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Merge raw_bitcast and bitcast (#5175)

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- Allow bitcast for vectors with differing lane widths
- Remove raw_bitcast IR instruction
- Change all users of raw_bitcast to bitcast
- Implement support for no-op bitcast cases across backends

This implements the second step of the plan outlined here:
https://github.com/bytecodealliance/wasmtime/issues/4566#issuecomment-1234819394
This commit is contained in:
Ulrich Weigand
2022-11-02 18:16:27 +01:00
committed by GitHub
parent e0c8a7f477
commit 961107ec63
26 changed files with 95 additions and 130 deletions
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cranelift/codegen/src/isa/x64/lower.rs
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@@ -453,7 +453,6 @@ fn lower_insn_to_regs(
| Opcode::GetPinnedReg
| Opcode::SetPinnedReg
| Opcode::Vconst
| Opcode::RawBitcast
| Opcode::Insertlane
| Opcode::Shuffle
| Opcode::Swizzle