caio/clang-p2996
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[clang] Add GCC-compatible code model names for sparc64

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This adds GCC-compatible names for code model selection on 64-bit SPARC
with absolute code.
Testing with a 2-stage build then running codegen tests works okay under
all of the supported code models.

(32-bit target does not have selectable code models)

Reviewed By: @brad0, @MaskRay
This commit is contained in:
Koakuma
2024-02-04 11:08:00 +07:00
committed by GitHub
parent 9dfdea6fbd
commit b0f0babff2
2 changed files with 14 additions and 0 deletions
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8
clang/lib/Driver/ToolChains/Clang.cpp
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@@ -5781,6 +5781,14 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
// NVPTX/AMDGPU does not care about the code model and will accept
// whatever works for the host.
Ok = true;
} else if (Triple.isSPARC64()) {
if (CM == "medlow")
CM = "small";
else if (CM == "medmid")
CM = "medium";
else if (CM == "medany")
CM = "large";
Ok = CM == "small" || CM == "medium" || CM == "large";
}
if (Ok) {
CmdArgs.push_back(Args.MakeArgString("-mcmodel=" + CM));

6
clang/test/Driver/sparc64-codemodel.c Normal file
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@@ -0,0 +1,6 @@
// RUN: %clang --target=sparc64 -mcmodel=medlow %s -### 2>&1 | FileCheck -check-prefix=MEDLOW %s
// RUN: %clang --target=sparc64 -mcmodel=medmid %s -### 2>&1 | FileCheck -check-prefix=MEDMID %s
// RUN: %clang --target=sparc64 -mcmodel=medany %s -### 2>&1 | FileCheck -check-prefix=MEDANY %s
// MEDLOW: "-mcmodel=small"
// MEDMID: "-mcmodel=medium"
// MEDANY: "-mcmodel=large"