)
-
// VFMA instructions are SEW specific.
#define CASE_VFMA_OPCODE_COMMON(OP, TYPE, LMUL, SEW) \
RISCV::PseudoV##OP##_##TYPE##_##LMUL##_##SEW
@@ -3788,29 +3779,15 @@ bool RISCVInstrInfo::findCommutedOpIndices(const MachineInstr &MI,
Opc = RISCV::PseudoV##NEWOP##_##TYPE##_##LMUL; \
break;
-#define CASE_VMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, TYPE) \
+#define CASE_VMA_CHANGE_OPCODE_LMULS(OLDOP, NEWOP, TYPE) \
+ CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF8) \
+ CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF4) \
+ CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF2) \
CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M1) \
CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M2) \
CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M4) \
CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, M8)
-#define CASE_VMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, TYPE) \
- CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF2) \
- CASE_VMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, TYPE)
-
-#define CASE_VMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, TYPE) \
- CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF4) \
- CASE_VMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, TYPE)
-
-#define CASE_VMA_CHANGE_OPCODE_LMULS(OLDOP, NEWOP, TYPE) \
- CASE_VMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF8) \
- CASE_VMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, TYPE)
-
-#define CASE_VMA_CHANGE_OPCODE_SPLATS(OLDOP, NEWOP) \
- CASE_VMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, VFPR16) \
- CASE_VMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, VFPR32) \
- CASE_VMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, VFPR64)
-
// VFMA depends on SEW.
#define CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, LMUL, SEW) \
case RISCV::PseudoV##OLDOP##_##TYPE##_##LMUL##_##SEW: \
@@ -3827,18 +3804,14 @@ bool RISCVInstrInfo::findCommutedOpIndices(const MachineInstr &MI,
CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF2, SEW) \
CASE_VFMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, TYPE, SEW)
-#define CASE_VFMA_CHANGE_OPCODE_VV(OLDOP, NEWOP) \
- CASE_VFMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, VV, E16) \
- CASE_VFMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, VV, E32) \
- CASE_VFMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, VV, E64)
-
#define CASE_VFMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, TYPE, SEW) \
CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF4, SEW) \
CASE_VFMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, TYPE, SEW)
-#define CASE_VFMA_CHANGE_OPCODE_LMULS(OLDOP, NEWOP, TYPE, SEW) \
- CASE_VFMA_CHANGE_OPCODE_COMMON(OLDOP, NEWOP, TYPE, MF8, SEW) \
- CASE_VFMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, TYPE, SEW)
+#define CASE_VFMA_CHANGE_OPCODE_VV(OLDOP, NEWOP) \
+ CASE_VFMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, VV, E16) \
+ CASE_VFMA_CHANGE_OPCODE_LMULS_MF2(OLDOP, NEWOP, VV, E32) \
+ CASE_VFMA_CHANGE_OPCODE_LMULS_M1(OLDOP, NEWOP, VV, E64)
#define CASE_VFMA_CHANGE_OPCODE_SPLATS(OLDOP, NEWOP) \
CASE_VFMA_CHANGE_OPCODE_LMULS_MF4(OLDOP, NEWOP, VFPR16, E16) \
@@ -3961,6 +3934,15 @@ MachineInstr *RISCVInstrInfo::commuteInstructionImpl(MachineInstr &MI,
return TargetInstrInfo::commuteInstructionImpl(MI, NewMI, OpIdx1, OpIdx2);
}
+#undef CASE_VMA_CHANGE_OPCODE_COMMON
+#undef CASE_VMA_CHANGE_OPCODE_LMULS
+#undef CASE_VFMA_CHANGE_OPCODE_COMMON
+#undef CASE_VFMA_CHANGE_OPCODE_LMULS_M1
+#undef CASE_VFMA_CHANGE_OPCODE_LMULS_MF2
+#undef CASE_VFMA_CHANGE_OPCODE_VV
+#undef CASE_VFMA_CHANGE_OPCODE_LMULS_MF4
+#undef CASE_VFMA_CHANGE_OPCODE_SPLATS
+
#undef CASE_RVV_OPCODE_UNMASK_LMUL
#undef CASE_RVV_OPCODE_MASK_LMUL
#undef CASE_RVV_OPCODE_LMUL
@@ -3972,9 +3954,6 @@ MachineInstr *RISCVInstrInfo::commuteInstructionImpl(MachineInstr &MI,
#undef CASE_RVV_OPCODE
#undef CASE_VMA_OPCODE_COMMON
-#undef CASE_VMA_OPCODE_LMULS_M1
-#undef CASE_VMA_OPCODE_LMULS_MF2
-#undef CASE_VMA_OPCODE_LMULS_MF4
#undef CASE_VMA_OPCODE_LMULS
#undef CASE_VFMA_OPCODE_COMMON
#undef CASE_VFMA_OPCODE_LMULS_M1
``````````
</details>
https://github.com/llvm/llvm-project/pull/144169
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