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machinst x64: fix sign-extension at boundary

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This commit is contained in:
Benjamin Bouvier
2020-07-06 18:43:34 +02:00
parent 6f5403a94b
commit f932bccaf8
1 changed files with 2 additions and 2 deletions
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4
cranelift/codegen/src/isa/x64/abi.rs
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@@ -295,14 +295,14 @@ impl ABIBody for X64ABIBody {
(ArgumentExtension::Uext, Some(ext_mode)) => { (ArgumentExtension::Uext, Some(ext_mode)) => {
ret.push(Inst::movzx_rm_r( ret.push(Inst::movzx_rm_r(
ext_mode, ext_mode,
RegMem::reg(r.to_reg()), RegMem::reg(from_reg.to_reg()),
dest_reg, dest_reg,
)); ));
} }
(ArgumentExtension::Sext, Some(ext_mode)) => { (ArgumentExtension::Sext, Some(ext_mode)) => {
ret.push(Inst::movsx_rm_r( ret.push(Inst::movsx_rm_r(
ext_mode, ext_mode,
RegMem::reg(r.to_reg()), RegMem::reg(from_reg.to_reg()),
dest_reg, dest_reg,
)); ));
} }