xref: /freebsd/lib/libthr/arch/amd64/Makefile.inc (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1#$FreeBSD$
2
3SRCS+=	_umtx_op_err.S
4
5# With the current compiler and libthr code, using SSE in libthr
6# does not provide enough performance improvement to outweigh
7# the extra context switch cost.  This can measurably impact
8# performance when the application also does not use enough SSE.
9CFLAGS+=${CFLAGS_NO_SIMD}
10