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Add "algebraic" versions of the fast-math intrinsics

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This commit is contained in:
Ben Kimock 2024-02-06 14:32:00 -05:00
parent aa6d02f368
commit 968e79540d
1 changed files with 15 additions and 6 deletions
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21
src/intrinsics/mod.rs
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@ -1152,17 +1152,26 @@ fn codegen_regular_intrinsic_call<'tcx>(
ret.write_cvalue(fx, ret_val);
}
sym::fadd_fast | sym::fsub_fast | sym::fmul_fast | sym::fdiv_fast | sym::frem_fast => {
sym::fadd_fast
| sym::fsub_fast
| sym::fmul_fast
| sym::fdiv_fast
| sym::frem_fast
| sym::fadd_algebraic
| sym::fsub_algebraic
| sym::fmul_algebraic
| sym::fdiv_algebraic
| sym::frem_algebraic => {
intrinsic_args!(fx, args => (x, y); intrinsic);
let res = crate::num::codegen_float_binop(
fx,
match intrinsic {
sym::fadd_fast => BinOp::Add,
sym::fsub_fast => BinOp::Sub,
sym::fmul_fast => BinOp::Mul,
sym::fdiv_fast => BinOp::Div,
sym::frem_fast => BinOp::Rem,
sym::fadd_fast | sym::fadd_algebraic => BinOp::Add,
sym::fsub_fast | sym::fsub_algebraic => BinOp::Sub,
sym::fmul_fast | sym::fmul_algebraic => BinOp::Mul,
sym::fdiv_fast | sym::fdiv_algebraic => BinOp::Div,
sym::frem_fast | sym::frem_algebraic => BinOp::Rem,
_ => unreachable!(),
},
x,