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[WebAssembly] Add preprocessor define for half-precision #90528

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Merged
merged 1 commit into from
Apr 30, 2024
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[WebAssembly] Add preprocessor define for half-precision #90528

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2 changes: 2 additions & 0 deletions clang/lib/Basic/Targets/WebAssembly.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,8 @@ void WebAssemblyTargetInfo::getTargetDefines(const LangOptions &Opts,
Builder.defineMacro("__wasm_extended_const__");
if (HasMultiMemory)
Builder.defineMacro("__wasm_multimemory__");
if (HasHalfPrecision)
Builder.defineMacro("__wasm_half_precision__");

Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
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12 changes: 12 additions & 0 deletions clang/test/Preprocessor/wasm-target-features.c
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Expand Up @@ -43,6 +43,15 @@
//
// EXTENDED-CONST: #define __wasm_extended_const__ 1{{$}}

// RUN: %clang -E -dM %s -o - 2>&1 \
// RUN: -target wasm32-unknown-unknown -mhalf-precision \
// RUN: | FileCheck %s -check-prefix=HALF-PRECISION
// RUN: %clang -E -dM %s -o - 2>&1 \
// RUN: -target wasm64-unknown-unknown -mhalf-precision \
// RUN: | FileCheck %s -check-prefix=HALF-PRECISION
//
// HALF-PRECISION: #define __wasm_half_precision__ 1{{$}}

// RUN: %clang -E -dM %s -o - 2>&1 \
// RUN: -target wasm32-unknown-unknown -mmultimemory \
// RUN: | FileCheck %s -check-prefix=MULTIMEMORY
Expand Down Expand Up @@ -135,6 +144,7 @@
// MVP-NOT: #define __wasm_bulk_memory__ 1{{$}}
// MVP-NOT: #define __wasm_exception_handling__ 1{{$}}
// MVP-NOT: #define __wasm_extended_const__ 1{{$}}
// MVP-NOT: #define __wasm_half_precision__ 1{{$}}
// MVP-NOT: #define __wasm_multimemory__ 1{{$}}
// MVP-NOT: #define __wasm_multivalue__ 1{{$}}
// MVP-NOT: #define __wasm_mutable_globals__ 1{{$}}
Expand Down Expand Up @@ -168,6 +178,7 @@
// GENERIC-NOT: #define __wasm_bulk_memory__ 1{{$}}
// GENERIC-NOT: #define __wasm_exception_handling__ 1{{$}}
// GENERIC-NOT: #define __wasm_extended_const__ 1{{$}}
// GENERIC-NOT: #define __wasm_half_precision__ 1{{$}}
// GENERIC-NOT: #define __wasm_multimemory__ 1{{$}}
// GENERIC-NOT: #define __wasm_nontrapping_fptoint__ 1{{$}}
// GENERIC-NOT: #define __wasm_relaxed_simd__ 1{{$}}
Expand All @@ -183,6 +194,7 @@
//
// BLEEDING-EDGE-INCLUDE-DAG: #define __wasm_atomics__ 1{{$}}
// BLEEDING-EDGE-INCLUDE-DAG: #define __wasm_bulk_memory__ 1{{$}}
// BLEEDING-EDGE-INCLUDE-DAG: #define __wasm_half_precision__ 1{{$}}
// BLEEDING-EDGE-INCLUDE-DAG: #define __wasm_multimemory__ 1{{$}}
// BLEEDING-EDGE-INCLUDE-DAG: #define __wasm_multivalue__ 1{{$}}
// BLEEDING-EDGE-INCLUDE-DAG: #define __wasm_mutable_globals__ 1{{$}}
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