Commit 9475e6ac authored by Ronald S. Bultje's avatar Ronald S. Bultje Committed by Fiona Glaser
Browse files

x86-32: use simple nop codes for <= sse

The "CentaurHauls family 6 model 9 stepping 8" family of CPUs (flags:
fpu vme de pse tsc msr cx8 sep mtrr pge mov pat mmx fxsr sse up rng
rng_en ace ace_en) SIGILLs on long nop codes.
parent 732b072a
......@@ -735,6 +735,7 @@ SECTION .note.GNU-stack noalloc noexec nowrite progbits
; All subsequent functions (up to the next INIT_CPUFLAGS) is built for the specified cpu.
; You shouldn't need to invoke this macro directly, it's a subroutine for INIT_MMX &co.
%macro INIT_CPUFLAGS 0-2
CPU amdnop
%if %0 >= 1
%xdefine cpuname %1
%assign cpuflags cpuflags_%1
......@@ -756,6 +757,9 @@ SECTION .note.GNU-stack noalloc noexec nowrite progbits
%elifidn %1, sse3
%define movu lddqu
%if ARCH_X86_64 == 0 && notcpuflag(sse2)
CPU basicnop
%xdefine SUFFIX
%undef cpuname
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment