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liblzma: Fix building with NVHPC (NVIDIA HPC SDK). 

NVHPC compiler has several issues that make it impossible to
build liblzma:
  - the compiler fails to produce valid code for delta_decode if the
    vectorization is enabled, which results in failed tests.

This introduces NVHPC-specific workarounds that address the issues.

(This commit was contributed under 0BSD but the author confirmed
that it is fine to backport it to the public domain branches. See
https://github.com/tukaani-project/xz/pull/90#issuecomment-2100185936
and the next two messages.)

(cherry picked from commit 096bc0e3f8)
(cherry picked from commit 65ac20807c)
This commit is contained in:
Sergey Kosukhin 2024-03-13 13:07:13 +01:00 committed by Lasse Collin
parent 13a0a0fc8f
commit 7de966a02b
1 changed files with 3 additions and 0 deletions
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3
src/liblzma/delta/delta_decoder.c
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@ -26,6 +26,9 @@ decode_buffer(lzma_delta_coder *coder, uint8_t *buffer, size_t size)
} }
#ifdef __NVCOMPILER
# pragma routine novector
#endif
static lzma_ret static lzma_ret
delta_decode(void *coder_ptr, const lzma_allocator *allocator, delta_decode(void *coder_ptr, const lzma_allocator *allocator,
const uint8_t *restrict in, size_t *restrict in_pos, const uint8_t *restrict in, size_t *restrict in_pos,