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Disable SSE2 JIT optimizations in x86 CPUs when SSE2 is not available.

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Zoltán Herczeg 2019-03-25 14:10:24 +00:00
parent e85de98d0a
commit 590bc16842
2 changed files with 4 additions and 1 deletions
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3
ChangeLog
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@ -146,6 +146,9 @@ it appears to work fine on Linux.
source directory wasn't in the search path for AC_TRY_COMPILE always. Patch source directory wasn't in the search path for AC_TRY_COMPILE always. Patch
from Ross Burton. from Ross Burton.
36. Disable SSE2 JIT optimizations in x86 CPUs when SSE2 is not available.
Patch by Guillem Jover.
Version 10.32 10-September-2018 Version 10.32 10-September-2018
------------------------------- -------------------------------

2
src/pcre2_jit_compile.c
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@ -6268,7 +6268,7 @@ for (i = 0; i < max; i++)
} }
#if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) && !(defined SUPPORT_VALGRIND) && !(defined _WIN64) #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) && !(defined SUPPORT_VALGRIND) && !(defined _WIN64)
if (check_fast_forward_char_pair_sse2(common, chars, max)) if (sljit_has_cpu_feature(SLJIT_HAS_SSE2) && check_fast_forward_char_pair_sse2(common, chars, max))
return TRUE; return TRUE;
#endif #endif