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Add basic library support for
f16 and f128
Implement basic operation traits that get lowered to intrinsics. This does not yet create a new module for these types. Additionally, add codegn tests for the implemented operations.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| // Verify that our intrinsics generate the correct LLVM calls for f128 | ||
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| #![crate_type = "lib"] | ||
| #![feature(f128)] | ||
| #![feature(core_intrinsics)] | ||
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| // CHECK-LABEL: i1 @f128_eq( | ||
| #[no_mangle] | ||
| pub fn f128_eq(a: f128, b: f128) -> bool { | ||
| // CHECK: fcmp oeq fp128 %{{.+}}, %{{.+}} | ||
| a == b | ||
| } | ||
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| // CHECK-LABEL: i1 @f128_ne( | ||
| #[no_mangle] | ||
| pub fn f128_ne(a: f128, b: f128) -> bool { | ||
| // CHECK: fcmp une fp128 %{{.+}}, %{{.+}} | ||
| a != b | ||
| } | ||
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| // CHECK-LABEL: i1 @f128_gt( | ||
| #[no_mangle] | ||
| pub fn f128_gt(a: f128, b: f128) -> bool { | ||
| // CHECK: fcmp ogt fp128 %{{.+}}, %{{.+}} | ||
| a > b | ||
| } | ||
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| // CHECK-LABEL: i1 @f128_ge( | ||
| #[no_mangle] | ||
| pub fn f128_ge(a: f128, b: f128) -> bool { | ||
| // CHECK: fcmp oge fp128 %{{.+}}, %{{.+}} | ||
| a >= b | ||
| } | ||
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| // CHECK-LABEL: i1 @f128_lt( | ||
| #[no_mangle] | ||
| pub fn f128_lt(a: f128, b: f128) -> bool { | ||
| // CHECK: fcmp olt fp128 %{{.+}}, %{{.+}} | ||
| a < b | ||
| } | ||
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| // CHECK-LABEL: i1 @f128_le( | ||
| #[no_mangle] | ||
| pub fn f128_le(a: f128, b: f128) -> bool { | ||
| // CHECK: fcmp ole fp128 %{{.+}}, %{{.+}} | ||
| a <= b | ||
| } | ||
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| // CHECK-LABEL: fp128 @f128_neg( | ||
| #[no_mangle] | ||
| pub fn f128_neg(a: f128) -> f128 { | ||
| // CHECK: fneg fp128 | ||
| -a | ||
| } | ||
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| // CHECK-LABEL: fp128 @f128_add( | ||
| #[no_mangle] | ||
| pub fn f128_add(a: f128, b: f128) -> f128 { | ||
| // CHECK: fadd fp128 %{{.+}}, %{{.+}} | ||
| a + b | ||
| } | ||
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| // CHECK-LABEL: fp128 @f128_sub( | ||
| #[no_mangle] | ||
| pub fn f128_sub(a: f128, b: f128) -> f128 { | ||
| // CHECK: fsub fp128 %{{.+}}, %{{.+}} | ||
| a - b | ||
| } | ||
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| // CHECK-LABEL: fp128 @f128_mul( | ||
| #[no_mangle] | ||
| pub fn f128_mul(a: f128, b: f128) -> f128 { | ||
| // CHECK: fmul fp128 %{{.+}}, %{{.+}} | ||
| a * b | ||
| } | ||
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| // CHECK-LABEL: fp128 @f128_div( | ||
| #[no_mangle] | ||
| pub fn f128_div(a: f128, b: f128) -> f128 { | ||
| // CHECK: fdiv fp128 %{{.+}}, %{{.+}} | ||
| a / b | ||
| } | ||
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| // CHECK-LABEL: fp128 @f128_rem( | ||
| #[no_mangle] | ||
| pub fn f128_rem(a: f128, b: f128) -> f128 { | ||
| // CHECK: frem fp128 %{{.+}}, %{{.+}} | ||
| a % b | ||
| } | ||
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| // CHECK-LABEL: void @f128_add_assign( | ||
| #[no_mangle] | ||
| pub fn f128_add_assign(a: &mut f128, b: f128) { | ||
| // CHECK: fadd fp128 %{{.+}}, %{{.+}} | ||
| // CHECK-NEXT: store fp128 %{{.+}}, ptr %{{.+}} | ||
| *a += b; | ||
| } | ||
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| // CHECK-LABEL: void @f128_sub_assign( | ||
| #[no_mangle] | ||
| pub fn f128_sub_assign(a: &mut f128, b: f128) { | ||
| // CHECK: fsub fp128 %{{.+}}, %{{.+}} | ||
| // CHECK-NEXT: store fp128 %{{.+}}, ptr %{{.+}} | ||
| *a -= b; | ||
| } | ||
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| // CHECK-LABEL: void @f128_mul_assign( | ||
| #[no_mangle] | ||
| pub fn f128_mul_assign(a: &mut f128, b: f128) { | ||
| // CHECK: fmul fp128 %{{.+}}, %{{.+}} | ||
| // CHECK-NEXT: store fp128 %{{.+}}, ptr %{{.+}} | ||
| *a *= b | ||
| } | ||
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| // CHECK-LABEL: void @f128_div_assign( | ||
| #[no_mangle] | ||
| pub fn f128_div_assign(a: &mut f128, b: f128) { | ||
| // CHECK: fdiv fp128 %{{.+}}, %{{.+}} | ||
| // CHECK-NEXT: store fp128 %{{.+}}, ptr %{{.+}} | ||
| *a /= b | ||
| } | ||
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| // CHECK-LABEL: void @f128_rem_assign( | ||
| #[no_mangle] | ||
| pub fn f128_rem_assign(a: &mut f128, b: f128) { | ||
| // CHECK: frem fp128 %{{.+}}, %{{.+}} | ||
| // CHECK-NEXT: store fp128 %{{.+}}, ptr %{{.+}} | ||
| *a %= b | ||
| } |
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