diff options
| author | Alan Hourihane <alanh@tungstengraphics.com> | 2002-11-10 23:15:35 +0000 |
|---|---|---|
| committer | Alan Hourihane <alanh@tungstengraphics.com> | 2002-11-10 23:15:35 +0000 |
| commit | ea3ce085ab46ead05ce384f82194a487997883e1 (patch) | |
| tree | 02f4204abe6eebac779bc8b8cda0b2b2cc6a89cd | |
| parent | fcb33232e527d402876e80b9188c284aef598e98 (diff) | |
fix 3dnow misdetection on new p4's (from trunk)
| -rw-r--r-- | src/mesa/x86/common_x86_asm.S | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/mesa/x86/common_x86_asm.S b/src/mesa/x86/common_x86_asm.S index e82b1775ed..bac5dc79cc 100644 --- a/src/mesa/x86/common_x86_asm.S +++ b/src/mesa/x86/common_x86_asm.S @@ -1,4 +1,4 @@ -/* $Id: common_x86_asm.S,v 1.7.2.4 2002/09/19 16:06:13 brianp Exp $ */ +/* $Id: common_x86_asm.S,v 1.7.2.5 2002/11/10 23:15:35 alanh Exp $ */ /* * Mesa 3-D graphics library @@ -117,6 +117,11 @@ GLNAME( _mesa_identify_x86_cpu_features ): MOV_L ( CONST(0x1), EAX ) CPUID MOV_L ( EDX, EAX ) + + /* Mask out highest bit, which is used by AMD for 3dnow + * Newer Intel have this bit set, but do not support 3dnow + */ + AND_L ( CONST(0X7FFFFFFF), EAX) JMP ( LLBL(cpuid_done) ) LLBL(cpuid_amd): |