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[flang] Expose -m64 option (#132409)

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Exposes `-m64` option for Flang. 
These options can be used to build libraries or tools (e.g. OpenBlas).
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Jean-Didier PAILLEUX 2025-03-28 08:15:01 +01:00 committed by GitHub
parent a6e61ce239
commit 5b36835df0
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2 changed files with 8 additions and 1 deletions
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2
clang/include/clang/Driver/Options.td
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@ -4689,7 +4689,7 @@ def mqdsp6_compat : Flag<["-"], "mqdsp6-compat">, Group<m_Group>,
HelpText<"Enable hexagon-qdsp6 backward compatibility">,
MarshallingInfoFlag<LangOpts<"HexagonQdsp6Compat">>;
def m64 : Flag<["-"], "m64">, Group<m_Group>, Flags<[NoXarchOption]>,
Visibility<[ClangOption, CLOption, DXCOption]>;
Visibility<[ClangOption, CLOption, DXCOption, FlangOption]>;
def maix64 : Flag<["-"], "maix64">, Group<m_Group>, Flags<[NoXarchOption]>;
def mx32 : Flag<["-"], "mx32">, Group<m_Group>, Flags<[NoXarchOption]>,
Visibility<[ClangOption, CLOption, DXCOption]>;

7
flang/test/Driver/m64-option.f90 Normal file
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@ -0,0 +1,7 @@
! Check support of -m64.
! RUN: %flang -target i386-pc-win32 -m64 -### - %s 2>&1 | FileCheck -check-prefix=M64 %s
! RUN: %flang -target x86_64-linux-gnu -m64 -### - %s 2>&1 | FileCheck -check-prefix=M64 %s
! RUN: %flang -target x86_64-unknown-windows -m64 -### - %s 2>&1 | FileCheck -check-prefix=M64 %s
! RUN: %flang -target x86_64-unknown-macosx -m64 -### - %s 2>&1 | FileCheck -check-prefix=M64 %s
! M64: "-triple" "x86_64-{{.*}}"