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Fix compilation with MinGW-W64-Clang under Windows-Arm64 #5933

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Merged
martin-frbg merged 4 commits into from
Jul 20, 2026
+6 −8
Merged

Fix compilation with MinGW-W64-Clang under Windows-Arm64 #5933

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544afb1
stack-hazard-size is a llvm backend option
martin-frbg Jul 19, 2026
0d928ca
stack-hazard-size is a llvm backend option
martin-frbg Jul 19, 2026
96d60aa
Fix version check and prefix llvm backend option
martin-frbg Jul 19, 2026
4ab4f1e
Fix identification of MinGW64 on WoA
martin-frbg Jul 19, 2026
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2 changes: 1 addition & 1 deletion Makefile.arm64
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Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,7 @@ CCOMMON_OPT += -march=armv9-a+sve2+sme
FCOMMON_OPT += -march=armv9-a+sve2
ifdef OS_WINDOWS
ifeq ($(C_COMPILER), CLANG)
CCOMMON_OPT += --aarch64-stack-hazard-size=0
CCOMMON_OPT += -mllvm --aarch64-stack-hazard-size=0
endif
endif
endif
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2 changes: 1 addition & 1 deletion cmake/cc.cmake
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Expand Up @@ -317,7 +317,7 @@ if (${CORE} STREQUAL ARMV9SME)
else ()
set (CCOMMON_OPT "${CCOMMON_OPT} -march=armv9-a+sme")
if (CMAKE_SYSTEM_NAME STREQUAL "Windows" AND CMAKE_C_COMPILER_ID MATCHES "Clang")
set (CCOMMON_OPT "${CCOMMON_OPT} --aarch64-stack-hazard-size=0")
set (CCOMMON_OPT "${CCOMMON_OPT} -mllvm --aarch64-stack-hazard-size=0")
endif ()
endif ()
endif ()
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8 changes: 3 additions & 5 deletions cmake/system.cmake
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Expand Up @@ -368,22 +368,20 @@ if (${TARGET} STREQUAL NEOVERSEV1)
if (${TARGET} STREQUAL ARMV9SME)
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=armv9-a+sme -O3")
if (${CMAKE_SYSTEM_NAME} STREQUAL Windows AND ${CMAKE_C_COMPILER_ID} MATCHES "Clang")
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} --aarch64-stack-hazard-size=0")
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -mllvm --aarch64-stack-hazard-size=0")
endif()
endif()
if (${TARGET} STREQUAL VORTEXM4)
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=armv8.4-a+sme -O3")
if (${CMAKE_SYSTEM_NAME} STREQUAL Windows AND ${CMAKE_C_COMPILER_ID} MATCHES "Clang")
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} --aarch64-stack-hazard-size=0")
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -mllvm --aarch64-stack-hazard-size=0")
endif()
endif()
if (${TARGET} STREQUAL A64FX)
if (${CMAKE_C_COMPILER_ID} STREQUAL "PGI" AND NOT NO_SVE)
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -Msve-intrinsics -march=armv8.2-a+sve -mtune=a64fx")
else ()
set (GCC_VERSION 0.0)
execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
if (${GCC_VERSION} VERSION_GREATER 10.4 OR ${GCC_VERSION} VERSION_EQUAL 10.4)
if (CMAKE_C_COMPILER_VERSION VERSION_GREATER 10.4 OR CMAKE_C_COMPILER_VERSION VERSION_EQUAL 10.4)
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=armv8.2-a+sve -mtune=a64fx")
else ()
message(FATAL_ERROR "Compiler $${CMAKE_C_COMPILER} {GCC_VERSION} does not support A64FX.")
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2 changes: 1 addition & 1 deletion cmake/system_check.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ if(MINGW)
execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpmachine
OUTPUT_VARIABLE OPENBLAS_MINGW_TARGET_MACHINE
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(OPENBLAS_MINGW_TARGET_MACHINE MATCHES "amd64|x86_64|AMD64")
if(OPENBLAS_MINGW_TARGET_MACHINE MATCHES "amd64|x86_64|AMD64|aarch64")
set(MINGW64 1)
endif()
endif()
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