commit 1c9202e7da20e531aeb295d1ce7d35161d64b97d
author Jerome Jiang <jianj@google.com> Tue Apr 15 20:20:17 2025
committer Jerome Jiang <jianj@google.com> Tue Apr 15 23:18:20 2025
tree f0ffc47c55701cc178706ba5ee9fab67a0d49f61
parent 748eb8338906a21e1a68d6aaf1c17af345140e1b

Fix comment for avx512 detection

AVX-512VL is bit 31, not 32

Change-Id: Id1012aff5c1c96ff9b1cfc91fb742752b5a27bef

vpx_ports/x86.h

diff --git a/vpx_ports/x86.h b/vpx_ports/x86.h
index 3fa50b2..bf5bd61 100644
--- a/vpx_ports/x86.h
+++ b/vpx_ports/x86.h
@@ -213,7 +213,7 @@
         if (reg_ebx & BIT(5)) flags |= HAS_AVX2;
 
         // bits 16 (AVX-512F) & 17 (AVX-512DQ) & 28 (AVX-512CD) &
-        // 30 (AVX-512BW) & 32 (AVX-512VL)
+        // 30 (AVX-512BW) & 31 (AVX-512VL)
         if ((reg_ebx & (BIT(16) | BIT(17) | BIT(28) | BIT(30) | BIT(31))) ==
             (BIT(16) | BIT(17) | BIT(28) | BIT(30) | BIT(31))) {
           // Check for OS-support of ZMM and YMM state. Necessary for AVX-512.