From: Øyvind Kolås <pippin@gimp.org>
Date: Mon, 17 Jan 2022 18:07:07 +0000 (+0100)
Subject: babl: set ecx to 0 in cpuid
X-Git-Tag: archive/raspbian/1%0.1.106-3+rpi1^2~15^2~4^2~67
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=362f6e73cacb5ebdc34243e6719548c8fba8bef3;p=babl.git

babl: set ecx to 0 in cpuid

This is neccesary to be able to detect AVX2 reliably.
---

diff --git a/babl/babl-cpuaccel.c b/babl/babl-cpuaccel.c
index ef26fa5..6c1f1cc 100644
--- a/babl/babl-cpuaccel.c
+++ b/babl/babl-cpuaccel.c
@@ -136,7 +136,7 @@ enum
              "=S" (ebx),           \
              "=c" (ecx),           \
              "=d" (edx)            \
-           : "0" (op))
+           : "0" (op), "2" (0))
 #else
 #define cpuid(op,eax,ebx,ecx,edx)  \
   __asm__ ("xor %%ecx, %%ecx\n\t"  \
@@ -145,7 +145,7 @@ enum
              "=b" (ebx),           \
              "=c" (ecx),           \
              "=d" (edx)            \
-           : "0" (op))
+           : "0" (op), "2" (0))
 #endif