Author: Stefano Rivera <stef...@rivera.za.net>
Branch: release-pypy3.6-v7.x
Changeset: r97720:6042bdab85aa
Date: 2019-10-04 10:58 +0300
http://bitbucket.org/pypy/pypy/changeset/6042bdab85aa/
Log: Handle ProcessorAutodetectError in _pypyjson.simd (grafted from
f3edc9623b51656f56f4a855327e77103050ef9e)
diff --git a/pypy/module/_pypyjson/simd.py b/pypy/module/_pypyjson/simd.py
--- a/pypy/module/_pypyjson/simd.py
+++ b/pypy/module/_pypyjson/simd.py
@@ -1,7 +1,7 @@
from rpython.rtyper.lltypesystem import lltype, rffi
from rpython.rlib import objectmodel, unroll
from rpython.rlib.rarithmetic import r_uint, intmask, LONG_BIT
-from rpython.jit.backend.detect_cpu import autodetect
+from rpython.jit.backend.detect_cpu import autodetect, ProcessorAutodetectError
# accelerators for string operations using simd on regular word sizes (*not*
# SSE instructions). this style is sometimes called SWAR (SIMD Within A
@@ -15,8 +15,11 @@
WORD_SIZE = 8
EVERY_BYTE_ONE = 0x0101010101010101
EVERY_BYTE_HIGHEST_BIT = 0x8080808080808080
- if autodetect() == "x86-64":
- USE_SIMD = True
+ try:
+ if autodetect() == "x86-64":
+ USE_SIMD = True
+ except ProcessorAutodetectError:
+ pass
else:
WORD_SIZE = 4
EVERY_BYTE_ONE = 0x01010101
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