Matej Cepl
85c14cfd92
a workardond against https://bitbucket.org/cffi/cffi/issues/378/ (possible bug in GCC, see https://bugzilla.redhat.com/1552724). OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-cffi?expand=0&rev=50
47 lines
1.7 KiB
Diff
47 lines
1.7 KiB
Diff
# HG changeset patch
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# User Armin Rigo <arigo@tunes.org>
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# Date 1536839482 -7200
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# Node ID 3184b0a675fc425b821b528d7fdf744b2f08dadf
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# Parent 97a61f7b0bcd48eb74f136280ffd8733e829f153
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Issue 378
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Workaround for a GCC bug
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diff --git a/c/_cffi_backend.c b/c/_cffi_backend.c
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--- a/c/_cffi_backend.c
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+++ b/c/_cffi_backend.c
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@@ -892,11 +892,21 @@
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return 0;
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}
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+#ifdef __GNUC__
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+/* This is a workaround for what I think is a GCC bug on several
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+ platforms. See issue #378. */
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+__attribute__((noinline))
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+#endif
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+void _cffi_memcpy(char *target, const void *src, size_t size)
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+{
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+ memcpy(target, src, size);
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+}
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+
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#define _write_raw_data(type) \
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do { \
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if (size == sizeof(type)) { \
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type r = (type)source; \
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- memcpy(target, &r, sizeof(type)); \
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+ _cffi_memcpy(target, &r, sizeof(type)); \
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return; \
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} \
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} while(0)
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@@ -970,8 +980,8 @@
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if (size == 2*sizeof(type)) { \
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type r = (type)source.real; \
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type i = (type)source.imag; \
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- memcpy(target, &r, sizeof(type)); \
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- memcpy(target+sizeof(type), &i, sizeof(type)); \
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+ _cffi_memcpy(target, &r, sizeof(type)); \
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+ _cffi_memcpy(target+sizeof(type), &i, sizeof(type)); \
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return; \
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} \
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} while(0)
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