compiler.codegen.labels cpu.architecture cpu.x86.assembler
cpu.x86.assembler.operands init kernel math math.order
math.parser memoize namespaces sequences
-specialized-arrays system ;
+specialized-arrays system math.bitwise combinators.smart ;
SPECIALIZED-ARRAY: uint
IN: cpu.x86.features
: cpuid ( n -- 4array )
4 <uint-array> [ (cpuid) ] keep >array ;
-: popcnt? ( -- ? )
- bool { } cdecl [
- return-reg 1 MOV
- CPUID
- return-reg dup XOR
- ECX 23 BT
- return-reg SETB
- ] alien-assembly ;
+: cpu-stepping ( -- n ) 1 cpuid first 4 bits ;
+: cpu-model ( -- n ) 1 cpuid first -4 shift 4 bits ;
+: cpu-family ( -- n ) 1 cpuid first -8 shift 4 bits ;
+: cpu-processor-type ( -- n ) 1 cpuid first -12 shift 2 bits ;
+: cpu-extended-model ( -- n ) 1 cpuid first -16 shift 4 bits ;
+: cpu-extended-family ( -- n ) 1 cpuid first -20 shift 8 bits ;
+
+: cpu-family-model-string ( -- string )
+ [
+ cpu-extended-family cpu-family [ >hex ] bi@
+ "_"
+ cpu-extended-model cpu-model [ >hex ] bi@
+ ] "" append-outputs-as ;
+
+: popcnt? ( -- ? ) 1 cpuid third 23 bit? ;
+: tscdeadline? ( -- ? ) 1 cpuid third 24 bit? ;
+: aes? ( -- ? ) 1 cpuid third 25 bit? ;
+: xsave? ( -- ? ) 1 cpuid third 26 bit? ;
+: osxsave? ( -- ? ) 1 cpuid third 27 bit? ;
+: avx? ( -- ? ) 1 cpuid third 28 bit? ;
+: f16c? ( -- ? ) 1 cpuid third 29 bit? ;
+: rdrnd? ( -- ? ) 1 cpuid third 30 bit? ;
+
+: msr? ( -- ? ) 1 cpuid fourth 5 bit? ;
+: tm1? ( -- ? ) 1 cpuid fourth 29 bit? ;
+: tm2? ( -- ? ) 1 cpuid third 8 bit? ;
MEMO: enable-popcnt? ( -- ? )
popcnt? "disable-popcnt" get not and ;