detect risc-v zcb extension (#118)

nihui · Jul 27, 2024 · 4032cd3 · 4032cd3
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commit 4032cd3
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diff --git a/README.md b/README.md
@@ -69,7 +69,7 @@ _`fma4` on zen1, ISA in hypervisor, etc._
 |powerpc|`vsx`|
 |s390x|`zvector`|
 |loongarch|`lsx` `lasx`|
-|risc-v|`i` `m` `a` `f` `d` `c` `v` `zba` `zbb` `zbc` `zbs` `zbkb` `zbkc` `zbkx` `zfa` `zfbfmin` `zfh` `zfhmin` `zicond` `zicsr` `zifencei` `zmmul` `zvbb` `zvbc` `zvfh` `zvfhmin` `zvfbfmin` `zvfbfwma` `zvkb` `zvl32b` `zvl64b` `zvl128b` `zvl256b` `zvl512b` `zvl1024b` `xtheadba` `xtheadbb` `xtheadbs` `xtheadcondmov` `xtheadfmemidx` `xtheadfmv` `xtheadmac` `xtheadmemidx` `xtheadmempair` `xtheadsync` `xtheadvdot` `spacemitvmadot` `spacemitvmadotn` `spacemitvfmadot`|
+|risc-v|`i` `m` `a` `f` `d` `c` `v` `zba` `zbb` `zbc` `zbs` `zbkb` `zbkc` `zbkx` `zcb` `zfa` `zfbfmin` `zfh` `zfhmin` `zicond` `zicsr` `zifencei` `zmmul` `zvbb` `zvbc` `zvfh` `zvfhmin` `zvfbfmin` `zvfbfwma` `zvkb` `zvl32b` `zvl64b` `zvl128b` `zvl256b` `zvl512b` `zvl1024b` `xtheadba` `xtheadbb` `xtheadbs` `xtheadcondmov` `xtheadfmemidx` `xtheadfmv` `xtheadmac` `xtheadmemidx` `xtheadmempair` `xtheadsync` `xtheadvdot` `spacemitvmadot` `spacemitvmadotn` `spacemitvfmadot`|
 |openrisc| `orbis32` `orbis64` `orfpx32` `orfpx64` `orvdx64` |
 
 ## Let's ruapu

diff --git a/main.c b/main.c
@@ -135,6 +135,7 @@ int main()
     PRINT_ISA_SUPPORT(zbkb)
     PRINT_ISA_SUPPORT(zbkc)
     PRINT_ISA_SUPPORT(zbkx)
+    PRINT_ISA_SUPPORT(zcb)
     PRINT_ISA_SUPPORT(zfa)
     PRINT_ISA_SUPPORT(zfbfmin)
     PRINT_ISA_SUPPORT(zfh)

diff --git a/ruapu.h b/ruapu.h
@@ -314,6 +314,7 @@ RUAPU_INSTCODE(zbs, 0x48a51533) // bclr a0,a0,a0
 RUAPU_INSTCODE(zbkb, 0x08a54533) // pack a0,a0,a0
 RUAPU_INSTCODE(zbkc, 0x0aa53533) // clmulh a0,a0,a0
 RUAPU_INSTCODE(zbkx, 0x28a52533) // xperm.n a0,a0,a0
+RUAPU_INSTCODE(zcb, 0x9d759d75) // c.not a0 c.not a0
 RUAPU_INSTCODE(zfa, 0xf0108053) // fli.s ft0, min
 RUAPU_INSTCODE(zfbfmin, 0x44807053) // fcvt.bf16.s ft0,ft0
 RUAPU_INSTCODE(zfh, 0x04007053); // fadd.hs ft0, ft0, ft0
@@ -516,6 +517,7 @@ RUAPU_ISAENTRY(zbs)
 RUAPU_ISAENTRY(zbkb)
 RUAPU_ISAENTRY(zbkc)
 RUAPU_ISAENTRY(zbkx)
+RUAPU_ISAENTRY(zcb)
 RUAPU_ISAENTRY(zfa)
 RUAPU_ISAENTRY(zfbfmin)
 RUAPU_ISAENTRY(zfh)