swr/rast: Enable AVX-512 targets in the jitter

Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>

src/gallium/drivers/swr/rasterizer/core/knobs.h

@@ -61,18 +61,10 @@
 #define KNOB_SIMD_WIDTH 8
 #define KNOB_SIMD_BYTES 32
 #elif (KNOB_ARCH == KNOB_ARCH_AVX512)
-#if 0
-// not ready to enable this globally, enabled on the side (below)
 #define KNOB_ARCH_ISA AVX512F
 #define KNOB_ARCH_STR "AVX512"
-#define KNOB_SIMD_WIDTH 16
-#define KNOB_SIMD_BYTES 64
-#else
-#define KNOB_ARCH_ISA AVX2
-#define KNOB_ARCH_STR "AVX2"
 #define KNOB_SIMD_WIDTH 8
 #define KNOB_SIMD_BYTES 32
-#endif
 #else
 #error "Unknown architecture"
 #endif

src/gallium/drivers/swr/rasterizer/jitter/JitManager.h

@@ -102,14 +102,12 @@ public:
             bForceAVX2 = true;
             bForceAVX512 = false;
         }
-        #if 0
         else if(isaRequest == "avx512")
         {
             bForceAVX = false;
             bForceAVX2 = false;
             bForceAVX512 = true;
         }
-        #endif
     };
 
     bool AVX2(void) { return bForceAVX ? 0 : InstructionSet::AVX2(); }