smokephil/ardour
1
0
Fork 0
mirror of https://github.com/Ardour/ardour.git synced 2025-12-10 08:36:32 +01:00
Code Issues Projects Releases Wiki Activity

Hopefully last in line of assembler fixes

Browse source 
git-svn-id: svn://localhost/ardour2/trunk@1291 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Sampo Savolainen 2007-01-09 18:05:50 +00:00
parent 40cfe86141
commit 5c7a3c680b
1 changed files with 8 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

16
libs/ardour/globals.cc
View file

@ -200,39 +200,39 @@ setup_hardware_optimization (bool try_optimization)
#if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
unsigned int use_sse = 0;
unsigned long use_sse = 0;
#ifndef USE_X86_64_ASM
asm volatile (
asm (
"mov $1, %%eax\n"
"pushl %%ebx\n"
"cpuid\n"
"andl $33554432, %%edx\n"
"movl %%edx, %0\n"
"popl %%ebx\n"
: "=m" (use_sse)
: "=l" (use_sse)
:
: "%eax", "%ecx", "%edx", "memory");
#else
asm volatile (
asm (
"movq $1, %%rax\n"
"pushq %%rbx\n"
"cpuid\n"
"andq $33554432, %%rdx\n"
"movq %%rdx, %0\n"
"popq %%rbx\n"
: "=m" (use_sse)
: "=l" (use_sse)
:
: "%rax", "%rcx", "%rdx", "memory");
#endif /* USE_X86_64_ASM */
use_sse &= (1 << 25); // bit 25 = SSE support
if (use_sse) {
info << "Using SSE optimized routines" << endmsg;
// SSE SET
Session::compute_peak = x86_sse_compute_peak;
Session::compute_peak = x86_sse_compute_peak;
Session::apply_gain_to_buffer = x86_sse_apply_gain_to_buffer;
Session::mix_buffers_with_gain = x86_sse_mix_buffers_with_gain;
Session::mix_buffers_no_gain = x86_sse_mix_buffers_no_gain;