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Mark modified inline asm operands as read-write (+r / +c) and add missing volatile/memory clobbers so compilers and LTO do not assume modified registers remain unchanged across asm blocks: - HashDjb2_NEON (compare_neon64.cc): [src] "+r"(src) for post-increment ldr - FixedDiv1_X86 (scale_gcc.cc): "+c"(div) for sub $0x1, %1 - P410ToARGBRow_SVE_SC & P410ToAR30Row_SVE_SC (row_sve.h): [vl] "+r"(vl) for tail cntw %x[vl] - SwapUVRow_RVV & ARGBMultiplyRow_RVV (row_rvv.cc): use asm volatile and "memory" clobber instead of VLA memory operands on mutated pointers R=rrwinterton@gmail.com Bug: b/571179207 Test: libyuv_unittest Change-Id: I3c2475d1e5bdab13e74643a028eebc350edcc1bb Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8565646 Reviewed-by: richard winterton <rrwinterton@gmail.com> Commit-Queue: Frank Barchard <fbarchard@google.com> |
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| libyuv.h | ||