add a kSlowSSSE3 feature for CPUInfo

This is meant to be used for run-time detection of slow platforms regarding instructions like pshufb and bsr. Adapted from libvpx patch: https://chromium-review.googlesource.com/#/c/367731 Change-Id: I2c22fbb9aae699d87a041393ba1ad5f1f21ff640
2025-07-13 14:34:33 +02:00 · 2017-01-12 01:21:36 -08:00
parent 28fe054e73
commit 86bbd24552
2 changed files with 41 additions and 5 deletions
--- a/src/dsp/dsp.h
+++ b/src/dsp/dsp.h
@ -132,6 +132,7 @@ extern "C" {
 typedef enum {
  kSSE2,
  kSSE3,
+  kSlowSSSE3,  // special feature for slow SSSE3 architectures
  kSSE4_1,
  kAVX,
  kAVX2,