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Merge #550

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550: Fix singlepass compilation error with `imul` instruction. r=losfair a=losfair



Co-authored-by: losfair <zhy20000919@hotmail.com>
This commit is contained in:
bors[bot] 2019-07-12 16:39:32 +00:00
commit bd2a082a78
1 changed files with 7 additions and 1 deletions
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8
lib/singlepass-backend/src/codegen_x64.rs
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@ -641,6 +641,13 @@ impl X64FunctionCode {
BothToGPR, BothToGPR,
} }
let mode = match (src, dst) { let mode = match (src, dst) {
(Location::GPR(_), Location::GPR(_))
if (op as *const u8 == Assembler::emit_imul as *const u8) =>
{
RelaxMode::Direct
}
_ if (op as *const u8 == Assembler::emit_imul as *const u8) => RelaxMode::BothToGPR,
(Location::Memory(_, _), Location::Memory(_, _)) => RelaxMode::SrcToGPR, (Location::Memory(_, _), Location::Memory(_, _)) => RelaxMode::SrcToGPR,
(Location::Imm64(_), Location::Imm64(_)) | (Location::Imm64(_), Location::Imm32(_)) => { (Location::Imm64(_), Location::Imm64(_)) | (Location::Imm64(_), Location::Imm32(_)) => {
RelaxMode::BothToGPR RelaxMode::BothToGPR
@ -653,7 +660,6 @@ impl X64FunctionCode {
RelaxMode::SrcToGPR RelaxMode::SrcToGPR
} }
(_, Location::XMM(_)) => RelaxMode::SrcToGPR, (_, Location::XMM(_)) => RelaxMode::SrcToGPR,
_ if (op as *const u8 == Assembler::emit_imul as *const u8) => RelaxMode::BothToGPR, // TODO: optimize this
_ => RelaxMode::Direct, _ => RelaxMode::Direct,
}; };