[llvm] e8df7e2 - [LLVM][AArch64][tblgen]: Make operand suffix case-insinsitive (#76808)

[via llvm-commits]

Author: Hassnaa Hamdi
Date: 2024-01-03T18:27:04Z
New Revision: e8df7e2c1adad376647ba6776e39b019003370a6

URL: https://github.com/llvm/llvm-project/commit/e8df7e2c1adad376647ba6776e39b019003370a6
DIFF: https://github.com/llvm/llvm-project/commit/e8df7e2c1adad376647ba6776e39b019003370a6.diff

LOG: [LLVM][AArch64][tblgen]: Make operand suffix case-insinsitive (#76808)

Ex: `fdot v26.8H, v22.16B, v9.2B[0]` should be equivalent to `fdot
v26.8h, v22.16b, v9.2b[0]`

Added: 
    

Modified: 
    llvm/lib/Target/AArch64/AArch64InstrFormats.td
    llvm/test/MC/AArch64/FP8/dot.s

Removed: 
    


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diff  --git a/llvm/lib/Target/AArch64/AArch64InstrFormats.td b/llvm/lib/Target/AArch64/AArch64InstrFormats.td
index cb63d8726744d4..10ad5b1f8f2580 100644
--- a/llvm/lib/Target/AArch64/AArch64InstrFormats.td
+++ b/llvm/lib/Target/AArch64/AArch64InstrFormats.td
@@ -12586,6 +12586,7 @@ def : TokenAlias<".4S", ".4s">;
 def : TokenAlias<".2D", ".2d">;
 def : TokenAlias<".1Q", ".1q">;
 def : TokenAlias<".2H", ".2h">;
+def : TokenAlias<".2B", ".2b">;
 def : TokenAlias<".B", ".b">;
 def : TokenAlias<".H", ".h">;
 def : TokenAlias<".S", ".s">;

diff  --git a/llvm/test/MC/AArch64/FP8/dot.s b/llvm/test/MC/AArch64/FP8/dot.s
index e755430745c34e..cfcc1137231a95 100644
--- a/llvm/test/MC/AArch64/FP8/dot.s
+++ b/llvm/test/MC/AArch64/FP8/dot.s
@@ -44,6 +44,12 @@ fdot  v31.4h, v31.8b, v15.2b[0]
 // CHECK-ERROR: instruction requires: fp8dot2
 // CHECK-UNKNOWN: 0f4f03ff <unknown>
 
+fdot v26.8H, v22.16B, v9.2B[0]
+// CHECK-INST: fdot  v26.8h, v22.16b, v9.2b[0]
+// CHECK-ENCODING: [0xda,0x02,0x49,0x4f]
+// CHECK-ERROR: instruction requires: fp8dot2
+// CHECK-UNKNOWN: 4f4902da <unknown>
+
 fdot  v0.8h, v0.16b, v15.2b[7]
 // CHECK-INST: fdot  v0.8h, v0.16b, v15.2b[7]
 // CHECK-ENCODING: [0x00,0x08,0x7f,0x4f]