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[WebAssembly] Prototype i64x2.bitmask 

As proposed in https://github.com/WebAssembly/simd/pull/368.

Differential Revision: https://reviews.llvm.org/D90514
This commit is contained in:
Thomas Lively 2020-10-30 17:23:30 -07:00
parent 882fa241f1
commit a787e09779
6 changed files with 23 additions and 1 deletions
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1
clang/include/clang/Basic/BuiltinsWebAssembly.def
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@ -154,6 +154,7 @@ TARGET_BUILTIN(__builtin_wasm_all_true_i64x2, "iV2LLi", "nc", "unimplemented-sim
TARGET_BUILTIN(__builtin_wasm_bitmask_i8x16, "iV16Sc", "nc", "simd128")
TARGET_BUILTIN(__builtin_wasm_bitmask_i16x8, "iV8s", "nc", "simd128")
TARGET_BUILTIN(__builtin_wasm_bitmask_i32x4, "iV4i", "nc", "simd128")
TARGET_BUILTIN(__builtin_wasm_bitmask_i64x2, "iV2LLi", "nc", "simd128")
TARGET_BUILTIN(__builtin_wasm_abs_f32x4, "V4fV4f", "nc", "simd128")
TARGET_BUILTIN(__builtin_wasm_abs_f64x2, "V2dV2d", "nc", "simd128")

3
clang/lib/CodeGen/CGBuiltin.cpp
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@ -16734,7 +16734,8 @@ Value *CodeGenFunction::EmitWebAssemblyBuiltinExpr(unsigned BuiltinID,
}
case WebAssembly::BI__builtin_wasm_bitmask_i8x16:
case WebAssembly::BI__builtin_wasm_bitmask_i16x8:
case WebAssembly::BI__builtin_wasm_bitmask_i32x4: {
case WebAssembly::BI__builtin_wasm_bitmask_i32x4:
case WebAssembly::BI__builtin_wasm_bitmask_i64x2: {
Value *Vec = EmitScalarExpr(E->getArg(0));
Function *Callee =
CGM.getIntrinsic(Intrinsic::wasm_bitmask, Vec->getType());

6
clang/test/CodeGen/builtins-wasm.c
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@ -728,6 +728,12 @@ int bitmask_i32x4(i32x4 x) {
// WEBASSEMBLY: ret
}
int bitmask_i64x2(i64x2 x) {
return __builtin_wasm_bitmask_i64x2(x);
// WEBASSEMBLY: call i32 @llvm.wasm.bitmask.v2i64(<2 x i64> %x)
// WEBASSEMBLY: ret
}
f32x4 abs_f32x4(f32x4 x) {
return __builtin_wasm_abs_f32x4(x);
// WEBASSEMBLY: call <4 x float> @llvm.fabs.v4f32(<4 x float> %x)

1
llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
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@ -848,6 +848,7 @@ multiclass SIMDBitmask<ValueType vec_t, string vec, bits<32> simdop> {
defm BITMASK : SIMDBitmask<v16i8, "i8x16", 100>;
defm BITMASK : SIMDBitmask<v8i16, "i16x8", 132>;
defm BITMASK : SIMDBitmask<v4i32, "i32x4", 164>;
defm BITMASK : SIMDBitmask<v2i64, "i64x2", 196>;
//===----------------------------------------------------------------------===//
// Bit shifts

10
llvm/test/CodeGen/WebAssembly/simd-intrinsics.ll
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@ -646,6 +646,16 @@ define i32 @all_v2i64(<2 x i64> %x) {
ret i32 %a
}
; CHECK-LABEL: bitmask_v2i64:
; SIMD128-NEXT: .functype bitmask_v2i64 (v128) -> (i32){{$}}
; SIMD128-NEXT: i64x2.bitmask $push[[R:[0-9]+]]=, $0{{$}}
; SIMD128-NEXT: return $pop[[R]]{{$}}
declare i32 @llvm.wasm.bitmask.v2i64(<2 x i64>)
define i32 @bitmask_v2i64(<2 x i64> %x) {
%a = call i32 @llvm.wasm.bitmask.v2i64(<2 x i64> %x)
ret i32 %a
}
; CHECK-LABEL: bitselect_v2i64:
; SIMD128-NEXT: .functype bitselect_v2i64 (v128, v128, v128) -> (v128){{$}}
; SIMD128-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $0, $1, $2{{$}}

3
llvm/test/MC/WebAssembly/simd-encodings.s
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@ -523,6 +523,9 @@ main:
# CHECK: i64x2.all_true # encoding: [0xfd,0xc3,0x01]
i64x2.all_true
# CHECK: i64x2.bitmask # encoding: [0xfd,0xc4,0x01]
i64x2.bitmask
# CHECK: i64x2.widen_low_i32x4_s # encoding: [0xfd,0xc7,0x01]
i64x2.widen_low_i32x4_s