Hello!
> As reported in [1] the host processor detection has not yet been updated
> to recognize Intel Ivy Bridge and Haswell processors.
> This small patch adds the detection of these processors and assumes
> core-avx2 as march for unknown processors of the PENTIUMPRO family that
> support AVX2.
I have committed slightly improved (attached) patch that uses
core-avx-i for IvyBridge and adds another IvyBridge model number.
While there, I also reordered a bunch of statements.
Thanks,
Uros.
Index: driver-i386.c
===================================================================
--- driver-i386.c (revision 202024)
+++ driver-i386.c (working copy)
@@ -644,13 +644,18 @@ const char *host_detect_local_cpu (int argc, const
/* Atom. */
cpu = "atom";
break;
+ case 0x0f:
+ /* Merom. */
+ case 0x17:
+ case 0x1d:
+ /* Penryn. */
+ cpu = "core2";
+ break;
case 0x1a:
case 0x1e:
case 0x1f:
case 0x2e:
/* Nehalem. */
- cpu = "corei7";
- break;
case 0x25:
case 0x2c:
case 0x2f:
@@ -662,20 +667,23 @@ const char *host_detect_local_cpu (int argc, const
/* Sandy Bridge. */
cpu = "corei7-avx";
break;
- case 0x17:
- case 0x1d:
- /* Penryn. */
- cpu = "core2";
+ case 0x3a:
+ case 0x3e:
+ /* Ivy Bridge. */
+ cpu = "core-avx-i";
break;
- case 0x0f:
- /* Merom. */
- cpu = "core2";
+ case 0x3c:
+ /* Haswell. */
+ cpu = "core-avx2";
break;
default:
if (arch)
{
/* This is unknown family 0x6 CPU. */
- if (has_avx)
+ if (has_avx2)
+ /* Assume Haswell. */
+ cpu = "core-avx2";
+ else if (has_avx)
/* Assume Sandy Bridge. */
cpu = "corei7-avx";
else if (has_sse4_2)
