dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2025-04-11 11:26:47 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge "dsp: add sse4.1 detection"

Browse Source
This commit is contained in:
pascal massimino 2015-03-19 00:08:02 -07:00 committed by Gerrit Code Review
commit 4a95384b34
2 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/dsp/cpu.c
View File

@ -87,6 +87,9 @@ static int x86CPUInfo(CPUFeature feature) {
if (feature == kSSE3) { if (feature == kSSE3) {
return 0 != (cpu_info[2] & 0x00000001); return 0 != (cpu_info[2] & 0x00000001);
} }
if (feature == kSSE4_1) {
return 0 != (cpu_info[2] & 0x00080000);
}
if (feature == kAVX) { if (feature == kAVX) {
// bits 27 (OSXSAVE) & 28 (256-bit AVX) // bits 27 (OSXSAVE) & 28 (256-bit AVX)
if ((cpu_info[2] & 0x18000000) == 0x18000000) { if ((cpu_info[2] & 0x18000000) == 0x18000000) {

1
src/dsp/dsp.h
View File

@ -102,6 +102,7 @@ extern "C" {
typedef enum { typedef enum {
kSSE2, kSSE2,
kSSE3, kSSE3,
kSSE4_1,
kAVX, kAVX,
kAVX2, kAVX2,
kNEON, kNEON,