Author: pengfei Date: Tue Sep 24 19:24:05 2019 New Revision: 372802 URL: http://llvm.org/viewvc/llvm-project?rev=372802&view=rev Log: [x86] Adding support for some missing intrinsics: _castf32_u32, _castf64_u64, _castu32_f32, _castu64_f64
Summary: Adding support for some missing intrinsics: _castf32_u32, _castf64_u64, _castu32_f32, _castu64_f64 Reviewers: craig.topper, LuoYuanke, RKSimon, pengfei Reviewed By: RKSimon Subscribers: llvm-commits Patch by yubing (Bing Yu) Differential Revision: https://reviews.llvm.org/D67212 Added: cfe/trunk/test/CodeGen/x86-builtins.c (with props) Modified: cfe/trunk/lib/Headers/ia32intrin.h Modified: cfe/trunk/lib/Headers/ia32intrin.h URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/ia32intrin.h?rev=372802&r1=372801&r2=372802&view=diff ============================================================================== --- cfe/trunk/lib/Headers/ia32intrin.h (original) +++ cfe/trunk/lib/Headers/ia32intrin.h Tue Sep 24 19:24:05 2019 @@ -195,6 +195,74 @@ __writeeflags(unsigned int __f) } #endif /* !__x86_64__ */ +/** Cast a 32-bit float value to a 32-bit unsigned integer value + * + * \headerfile <x86intrin.h> + * This intrinsic corresponds to the <c> VMOVD / MOVD </c> instruction in x86_64, + * and corresponds to the <c> VMOVL / MOVL </c> instruction in ia32. + * + * \param __A + * A 32-bit float value. + * \returns a 32-bit unsigned integer containing the converted value. + */ +static __inline__ unsigned int __attribute__((__always_inline__)) +_castf32_u32(float __A) { + unsigned int D; + __builtin_memcpy(&D, &__A, sizeof(__A)); + return D; +} + +/** Cast a 64-bit float value to a 64-bit unsigned integer value + * + * \headerfile <x86intrin.h> + * This intrinsic corresponds to the <c> VMOVQ / MOVQ </c> instruction in x86_64, + * and corresponds to the <c> VMOVL / MOVL </c> instruction in ia32. + * + * \param __A + * A 64-bit float value. + * \returns a 64-bit unsigned integer containing the converted value. + */ +static __inline__ unsigned long long __attribute__((__always_inline__)) +_castf64_u64(double __A) { + unsigned long long D; + __builtin_memcpy(&D, &__A, sizeof(__A)); + return D; +} + +/** Cast a 32-bit unsigned integer value to a 32-bit float value + * + * \headerfile <x86intrin.h> + * This intrinsic corresponds to the <c> VMOVQ / MOVQ </c> instruction in x86_64, + * and corresponds to the <c> FLDS </c> instruction in ia32. + * + * \param __A + * A 32-bit unsigned integer value. + * \returns a 32-bit float value containing the converted value. + */ +static __inline__ float __attribute__((__always_inline__)) +_castu32_f32(unsigned int __A) { + float D; + __builtin_memcpy(&D, &__A, sizeof(__A)); + return D; +} + +/** Cast a 64-bit unsigned integer value to a 64-bit float value + * + * \headerfile <x86intrin.h> + * This intrinsic corresponds to the <c> VMOVQ / MOVQ </c> instruction in x86_64, + * and corresponds to the <c> FLDL </c> instruction in ia32. + * + * \param __A + * A 64-bit unsigned integer value. + * \returns a 64-bit float value containing the converted value. + */ +static __inline__ double __attribute__((__always_inline__)) +_castu64_f64(unsigned long long __A) { + double D; + __builtin_memcpy(&D, &__A, sizeof(__A)); + return D; +} + /** Adds the unsigned integer operand to the CRC-32C checksum of the * unsigned char operand. * Added: cfe/trunk/test/CodeGen/x86-builtins.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/x86-builtins.c?rev=372802&view=auto ============================================================================== --- cfe/trunk/test/CodeGen/x86-builtins.c (added) +++ cfe/trunk/test/CodeGen/x86-builtins.c Tue Sep 24 19:24:05 2019 @@ -0,0 +1,45 @@ +// RUN: %clang_cc1 -ffreestanding %s -triple=x86_64-unknown-unknown -emit-llvm -o - -Wall -Werror | FileCheck %s -check-prefix=CHECK-64 +// RUN: %clang_cc1 -ffreestanding %s -triple=i386-unknown-unknown -emit-llvm -o - -Wall -Werror | FileCheck %s -check-prefix=CHECK-32 + +#include <x86intrin.h> + +unsigned int test_castf32_u32 (float __A){ + // CHECK-64-LABEL: @test_castf32_u32 + // CHECK-64: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %{{.*}}, i8* align 4 %{{.*}}, i64 4, i1 false) + // CHECK-64: %{{.*}} = load i32, i32* %{{.*}}, align 4 + // CHECK-32-LABEL: @test_castf32_u32 + // CHECK-32: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %{{.*}}, i8* align 4 %{{.*}}, i32 4, i1 false) + // CHECK-32: %{{.*}} = load i32, i32* %{{.*}}, align 4 + return _castf32_u32(__A); +} + +unsigned long long test_castf64_u64 (double __A){ + // CHECK-64-LABEL: @test_castf64_u64 + // CHECK-64: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %{{.*}}, i8* align 8 %{{.*}}, i64 8, i1 false) + // CHECK-64: %{{.*}} = load i64, i64* %{{.*}}, align 8 + // CHECK-32-LABEL: @test_castf64_u64 + // CHECK-32: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 8 %{{.*}}, i8* align 8 %{{.*}}, i32 8, i1 false) + // CHECK-32: %{{.*}} = load i64, i64* %{{.*}}, align 8 + return _castf64_u64(__A); +} + +float test_castu32_f32 (unsigned int __A){ + // CHECK-64-LABEL: @test_castu32_f32 + // CHECK-64: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %{{.*}}, i8* align 4 %{{.*}}, i64 4, i1 false) + // CHECK-64: %{{.*}} = load float, float* %{{.*}}, align 4 + // CHECK-32-LABEL: @test_castu32_f32 + // CHECK-32: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %{{.*}}, i8* align 4 %{{.*}}, i32 4, i1 false) + // CHECK-32: %{{.*}} = load float, float* %{{.*}}, align 4 + return _castu32_f32(__A); +} + +double test_castu64_f64 (unsigned long long __A){ + // CHECK-64-LABEL: @test_castu64_f64 + // CHECK-64: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %{{.*}}, i8* align 8 %{{.*}}, i64 8, i1 false) + // CHECK-64: %{{.*}} = load double, double* %{{.*}}, align 8 + // CHECK-32-LABEL: @test_castu64_f64 + // CHECK-32: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 8 %{{.*}}, i8* align 8 %{{.*}}, i32 8, i1 false) + // CHECK-32: %{{.*}} = load double, double* %{{.*}}, align 8 + return _castu64_f64(__A); +} + Propchange: cfe/trunk/test/CodeGen/x86-builtins.c ------------------------------------------------------------------------------ svn:eol-style = native Propchange: cfe/trunk/test/CodeGen/x86-builtins.c ------------------------------------------------------------------------------ svn:keywords = Author Date Id Rev URL Propchange: cfe/trunk/test/CodeGen/x86-builtins.c ------------------------------------------------------------------------------ svn:mime-type = text/plain _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
