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charset="utf-8" Cover all BMI1 and BMI2 instructions, both 32- and 64-bit. Due to the use of inlines, the test now has to be compiled with -O2. Signed-off-by: Paolo Bonzini Reviewed-by: Richard Henderson --- tests/tcg/i386/Makefile.target | 1 + tests/tcg/i386/test-i386-bmi2.c | 169 ++++++++++++++++++++++++++++++-- 2 files changed, 162 insertions(+), 8 deletions(-) diff --git a/tests/tcg/i386/Makefile.target b/tests/tcg/i386/Makefile.target index 5614838ffc..646b4ac13e 100644 --- a/tests/tcg/i386/Makefile.target +++ b/tests/tcg/i386/Makefile.target @@ -18,6 +18,7 @@ test-i386-pcmpistri: CFLAGS +=3D -msse4.2 run-test-i386-pcmpistri: QEMU_OPTS +=3D -cpu max run-plugin-test-i386-pcmpistri-%: QEMU_OPTS +=3D -cpu max =20 +test-i386-bmi2: CFLAGS=3D-O2 run-test-i386-bmi2: QEMU_OPTS +=3D -cpu max run-plugin-test-i386-bmi2-%: QEMU_OPTS +=3D -cpu max =20 diff --git a/tests/tcg/i386/test-i386-bmi2.c b/tests/tcg/i386/test-i386-bmi= 2.c index 935a4d2a73..5fadf47510 100644 --- a/tests/tcg/i386/test-i386-bmi2.c +++ b/tests/tcg/i386/test-i386-bmi2.c @@ -1,6 +1,66 @@ /* See if various BMI2 instructions give expected results */ #include #include +#include + +#define insn1q(name, arg0) = \ +static inline uint64_t name##q(uint64_t arg0) = \ +{ = \ + uint64_t result64; = \ + asm volatile (#name "q %1, %0" : "=3Dr"(result64) : "rm"(arg0)); = \ + return result64; = \ +} + +#define insn1l(name, arg0) = \ +static inline uint32_t name##l(uint32_t arg0) = \ +{ = \ + uint32_t result32; = \ + asm volatile (#name "l %k1, %k0" : "=3Dr"(result32) : "rm"(arg0)); = \ + return result32; = \ +} + +#define insn2q(name, arg0, c0, arg1, c1) = \ +static inline uint64_t name##q(uint64_t arg0, uint64_t arg1) = \ +{ = \ + uint64_t result64; = \ + asm volatile (#name "q %2, %1, %0" : "=3Dr"(result64) : c0(arg0), c1= (arg1)); \ + return result64; = \ +} + +#define insn2l(name, arg0, c0, arg1, c1) = \ +static inline uint32_t name##l(uint32_t arg0, uint32_t arg1) = \ +{ = \ + uint32_t result32; = \ + asm volatile (#name "l %k2, %k1, %k0" : "=3Dr"(result32) : c0(arg0),= c1(arg1)); \ + return result32; = \ +} + +#ifdef __x86_64 +insn2q(pext, src, "r", mask, "rm") +insn2q(pdep, src, "r", mask, "rm") +insn2q(andn, clear, "rm", val, "r") +insn2q(bextr, range, "rm", val, "r") +insn2q(bzhi, pos, "rm", val, "r") +insn2q(rorx, val, "r", n, "i") +insn2q(sarx, val, "rm", n, "r") +insn2q(shlx, val, "rm", n, "r") +insn2q(shrx, val, "rm", n, "r") +insn1q(blsi, src) +insn1q(blsmsk, src) +insn1q(blsr, src) +#endif +insn2l(pext, src, "r", mask, "rm") +insn2l(pdep, src, "r", mask, "rm") +insn2l(andn, clear, "rm", val, "r") +insn2l(bextr, range, "rm", val, "r") +insn2l(bzhi, pos, "rm", val, "r") +insn2l(rorx, val, "r", n, "i") +insn2l(sarx, val, "rm", n, "r") +insn2l(shlx, val, "rm", n, "r") +insn2l(shrx, val, "rm", n, "r") +insn1l(blsi, src) +insn1l(blsmsk, src) +insn1l(blsr, src) =20 int main(int argc, char *argv[]) { uint64_t ehlo =3D 0x202020204f4c4845ull; @@ -11,32 +71,125 @@ int main(int argc, char *argv[]) { uint64_t result64; =20 /* 64 bits */ - asm volatile ("pextq %2, %1, %0" : "=3Dr"(result64) : "r"(ehlo), "m"= (mask)); + result64 =3D andnq(mask, ehlo); + assert(result64 =3D=3D 0x002020204d4c4844); + + result64 =3D pextq(ehlo, mask); assert(result64 =3D=3D 133); =20 - asm volatile ("pdepq %2, %1, %0" : "=3Dr"(result64) : "r"(result64),= "m"(mask)); + result64 =3D pdepq(result64, mask); assert(result64 =3D=3D (ehlo & mask)); =20 - asm volatile ("pextq %2, %1, %0" : "=3Dr"(result64) : "r"(-1ull), "m= "(mask)); + result64 =3D pextq(-1ull, mask); assert(result64 =3D=3D 511); /* mask has 9 bits set */ =20 - asm volatile ("pdepq %2, %1, %0" : "=3Dr"(result64) : "r"(-1ull), "m= "(mask)); + result64 =3D pdepq(-1ull, mask); assert(result64 =3D=3D mask); + + result64 =3D bextrq(mask, 0x3f00); + assert(result64 =3D=3D (mask & ~INT64_MIN)); + + result64 =3D bextrq(mask, 0x1038); + assert(result64 =3D=3D 0xa0); + + result64 =3D bextrq(mask, 0x10f8); + assert(result64 =3D=3D 0); + + result64 =3D blsiq(0x30); + assert(result64 =3D=3D 0x10); + + result64 =3D blsiq(0x30ull << 32); + assert(result64 =3D=3D 0x10ull << 32); + + result64 =3D blsmskq(0x30); + assert(result64 =3D=3D 0x1f); + + result64 =3D blsrq(0x30); + assert(result64 =3D=3D 0x20); + + result64 =3D blsrq(0x30ull << 32); + assert(result64 =3D=3D 0x20ull << 32); + + result64 =3D bzhiq(mask, 0x3f); + assert(result64 =3D=3D (mask & ~INT64_MIN)); + + result64 =3D bzhiq(mask, 0x1f); + assert(result64 =3D=3D (mask & ~(-1 << 30))); + + result64 =3D rorxq(0x2132435465768798, 8); + assert(result64 =3D=3D 0x9821324354657687); + + result64 =3D sarxq(0xffeeddccbbaa9988, 8); + assert(result64 =3D=3D 0xffffeeddccbbaa99); + + result64 =3D sarxq(0x77eeddccbbaa9988, 8 | 64); + assert(result64 =3D=3D 0x0077eeddccbbaa99); + + result64 =3D shrxq(0xffeeddccbbaa9988, 8); + assert(result64 =3D=3D 0x00ffeeddccbbaa99); + + result64 =3D shrxq(0x77eeddccbbaa9988, 8 | 192); + assert(result64 =3D=3D 0x0077eeddccbbaa99); + + result64 =3D shlxq(0xffeeddccbbaa9988, 8); + assert(result64 =3D=3D 0xeeddccbbaa998800); #endif =20 /* 32 bits */ - asm volatile ("pextl %2, %k1, %k0" : "=3Dr"(result32) : "r"((uint32_= t) ehlo), "m"(mask)); + result32 =3D andnl(mask, ehlo); + assert(result32 =3D=3D 0x04d4c4844); + + result32 =3D pextl((uint32_t) ehlo, mask); assert(result32 =3D=3D 5); =20 - asm volatile ("pdepl %2, %k1, %k0" : "=3Dr"(result32) : "r"(result32= ), "m"(mask)); + result32 =3D pdepl(result32, mask); assert(result32 =3D=3D (uint32_t)(ehlo & mask)); =20 - asm volatile ("pextl %2, %k1, %k0" : "=3Dr"(result32) : "r"(-1ull), = "m"(mask)); + result32 =3D pextl(-1u, mask); assert(result32 =3D=3D 7); /* mask has 3 bits set */ =20 - asm volatile ("pdepl %2, %k1, %k0" : "=3Dr"(result32) : "r"(-1ull), = "m"(mask)); + result32 =3D pdepl(-1u, mask); assert(result32 =3D=3D (uint32_t)mask); =20 + result32 =3D bextrl(mask, 0x1f00); + assert(result32 =3D=3D (mask & ~INT32_MIN)); + + result32 =3D bextrl(ehlo, 0x1018); + assert(result32 =3D=3D 0x4f); + + result32 =3D bextrl(mask, 0x1038); + assert(result32 =3D=3D 0); + + result32 =3D blsil(0xffff); + assert(result32 =3D=3D 1); + + result32 =3D blsmskl(0x300); + assert(result32 =3D=3D 0x1ff); + + result32 =3D blsrl(0xffc); + assert(result32 =3D=3D 0xff8); + + result32 =3D bzhil(mask, 0xf); + assert(result32 =3D=3D 1); + + result32 =3D rorxl(0x65768798, 8); + assert(result32 =3D=3D 0x98657687); + + result32 =3D sarxl(0xffeeddcc, 8); + assert(result32 =3D=3D 0xffffeedd); + + result32 =3D sarxl(0x77eeddcc, 8 | 32); + assert(result32 =3D=3D 0x0077eedd); + + result32 =3D shrxl(0xffeeddcc, 8); + assert(result32 =3D=3D 0x00ffeedd); + + result32 =3D shrxl(0x77eeddcc, 8 | 128); + assert(result32 =3D=3D 0x0077eedd); + + result32 =3D shlxl(0xffeeddcc, 8); + assert(result32 =3D=3D 0xeeddcc00); + return 0; } =20 --=20 2.37.1