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[Hexagon] Define __HVX_IEEE_FP__ when -mhvx-ieee-fp is enabled (#183829)

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Add a __HVX_IEEE_FP__ define when the compiler is invoked with
-mhvx-ieee-fp flag
This commit is contained in:
Ankit Aggarwal 2026-02-27 15:51:03 -08:00 committed by Cullen Rhodes
parent dc9d64aad7
commit e6e59749af
3 changed files with 20 additions and 0 deletions
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6
clang/lib/Basic/Targets/Hexagon.cpp
View file

@ -102,6 +102,9 @@ void HexagonTargetInfo::getTargetDefines(const LangOptions &Opts,
Builder.defineMacro("__HVXDBL__");
}
if (HasHVXIeeeFp)
Builder.defineMacro("__HVX_IEEE_FP__");
if (hasFeature("audio")) {
Builder.defineMacro("__HEXAGON_AUDIO__");
}
@ -148,6 +151,8 @@ bool HexagonTargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
UseLongCalls = true;
else if (F == "-long-calls")
UseLongCalls = false;
else if (F == "+hvx-ieee-fp")
HasHVXIeeeFp = true;
else if (F == "+audio")
HasAudio = true;
}
@ -242,6 +247,7 @@ bool HexagonTargetInfo::hasFeature(StringRef Feature) const {
.Case("hvx", HasHVX)
.Case("hvx-length64b", HasHVX64B)
.Case("hvx-length128b", HasHVX128B)
.Case("hvx-ieee-fp", HasHVXIeeeFp)
.Case("long-calls", UseLongCalls)
.Case("audio", HasAudio)
.Default(false);

1
clang/lib/Basic/Targets/Hexagon.h
View file

@ -32,6 +32,7 @@ class LLVM_LIBRARY_VISIBILITY HexagonTargetInfo : public TargetInfo {
bool HasHVX = false;
bool HasHVX64B = false;
bool HasHVX128B = false;
bool HasHVXIeeeFp = false;
bool HasAudio = false;
bool UseLongCalls = false;

13
clang/test/Preprocessor/hexagon-predefines.c
View file

@ -105,8 +105,21 @@
// CHECK-V68HVX-128B: #define __HVX_ARCH__ 68
// CHECK-V68HVX-128B: #define __HVX_LENGTH__ 128
// CHECK-V68HVX-128B: #define __HVX__ 1
// CHECK-V68HVX-128B-NOT: #define __HVX_IEEE_FP__ 1
// CHECK-V68HVX-128B: #define __hexagon__ 1
// RUN: %clang_cc1 -E -dM -triple hexagon-unknown-elf -target-cpu hexagonv68 \
// RUN: -target-feature +hvxv68 -target-feature +hvx-length128b \
// RUN: -target-feature +hvx-ieee-fp %s | FileCheck \
// RUN: %s -check-prefix CHECK-V68HVX-IEEE-FP
// CHECK-V68HVX-IEEE-FP: #define __HEXAGON_ARCH__ 68
// CHECK-V68HVX-IEEE-FP: #define __HEXAGON_V68__ 1
// CHECK-V68HVX-IEEE-FP: #define __HVX_ARCH__ 68
// CHECK-V68HVX-IEEE-FP: #define __HVX_IEEE_FP__ 1
// CHECK-V68HVX-IEEE-FP: #define __HVX_LENGTH__ 128
// CHECK-V68HVX-IEEE-FP: #define __HVX__ 1
// CHECK-V68HVX-IEEE-FP: #define __hexagon__ 1
// RUN: %clang_cc1 -E -dM -triple hexagon-unknown-elf -target-cpu hexagonv69 \
// RUN: -target-feature +hvxv69 -target-feature +hvx-length128b %s | FileCheck \
// RUN: %s -check-prefix CHECK-V69HVX-128B