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gstreamer/gst/gstconfig.h.in: Add support for LoongArch

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While current and future LoongArch machines that are supposed to run
GStreamer all support unaligned accesses, there might be future
lower-end cores (e.g. the embedded product line) without such support,
and we may not want to penalize these use cases.

So, mark LoongArch as not supporting unaligned accesses for now, and
hope the compilers do a good job optimizing them. We can always flip
switch later.

Suggested-by: CHEN Tao <redeast_cn@outlook.com>
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2450>
This commit is contained in:
WANG Xuerui 2022-05-18 10:04:08 +08:00 committed by Tim-Philipp Müller
parent 9f59ce4824
commit 6f727c219f
1 changed files with 1 additions and 1 deletions
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subprojects/gstreamer/gst/gstconfig.h.in
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@ -124,7 +124,7 @@
* http://docs.oracle.com/cd/E19205-01/820-4155/c++_faq.html#Vers6
* https://software.intel.com/en-us/node/583402
*/
#if defined(__alpha__) || defined(__arc__) || defined(__arm__) || defined(__aarch64__) || defined(__bfin) || defined(__hppa__) || defined(__nios2__) || defined(__MICROBLAZE__) || defined(__mips__) || defined(__or1k__) || defined(__sh__) || defined(__SH4__) || defined(__sparc__) || defined(__sparc) || defined(__ia64__) || defined(_M_ALPHA) || defined(_M_ARM) || defined(_M_ARM64) || defined(_M_IA64) || defined(__xtensa__) || defined(__e2k__) || defined(__riscv) || defined(__ARC64__)
#if defined(__alpha__) || defined(__arc__) || defined(__arm__) || defined(__aarch64__) || defined(__bfin) || defined(__hppa__) || defined(__nios2__) || defined(__MICROBLAZE__) || defined(__mips__) || defined(__or1k__) || defined(__sh__) || defined(__SH4__) || defined(__sparc__) || defined(__sparc) || defined(__ia64__) || defined(_M_ALPHA) || defined(_M_ARM) || defined(_M_ARM64) || defined(_M_IA64) || defined(__xtensa__) || defined(__e2k__) || defined(__riscv) || defined(__ARC64__) || defined(__loongarch__)
# define GST_HAVE_UNALIGNED_ACCESS 0
#elif defined(__i386__) || defined(__i386) || defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__ppc__) || defined(__ppc64__) || defined(__powerpc__) || defined(__powerpc64__) || defined(__m68k__) || defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64) || defined(__s390__) || defined(__s390x__) || defined(__zarch__)
# define GST_HAVE_UNALIGNED_ACCESS 1