| // 32-bit x86 returns float types differently to avoid the x87 stack. |
| // 32-bit systems will return 128bit values using a return area pointer. |
| //@ revisions: x86-sse x86-nosse bit32 bit64 |
| //@[x86-sse] only-x86 |
| //@[x86-sse] only-rustc_abi-x86-sse2 |
| //@[x86-nosse] only-x86 |
| //@[x86-nosse] ignore-rustc_abi-x86-sse2 |
| //@[bit32] ignore-x86 |
| //@[bit32] only-32bit |
| //@[bit64] ignore-x86 |
| //@[bit64] only-64bit |
| |
| // Verify that our intrinsics generate the correct LLVM calls for f16 |
| |
| #![crate_type = "lib"] |
| #![feature(f128)] |
| #![feature(f16)] |
| #![feature(core_intrinsics)] |
| |
| /* arithmetic */ |
| |
| // CHECK-LABEL: i1 @f16_eq( |
| #[no_mangle] |
| pub fn f16_eq(a: f16, b: f16) -> bool { |
| // CHECK: fcmp oeq half %{{.+}}, %{{.+}} |
| a == b |
| } |
| |
| // CHECK-LABEL: i1 @f16_ne( |
| #[no_mangle] |
| pub fn f16_ne(a: f16, b: f16) -> bool { |
| // CHECK: fcmp une half %{{.+}}, %{{.+}} |
| a != b |
| } |
| |
| // CHECK-LABEL: i1 @f16_gt( |
| #[no_mangle] |
| pub fn f16_gt(a: f16, b: f16) -> bool { |
| // CHECK: fcmp ogt half %{{.+}}, %{{.+}} |
| a > b |
| } |
| |
| // CHECK-LABEL: i1 @f16_ge( |
| #[no_mangle] |
| pub fn f16_ge(a: f16, b: f16) -> bool { |
| // CHECK: fcmp oge half %{{.+}}, %{{.+}} |
| a >= b |
| } |
| |
| // CHECK-LABEL: i1 @f16_lt( |
| #[no_mangle] |
| pub fn f16_lt(a: f16, b: f16) -> bool { |
| // CHECK: fcmp olt half %{{.+}}, %{{.+}} |
| a < b |
| } |
| |
| // CHECK-LABEL: i1 @f16_le( |
| #[no_mangle] |
| pub fn f16_le(a: f16, b: f16) -> bool { |
| // CHECK: fcmp ole half %{{.+}}, %{{.+}} |
| a <= b |
| } |
| |
| // This is where we check the argument and return ABI for f16. |
| // bit32-LABEL: half @f16_neg(half |
| // bit64-LABEL: half @f16_neg(half |
| // x86-sse-LABEL: <2 x i8> @f16_neg(half |
| // x86-nosse-LABEL: i16 @f16_neg(half |
| #[no_mangle] |
| pub fn f16_neg(a: f16) -> f16 { |
| // CHECK: fneg half %{{.+}} |
| -a |
| } |
| |
| // CHECK-LABEL: @f16_add |
| #[no_mangle] |
| pub fn f16_add(a: f16, b: f16) -> f16 { |
| // CHECK: fadd half %{{.+}}, %{{.+}} |
| a + b |
| } |
| |
| // CHECK-LABEL: @f16_sub |
| #[no_mangle] |
| pub fn f16_sub(a: f16, b: f16) -> f16 { |
| // CHECK: fsub half %{{.+}}, %{{.+}} |
| a - b |
| } |
| |
| // CHECK-LABEL: @f16_mul |
| #[no_mangle] |
| pub fn f16_mul(a: f16, b: f16) -> f16 { |
| // CHECK: fmul half %{{.+}}, %{{.+}} |
| a * b |
| } |
| |
| // CHECK-LABEL: @f16_div |
| #[no_mangle] |
| pub fn f16_div(a: f16, b: f16) -> f16 { |
| // CHECK: fdiv half %{{.+}}, %{{.+}} |
| a / b |
| } |
| |
| // CHECK-LABEL: @f16_rem |
| #[no_mangle] |
| pub fn f16_rem(a: f16, b: f16) -> f16 { |
| // CHECK: frem half %{{.+}}, %{{.+}} |
| a % b |
| } |
| |
| // CHECK-LABEL: void @f16_add_assign( |
| #[no_mangle] |
| pub fn f16_add_assign(a: &mut f16, b: f16) { |
| // CHECK: fadd half %{{.+}}, %{{.+}} |
| // CHECK-NEXT: store half %{{.+}}, ptr %{{.+}} |
| *a += b; |
| } |
| |
| // CHECK-LABEL: void @f16_sub_assign( |
| #[no_mangle] |
| pub fn f16_sub_assign(a: &mut f16, b: f16) { |
| // CHECK: fsub half %{{.+}}, %{{.+}} |
| // CHECK-NEXT: store half %{{.+}}, ptr %{{.+}} |
| *a -= b; |
| } |
| |
| // CHECK-LABEL: void @f16_mul_assign( |
| #[no_mangle] |
| pub fn f16_mul_assign(a: &mut f16, b: f16) { |
| // CHECK: fmul half %{{.+}}, %{{.+}} |
| // CHECK-NEXT: store half %{{.+}}, ptr %{{.+}} |
| *a *= b; |
| } |
| |
| // CHECK-LABEL: void @f16_div_assign( |
| #[no_mangle] |
| pub fn f16_div_assign(a: &mut f16, b: f16) { |
| // CHECK: fdiv half %{{.+}}, %{{.+}} |
| // CHECK-NEXT: store half %{{.+}}, ptr %{{.+}} |
| *a /= b; |
| } |
| |
| // CHECK-LABEL: void @f16_rem_assign( |
| #[no_mangle] |
| pub fn f16_rem_assign(a: &mut f16, b: f16) { |
| // CHECK: frem half %{{.+}}, %{{.+}} |
| // CHECK-NEXT: store half %{{.+}}, ptr %{{.+}} |
| *a %= b; |
| } |
| |
| /* float to float conversions */ |
| |
| // bit32-LABEL: half @f16_as_self( |
| // bit64-LABEL: half @f16_as_self( |
| // x86-sse-LABEL: <2 x i8> @f16_as_self( |
| // x86-nosse-LABEL: i16 @f16_as_self( |
| #[no_mangle] |
| pub fn f16_as_self(a: f16) -> f16 { |
| // bit32-CHECK: ret half %{{.+}} |
| // bit64-CHECK: ret half %{{.+}} |
| // x86-sse-CHECK: bitcast half |
| // x86-nosse-CHECK: bitcast half |
| // x86-sse-CHECK: ret i16 |
| // x86-nosse-CHECK: ret i16 |
| a as f16 |
| } |
| |
| // x86-sse-LABEL: <4 x i8> @f16_as_f32( |
| // x86-nosse-LABEL: i32 @f16_as_f32( |
| // bit32-LABEL: float @f16_as_f32( |
| // bit64-LABEL: float @f16_as_f32( |
| #[no_mangle] |
| pub fn f16_as_f32(a: f16) -> f32 { |
| // CHECK: fpext half %{{.+}} to float |
| a as f32 |
| } |
| |
| // x86-sse-LABEL: <8 x i8> @f16_as_f64( |
| // x86-nosse-LABEL: void @f16_as_f64({{.*}}sret([8 x i8]) |
| // bit32-LABEL: double @f16_as_f64( |
| // bit64-LABEL: double @f16_as_f64( |
| #[no_mangle] |
| pub fn f16_as_f64(a: f16) -> f64 { |
| // CHECK: fpext half %{{.+}} to double |
| a as f64 |
| } |
| |
| // x86-sse-LABEL: <16 x i8> @f16_as_f128( |
| // x86-nosse-LABEL: void @f16_as_f128({{.*}}sret([16 x i8]) |
| // bit32-LABEL: void @f16_as_f128({{.*}}sret([16 x i8]) |
| // bit64-LABEL: fp128 @f16_as_f128( |
| #[no_mangle] |
| pub fn f16_as_f128(a: f16) -> f128 { |
| // CHECK: fpext half %{{.+}} to fp128 |
| a as f128 |
| } |
| |
| // CHECK-LABEL: @f32_as_f16 |
| #[no_mangle] |
| pub fn f32_as_f16(a: f32) -> f16 { |
| // CHECK: fptrunc float %{{.+}} to half |
| a as f16 |
| } |
| |
| // CHECK-LABEL: @f64_as_f16 |
| #[no_mangle] |
| pub fn f64_as_f16(a: f64) -> f16 { |
| // CHECK: fptrunc double %{{.+}} to half |
| a as f16 |
| } |
| |
| // CHECK-LABEL: @f128_as_f16 |
| #[no_mangle] |
| pub fn f128_as_f16(a: f128) -> f16 { |
| // CHECK: fptrunc fp128 %{{.+}} to half |
| a as f16 |
| } |
| |
| /* float to int conversions */ |
| |
| // CHECK-LABEL: i8 @f16_as_u8( |
| #[no_mangle] |
| pub fn f16_as_u8(a: f16) -> u8 { |
| // CHECK: call i8 @llvm.fptoui.sat.i8.f16(half %{{.+}}) |
| a as u8 |
| } |
| |
| #[no_mangle] |
| pub fn f16_as_u16(a: f16) -> u16 { |
| // CHECK: call i16 @llvm.fptoui.sat.i16.f16(half %{{.+}}) |
| a as u16 |
| } |
| |
| // CHECK-LABEL: i32 @f16_as_u32( |
| #[no_mangle] |
| pub fn f16_as_u32(a: f16) -> u32 { |
| // CHECK: call i32 @llvm.fptoui.sat.i32.f16(half %{{.+}}) |
| a as u32 |
| } |
| |
| // CHECK-LABEL: i64 @f16_as_u64( |
| #[no_mangle] |
| pub fn f16_as_u64(a: f16) -> u64 { |
| // CHECK: call i64 @llvm.fptoui.sat.i64.f16(half %{{.+}}) |
| a as u64 |
| } |
| |
| // x86-sse-LABEL: void @f16_as_u128({{.*}}sret([16 x i8]) |
| // x86-nosse-LABEL: void @f16_as_u128({{.*}}sret([16 x i8]) |
| // bit32-LABEL: void @f16_as_u128({{.*}}sret([16 x i8]) |
| // bit64-LABEL: i128 @f16_as_u128( |
| #[no_mangle] |
| pub fn f16_as_u128(a: f16) -> u128 { |
| // CHECK: call i128 @llvm.fptoui.sat.i128.f16(half %{{.+}}) |
| a as u128 |
| } |
| |
| // CHECK-LABEL: i8 @f16_as_i8( |
| #[no_mangle] |
| pub fn f16_as_i8(a: f16) -> i8 { |
| // CHECK: call i8 @llvm.fptosi.sat.i8.f16(half %{{.+}}) |
| a as i8 |
| } |
| |
| // CHECK-LABEL: i16 @f16_as_i16( |
| #[no_mangle] |
| pub fn f16_as_i16(a: f16) -> i16 { |
| // CHECK: call i16 @llvm.fptosi.sat.i16.f16(half %{{.+}}) |
| a as i16 |
| } |
| // CHECK-LABEL: i32 @f16_as_i32( |
| #[no_mangle] |
| pub fn f16_as_i32(a: f16) -> i32 { |
| // CHECK: call i32 @llvm.fptosi.sat.i32.f16(half %{{.+}}) |
| a as i32 |
| } |
| |
| // CHECK-LABEL: i64 @f16_as_i64( |
| #[no_mangle] |
| pub fn f16_as_i64(a: f16) -> i64 { |
| // CHECK: call i64 @llvm.fptosi.sat.i64.f16(half %{{.+}}) |
| a as i64 |
| } |
| |
| // x86-sse-LABEL: void @f16_as_i128({{.*}}sret([16 x i8]) |
| // x86-nosse-LABEL: void @f16_as_i128({{.*}}sret([16 x i8]) |
| // bit32-LABEL: void @f16_as_i128({{.*}}sret([16 x i8]) |
| // bit64-LABEL: i128 @f16_as_i128( |
| #[no_mangle] |
| pub fn f16_as_i128(a: f16) -> i128 { |
| // CHECK: call i128 @llvm.fptosi.sat.i128.f16(half %{{.+}}) |
| a as i128 |
| } |
| |
| /* int to float conversions */ |
| |
| // CHECK-LABEL: @u8_as_f16 |
| #[no_mangle] |
| pub fn u8_as_f16(a: u8) -> f16 { |
| // CHECK: uitofp i8 %{{.+}} to half |
| a as f16 |
| } |
| |
| // CHECK-LABEL: @u16_as_f16 |
| #[no_mangle] |
| pub fn u16_as_f16(a: u16) -> f16 { |
| // CHECK: uitofp i16 %{{.+}} to half |
| a as f16 |
| } |
| |
| // CHECK-LABEL: @u32_as_f16 |
| #[no_mangle] |
| pub fn u32_as_f16(a: u32) -> f16 { |
| // CHECK: uitofp i32 %{{.+}} to half |
| a as f16 |
| } |
| |
| // CHECK-LABEL: @u64_as_f16 |
| #[no_mangle] |
| pub fn u64_as_f16(a: u64) -> f16 { |
| // CHECK: uitofp i64 %{{.+}} to half |
| a as f16 |
| } |
| |
| // CHECK-LABEL: @u128_as_f16 |
| #[no_mangle] |
| pub fn u128_as_f16(a: u128) -> f16 { |
| // CHECK: uitofp i128 %{{.+}} to half |
| a as f16 |
| } |
| |
| // CHECK-LABEL: @i8_as_f16 |
| #[no_mangle] |
| pub fn i8_as_f16(a: i8) -> f16 { |
| // CHECK: sitofp i8 %{{.+}} to half |
| a as f16 |
| } |
| |
| // CHECK-LABEL: @i16_as_f16 |
| #[no_mangle] |
| pub fn i16_as_f16(a: i16) -> f16 { |
| // CHECK: sitofp i16 %{{.+}} to half |
| a as f16 |
| } |
| |
| // CHECK-LABEL: @i32_as_f16 |
| #[no_mangle] |
| pub fn i32_as_f16(a: i32) -> f16 { |
| // CHECK: sitofp i32 %{{.+}} to half |
| a as f16 |
| } |
| |
| // CHECK-LABEL: @i64_as_f16 |
| #[no_mangle] |
| pub fn i64_as_f16(a: i64) -> f16 { |
| // CHECK: sitofp i64 %{{.+}} to half |
| a as f16 |
| } |
| |
| // CHECK-LABEL: @i128_as_f16 |
| #[no_mangle] |
| pub fn i128_as_f16(a: i128) -> f16 { |
| // CHECK: sitofp i128 %{{.+}} to half |
| a as f16 |
| } |
