diff options
Diffstat (limited to 'contrib/guix/patches/binutils-unaligned-default.patch')
| -rw-r--r-- | contrib/guix/patches/binutils-unaligned-default.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/contrib/guix/patches/binutils-unaligned-default.patch b/contrib/guix/patches/binutils-unaligned-default.patch new file mode 100644 index 0000000000..d1bc71aee1 --- /dev/null +++ b/contrib/guix/patches/binutils-unaligned-default.patch @@ -0,0 +1,22 @@ +commit 6537181f59ed186a341db621812a6bc35e22eaf6 +Author: fanquake <fanquake@gmail.com> +Date: Wed Apr 10 12:15:52 2024 +0200 + + build: turn on -muse-unaligned-vector-move by default + + This allows us to avoid (more invasively) patching GCC, to avoid + unaligned instruction use. + +diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c +index e0632681477..14a9653abdf 100644 +--- a/gas/config/tc-i386.c ++++ b/gas/config/tc-i386.c +@@ -801,7 +801,7 @@ static unsigned int no_cond_jump_promotion = 0; + static unsigned int sse2avx; + + /* Encode aligned vector move as unaligned vector move. */ +-static unsigned int use_unaligned_vector_move; ++static unsigned int use_unaligned_vector_move = 1; + + /* Encode scalar AVX instructions with specific vector length. */ + static enum |