| commit | 94a61241b02064c7d9fe508f72a742f2a90b8492 | [log] [tgz] |
|---|---|---|
| author | Erik de Castro Lopo <erikd@mega-nerd.com> | Thu May 05 17:21:20 2016 +1000 |
| committer | Erik de Castro Lopo <erikd@mega-nerd.com> | Thu May 05 17:23:52 2016 +1000 |
| tree | 63929d6dc3541cf2dc6500114f507c3dc155a156 | |
| parent | 387992bd6411411739014e633a80cfe639e4db36 [diff] |
libFLAC: Add a workaround for a bug in MSVC2105 update2
MSVC2105 update2 compiles the C code:
abs_residual_partition_sums[partition] =
(FLAC__uint32)_mm_cvtsi128_si32(mm_sum);
into this:
movq QWORD PTR [rsi], xmm2
while it should be:
movd eax, xmm2
mov QWORD PTR [rsi], rax
With this patch, MSVC emits:
movq QWORD PTR [rsi], xmm2
mov DWORD PTR [rsi+4], r9d
so the price of this workaround is 1 extra write instruction per
partition.
Patch-from: lvqcl <lvqcl.mail@gmail.com>