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These intrinsics do not correspond to their own underlying instruction, but are
a convenience for the common case of materializing a constant vector that has
the same value in each lane.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D101885
Files:
clang/lib/Headers/wasm_simd128.h
clang/test/Headers/wasm.c
Index: clang/test/Headers/wasm.c
===================================================================
--- clang/test/Headers/wasm.c
+++ clang/test/Headers/wasm.c
@@ -386,6 +386,54 @@
return wasm_f64x2_const(0, 1);
}
+// CHECK-LABEL: @test_i8x16_const_splat(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret <4 x i32> <i32 707406378, i32 707406378, i32 707406378, i32 707406378>
+//
+v128_t test_i8x16_const_splat() {
+ return wasm_i8x16_const_splat(42);
+}
+
+// CHECK-LABEL: @test_i16x8_const_splat(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret <4 x i32> <i32 2752554, i32 2752554, i32 2752554, i32 2752554>
+//
+v128_t test_i16x8_const_splat() {
+ return wasm_i16x8_const_splat(42);
+}
+
+// CHECK-LABEL: @test_i32x4_const_splat(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret <4 x i32> <i32 42, i32 42, i32 42, i32 42>
+//
+v128_t test_i32x4_const_splat() {
+ return wasm_i32x4_const_splat(42);
+}
+
+// CHECK-LABEL: @test_i64x2_const_splat(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret <4 x i32> <i32 42, i32 0, i32 42, i32 0>
+//
+v128_t test_i64x2_const_splat() {
+ return wasm_i64x2_const_splat(42);
+}
+
+// CHECK-LABEL: @test_f32x4_const_splat(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret <4 x i32> <i32 42, i32 42, i32 42, i32 42>
+//
+v128_t test_f32x4_const_splat() {
+ return wasm_f32x4_const_splat(42);
+}
+
+// CHECK-LABEL: @test_f64x2_const_splat(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: ret <4 x i32> <i32 42, i32 0, i32 42, i32 0>
+//
+v128_t test_f64x2_const_splat() {
+ return wasm_f64x2_const_splat(42);
+}
+
// CHECK-LABEL: @test_i8x16_splat(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[VECINIT_I:%.*]] = insertelement <16 x i8> undef, i8 [[A:%.*]], i32 0
Index: clang/lib/Headers/wasm_simd128.h
===================================================================
--- clang/lib/Headers/wasm_simd128.h
+++ clang/lib/Headers/wasm_simd128.h
@@ -229,6 +229,11 @@
return (v128_t)(__i32x4){__c0, __c1, __c2, __c3};
}
+static __inline__ v128_t __DEFAULT_FN_ATTRS wasm_i64x2_make(int64_t __c0,
+ int64_t __c1) {
+ return (v128_t)(__i64x2){__c0, __c1};
+}
+
static __inline__ v128_t __DEFAULT_FN_ATTRS wasm_f32x4_make(float __c0,
float __c1,
float __c2,
@@ -236,11 +241,6 @@
return (v128_t)(__f32x4){__c0, __c1, __c2, __c3};
}
-static __inline__ v128_t __DEFAULT_FN_ATTRS wasm_i64x2_make(int64_t __c0,
- int64_t __c1) {
- return (v128_t)(__i64x2){__c0, __c1};
-}
-
static __inline__ v128_t __DEFAULT_FN_ATTRS wasm_f64x2_make(double __c0,
double __c1) {
return (v128_t)(__f64x2){__c0, __c1};
@@ -291,20 +291,20 @@
(v128_t)(__i32x4){__c0, __c1, __c2, __c3}; \
})
-#define wasm_f32x4_const(__c0, __c1, __c2, __c3) \
+#define wasm_i64x2_const(__c0, __c1) \
__extension__({ \
__REQUIRE_CONSTANT(__c0); \
__REQUIRE_CONSTANT(__c1); \
- __REQUIRE_CONSTANT(__c2); \
- __REQUIRE_CONSTANT(__c3); \
- (v128_t)(__f32x4){__c0, __c1, __c2, __c3}; \
+ (v128_t)(__i64x2){__c0, __c1}; \
})
-#define wasm_i64x2_const(__c0, __c1) \
+#define wasm_f32x4_const(__c0, __c1, __c2, __c3) \
__extension__({ \
__REQUIRE_CONSTANT(__c0); \
__REQUIRE_CONSTANT(__c1); \
- (v128_t)(__i64x2){__c0, __c1}; \
+ __REQUIRE_CONSTANT(__c2); \
+ __REQUIRE_CONSTANT(__c3); \
+ (v128_t)(__f32x4){__c0, __c1, __c2, __c3}; \
})
#define wasm_f64x2_const(__c0, __c1) \
@@ -314,6 +314,21 @@
(v128_t)(__f64x2){__c0, __c1}; \
})
+#define wasm_i8x16_const_splat(__c) \
+ wasm_i8x16_const(__c, __c, __c, __c, __c, __c, __c, __c, __c, __c, __c, __c, \
+ __c, __c, __c, __c)
+
+#define wasm_i16x8_const_splat(__c) \
+ wasm_i16x8_const(__c, __c, __c, __c, __c, __c, __c, __c)
+
+#define wasm_i32x4_const_splat(__c) wasm_i32x4_const(__c, __c, __c, __c)
+
+#define wasm_i64x2_const_splat(__c) wasm_i64x2_const(__c, __c)
+
+#define wasm_f32x4_const_splat(__c) wasm_i32x4_const(__c, __c, __c, __c)
+
+#define wasm_f64x2_const_splat(__c) wasm_i64x2_const(__c, __c)
+
static __inline__ v128_t __DEFAULT_FN_ATTRS wasm_i8x16_splat(int8_t __a) {
return (v128_t)(__i8x16){__a, __a, __a, __a, __a, __a, __a, __a,
__a, __a, __a, __a, __a, __a, __a, __a};
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