[PATCH] D51766: [WebAssembly] Change SIMD lane indices to vec_i8imm_op

[Thomas Lively via Phabricator via llvm-commits]

tlively created this revision.
tlively added reviewers: aheejin, dschuff.
Herald added subscribers: llvm-commits, sunfish, jgravelle-google, sbc100.

To explicitly opt out of LEB encoding for these immediates.


Repository:
  rL LLVM

https://reviews.llvm.org/D51766

Files:
  lib/Target/WebAssembly/WebAssemblyInstrSIMD.td


Index: lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
===================================================================
--- lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
+++ lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
@@ -44,8 +44,8 @@
                        WebAssemblyRegClass reg_t, bits<32> simdop,
                        string suffix = "", SDNode extract = vector_extract> {
   defm EXTRACT_LANE_#vec_t#suffix :
-      SIMD_I<(outs reg_t:$dst), (ins V128:$vec, i32imm_op:$idx),
-             (outs), (ins i32imm_op:$idx),
+      SIMD_I<(outs reg_t:$dst), (ins V128:$vec, vec_i8imm_op:$idx),
+             (outs), (ins vec_i8imm_op:$idx),
              [(set reg_t:$dst, (extract (vec_t V128:$vec), (i32 imm_t:$idx)))],
              vec#".extract_lane"#suffix#"\t$dst, $vec, $idx",
              vec#".extract_lane"#suffix#"\t$idx", simdop>;
@@ -80,8 +80,8 @@
                        WebAssemblyRegClass reg_t, ValueType lane_t,
                        bits<32> simdop> {
   defm REPLACE_LANE_#vec_t :
-      SIMD_I<(outs V128:$dst), (ins V128:$vec, i32imm_op:$idx, reg_t:$x),
-             (outs), (ins i32imm_op:$idx),
+      SIMD_I<(outs V128:$dst), (ins V128:$vec, vec_i8imm_op:$idx, reg_t:$x),
+             (outs), (ins vec_i8imm_op:$idx),
              [(set V128:$dst, (vector_insert
                (vec_t V128:$vec), (lane_t reg_t:$x), (i32 imm_t:$idx)))],
              vec#".replace_lane\t$dst, $vec, $idx, $x",


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