mips support (#20)

README.md

@@ -6,7 +6,7 @@
 Detect CPU ISA features with single-file
 
 <table>
-<tr><td>CPU</td><td>&#9989; x86, x86-64<br/>&#9989; arm, aarch64<br/>&#9989; risc-v</td><td rowspan=3>
+<tr><td>CPU</td><td>&#9989; x86, x86-64<br/>&#9989; arm, aarch64<br/>&#9989; mips<br/>&#9989; risc-v</td><td rowspan=3>
 
 ```c
 #define RUAPU_IMPLEMENTATION
@@ -220,7 +220,7 @@ _`fma4` on zen1, ISA in hypervisor, etc._
 |x86|`mmx` `sse` `sse2` `sse3` `ssse3` `sse41` `sse42` `sse4a` `xop` `avx` `f16c` `fma` `fma4` `avx2` `avx512f` `avx512bw` `avx512cd` `avx512dq` `avx512vl` `avx512vnni` `avx512bf16` `avx512ifma` `avx512vbmi` `avx512vbmi2` `avx512fp16` `avxvnni` `avxvnniint8` `avxifma`|
 |arm|`edsp` `neon` `vfpv4`|
 |aarch64|`neon` `vfpv4` `cpuid` `asimdhp` `asimddp` `asimdfhm` `bf16` `i8mm` `sve` `sve2` `svebf16` `svei8mm` `svef32mm`|
-|mips||
+|mips|`msa`|
 |powerpc||
 |loongarch||
 |risc-v|`i` `m` `a` `f` `d` `c`|

main.c

@@ -65,6 +65,9 @@ int main()
     PRINT_ISA_SUPPORT(neon)
     PRINT_ISA_SUPPORT(vfpv4)
 
+#elif __mips__
+    PRINT_ISA_SUPPORT(msa)
+
 #elif __riscv
     PRINT_ISA_SUPPORT(i)
     PRINT_ISA_SUPPORT(m)

ruapu.h

@@ -132,7 +132,7 @@ static int ruapu_detect_isa(ruapu_some_inst some_inst)
 
 #if defined(__i386__) || defined(__x86_64__)
 #define RUAPU_INSTCODE(isa, ...) static void ruapu_some_##isa() { asm volatile(".byte " #__VA_ARGS__ : : : ); }
-#elif __aarch64__ || __arm__ || __riscv
+#elif __aarch64__ || __arm__ || __mips__ || __riscv
 #define RUAPU_INSTCODE(isa, ...) static void ruapu_some_##isa() { asm volatile(".word " #__VA_ARGS__ : : : ); }
 #endif
 
@@ -211,6 +211,9 @@ RUAPU_INSTCODE(neon, 0xf2000d40) // vadd.f32 q0,q0,q0
 RUAPU_INSTCODE(vfpv4, 0xf3b60600) // vcvt.f16.f32 d0,q0
 #endif
 
+#elif __mips__
+RUAPU_INSTCODE(msa, 0x7900001b) // fmadd.w $w0,$w0,$w0
+
 #elif __riscv
 RUAPU_INSTCODE(i, 0x00a50533) // add a0,a0,a0
 RUAPU_INSTCODE(m, 0x02a50533) // mul a0,a0,a0
@@ -277,6 +280,9 @@ RUAPU_ISAENTRY(edsp)
 RUAPU_ISAENTRY(neon)
 RUAPU_ISAENTRY(vfpv4)
 
+#elif __mips__
+RUAPU_ISAENTRY(msa)
+
 #elif __riscv
 RUAPU_ISAENTRY(i)
 RUAPU_ISAENTRY(m)