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Dont build any SIMD code when the target is neither ARM64 nor x86/amd64

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This commit is contained in:
Kovid Goyal
2024-01-24 22:04:28 +05:30
parent 8dd6f9b07c
commit 73342411bc
2 changed files with 12 additions and 5 deletions
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8
kitty/simd-string-impl.h
View File

@@ -4,6 +4,13 @@
* Distributed under terms of the GPL3 license.
*/
#pragma once
#ifdef KITTY_NO_SIMD
bool utf8_decode_to_esc_128(UTF8Decoder *d, const uint8_t *src, size_t src_sz) { fatal("No SIMD implementations for this CPU"); }
bool utf8_decode_to_esc_256(UTF8Decoder *d, const uint8_t *src, size_t src_sz) { fatal("No SIMD implementations for this CPU"); }
const uint8_t* find_either_of_two_bytes_128(const uint8_t *haystack, const size_t sz, const uint8_t a, const uint8_t b) { fatal("No SIMD implementations for this CPU"); }
const uint8_t* find_either_of_two_bytes_256(const uint8_t *haystack, const size_t sz, const uint8_t a, const uint8_t b) { fatal("No SIMD implementations for this CPU"); }
#else
#ifndef KITTY_SIMD_LEVEL
#define KITTY_SIMD_LEVEL 128
#endif
@@ -574,3 +581,4 @@ invalid_utf8:
#undef sum_bytes
#undef is_zero
#undef print_register_as_bytes
#endif // KITTY_NO_SIMD

9
setup.py
View File

@@ -709,12 +709,11 @@ def get_source_specific_defines(env: Env, src: str) -> Tuple[str, List[str], Opt
def get_source_specific_cflags(env: Env, src: str) -> List[str]:
ans = list(env.cflags)
# SIMD specific flags, ignored for native optimizations as they give slightly better performance
if src == 'kitty/simd-string-128.c':
if src in ('kitty/simd-string-128.c', 'kitty/simd-string-256.c'):
if env.binary_arch.isa in (ISA.AMD64, ISA.X86):
ans.append('-msse4.2')
elif src == 'kitty/simd-string-256.c':
if env.binary_arch.isa in (ISA.AMD64, ISA.X86):
ans.append('-mavx2')
ans.append('-msse4.2' if '128' in src else '-mavx2')
elif env.binary_arch.isa != ISA.ARM64:
ans.append('-DKITTY_NO_SIMD')
elif src.startswith('3rdparty/base64/lib/arch/'):
if env.binary_arch.isa in (ISA.AMD64, ISA.X86):
q = src.split(os.path.sep)