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util: no-op __builtin_types_compatible_p() for non-GCC compilers

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__builtin_types_compatible_p() is GCC-specific and breaks the
MSVC build.

This intrinsic has been in u_vector_foreach() for a long time, but
that macro has only recently been used in code
(nir/nir_opt_comparison_pre.c) that's built with MSVC.

Fixes: 2cf59861a ("nir: Add partial redundancy elimination for compares")

Reviewed-by: José Fonseca <jfonseca@vmware.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Brian Paul 2019-03-29 10:45:44 -06:00
parent 3b20ca34ae
commit b8e077daee
1 changed files with 4 additions and 0 deletions
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4
src/util/u_vector.h
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@ -80,6 +80,10 @@ u_vector_finish(struct u_vector *queue)
free(queue->data); free(queue->data);
} }
#ifndef __GNUC__
#define __builtin_types_compatible_p(x) 1
#endif
#define u_vector_foreach(elem, queue) \ #define u_vector_foreach(elem, queue) \
STATIC_ASSERT(__builtin_types_compatible_p(__typeof__(queue), struct u_vector *)); \ STATIC_ASSERT(__builtin_types_compatible_p(__typeof__(queue), struct u_vector *)); \
for (uint32_t __u_vector_offset = (queue)->tail; \ for (uint32_t __u_vector_offset = (queue)->tail; \