go/parquet/internal/utils/Makefile

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# to you under the Apache License, Version 2.0 (the
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#
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# this converts rotate instructions from "ro[lr] <reg>" -> "ro[lr] <reg>, 1" for yasm compatibility
PERL_FIXUP_ROTATE=perl -i -pe 's/(ro[rl]\s+\w{2,3})$$/\1, 1/'

C2GOASM=c2goasm
CC=clang
C_FLAGS=-target x86_64-unknown-none -masm=intel -mno-red-zone -mstackrealign -mllvm -inline-threshold=1000 \
				-fno-asynchronous-unwind-tables -fno-exceptions -fno-rtti -O3 -fno-builtin -ffast-math -fno-jump-tables -I_lib
ASM_FLAGS_AVX2=-mavx2 -mfma -mllvm -force-vector-width=32
ASM_FLAGS_SSE4=-msse4
ASM_FLAGS_BMI2=-mbmi2
ASM_FLAGS_POPCNT=-mpopcnt

GO_SOURCES  := $(shell find . -path ./_lib -prune -o -name '*.go' -not -name '*_test.go')
ALL_SOURCES := $(shell find . -path ./_lib -prune -o -name '*.go' -name '*.s' -not -name '*_test.go')

.PHONEY: assembly

INTEL_SOURCES := \
	bit_packing_avx2.s min_max_avx2.s min_max_sse4.s \
	unpack_bool_avx2.s unpack_bool_sse4.s

assembly: $(INTEL_SOURCES)

_lib/bit_packing_avx2.s: _lib/bit_packing_avx2.c
	$(CC) -S $(C_FLAGS) $(ASM_FLAGS_AVX2) $^ -o $@ ; $(PERL_FIXUP_ROTATE) $@; perl -i -pe 's/mem(cpy|set)/clib·_mem\1(SB)/' $@

_lib/min_max_avx2.s: _lib/min_max.c
	$(CC) -S $(C_FLAGS) $(ASM_FLAGS_AVX2) $^ -o $@ ; $(PERL_FIXUP_ROTATE) $@

_lib/min_max_sse4.s: _lib/min_max.c
	$(CC) -S $(C_FLAGS) $(ASM_FLAGS_SSE4) $^ -o $@ ; $(PERL_FIXUP_ROTATE) $@

_lib/unpack_bool_avx2.s: _lib/unpack_bool.c
	$(CC) -S $(C_FLAGS) $(ASM_FLAGS_AVX2) $^ -o $@ ; $(PERL_FIXUP_ROTATE) $@

_lib/unpack_bool_sse4.s: _lib/unpack_bool.c
	$(CC) -S $(C_FLAGS) $(ASM_FLAGS_SSE4) $^ -o $@ ; $(PERL_FIXUP_ROTATE) $@

bit_packing_avx2.s: _lib/bit_packing_avx2.s
	$(C2GOASM) -a -f $^ $@

min_max_avx2.s: _lib/min_max_avx2.s
	$(C2GOASM) -a -f $^ $@

min_max_sse4.s: _lib/min_max_sse4.s
	$(C2GOASM) -a -f $^ $@

unpack_bool_avx2.s: _lib/unpack_bool_avx2.s
	$(C2GOASM) -a -f $^ $@

unpack_bool_sse4.s: _lib/unpack_bool_sse4.s
	$(C2GOASM) -a -f $^ $@

clean:
	rm -f $(INTEL_SOURCES)
	rm -f $(addprefix _lib/,$(INTEL_SOURCES))