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Use large code model for 64-bit builds #24

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5 changes: 5 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -145,6 +145,11 @@ if (NOT MSVC)
endif()
endif()

# Ensure large code model for 64-bit x86 builds to handle large static tables
if (CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64" OR CMAKE_SYSTEM_PROCESSOR MATCHES "amd64")
add_compile_options(-mcmodel=large)
endif()

#
# build the library
#
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12 changes: 6 additions & 6 deletions Makefile
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Expand Up @@ -435,13 +435,13 @@ endif
ifndef RISCV

ifeq ($(UNAME_M),$(filter $(UNAME_M),x86_64 i686 amd64))
# Use all CPU extensions that are available:
MK_CFLAGS += -march=native -mtune=native
HOST_CXXFLAGS += -march=native -mtune=native
# Use all CPU extensions that are available:
MK_CFLAGS += -march=native -mtune=native -mcmodel=large
HOST_CXXFLAGS += -march=native -mtune=native -mcmodel=large

# Usage AVX-only
#MK_CFLAGS += -mfma -mf16c -mavx
#MK_CXXFLAGS += -mfma -mf16c -mavx
# Usage AVX-only
#MK_CFLAGS += -mfma -mf16c -mavx
#MK_CXXFLAGS += -mfma -mf16c -mavx

# Usage SSSE3-only (Not is SSE3!)
#MK_CFLAGS += -mssse3
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