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cpu.h: add WEBP_AARCH64

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and define it to true for __aarch64__ and Win Arm64 + Visual Studio.

Microsoft's compiler (cl.exe) does not define __aarch64__, but relies on
_M_ARM64 & _M_ARM64EC

Bug: b/277254922
Change-Id: I20e4fa07a4031599db69e3d7ba9050345315ef51
This commit is contained in:
James Zern
2023-05-01 21:55:05 -07:00
parent 8151f388eb
commit 0c496a4ff9
11 changed files with 24 additions and 16 deletions
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4
src/dsp/neon.h
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@ -21,7 +21,7 @@
// Right now, some intrinsics functions seem slower, so we disable them
// everywhere except newer clang/gcc or aarch64 where the inline assembly is
// incompatible.
#if LOCAL_CLANG_PREREQ(3,8) || LOCAL_GCC_PREREQ(4,9) || defined(__aarch64__)
#if LOCAL_CLANG_PREREQ(3,8) || LOCAL_GCC_PREREQ(4,9) || WEBP_AARCH64
#define WEBP_USE_INTRINSICS // use intrinsics when possible
#endif
@ -46,7 +46,7 @@
// if using intrinsics, this flag avoids some functions that make gcc-4.6.3
// crash ("internal compiler error: in immed_double_const, at emit-rtl.").
// (probably similar to gcc.gnu.org/bugzilla/show_bug.cgi?id=48183)
#if !(LOCAL_CLANG_PREREQ(3,8) || LOCAL_GCC_PREREQ(4,8) || defined(__aarch64__))
#if !(LOCAL_CLANG_PREREQ(3,8) || LOCAL_GCC_PREREQ(4,8) || WEBP_AARCH64)
#define WORK_AROUND_GCC
#endif