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[codegen] add encodings for isub borrow variants

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Add encodings for isub borrow variants (isub_bout, isub_bin,
isub_borrow) for x86_32, enabling the legalization for isub.i64 to work.

Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1576675
Bug: https://github.com/CraneStation/cranelift/issues/765
This commit is contained in:
Ujjwal Sharma
2019-09-01 04:01:45 +05:30
committed by Benjamin Bouvier
parent 1c28d43f00
commit dce8ad8229
4 changed files with 36 additions and 10 deletions
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4
cranelift/codegen/meta/src/isa/x86/recipes.rs
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@@ -2532,7 +2532,7 @@ pub fn define<'shared>(
// XX /r, MR form. Add two GPR registers and get carry flag.
recipes.add_template_recipe(
EncodingRecipeBuilder::new("rcin", f_ternary, 1)
EncodingRecipeBuilder::new("rin", f_ternary, 1)
.operands_in(vec![
OperandConstraint::RegClass(gpr),
OperandConstraint::RegClass(gpr),
@@ -2550,7 +2550,7 @@ pub fn define<'shared>(
// XX /r, MR form. Add two GPR registers with carry flag.
recipes.add_template_recipe(
EncodingRecipeBuilder::new("rcarry", f_ternary, 1)
EncodingRecipeBuilder::new("rio", f_ternary, 1)
.operands_in(vec![
OperandConstraint::RegClass(gpr),
OperandConstraint::RegClass(gpr),