diff options
Diffstat (limited to 'results/classifier/no-thinking-deepseek-r1:32b/output/instruction/1641637')
| -rw-r--r-- | results/classifier/no-thinking-deepseek-r1:32b/output/instruction/1641637 | 716 |
1 files changed, 716 insertions, 0 deletions
diff --git a/results/classifier/no-thinking-deepseek-r1:32b/output/instruction/1641637 b/results/classifier/no-thinking-deepseek-r1:32b/output/instruction/1641637 new file mode 100644 index 000000000..82d651dca --- /dev/null +++ b/results/classifier/no-thinking-deepseek-r1:32b/output/instruction/1641637 @@ -0,0 +1,716 @@ + + + +incorrect illegal SSE3 instructions reporting on x86_64 + +Hi all, we found 28 differently encoded illegal SSE3 instructions reporting on the most recent x86_64 user mode linux qemu (version 2.7.0). We believe these reporting should be incorrect because the same code can be executed on a real machine. The instructions are the following: + +pabsb %mm0, %mm1 +pabsb %xmm0, %xmm1 +pabsd %mm0, %mm1 +pabsd %xmm0, %xmm1 +pabsw %mm0, %mm1 +pabsw %xmm0, %xmm1 +phaddd %mm0, %mm1 +phaddd %xmm0, %xmm1 +phaddsw %mm0, %mm1 +phaddsw %xmm0, %xmm1 +phaddw %mm0, %mm1 +phaddw %xmm0, %xmm1 +phsubd %mm0, %mm1 +phsubd %xmm0, %xmm1 +phsubsw %mm0, %mm1 +phsubsw %xmm0, %xmm1 +phsubw %mm0, %mm1 +phsubw %xmm0, %xmm1 +pmaddubsw %mm0, %mm1 +pmaddubsw %xmm0, %xmm1 +pmulhrsw %mm0, %mm1 +pmulhrsw %xmm0, %xmm1 +psignb %mm0, %mm1 +psignb %xmm0, %xmm1 +psignd %mm0, %mm1 +psignd %xmm0, %xmm1 +psignw %mm0, %mm1 +psignw %xmm0, %xmm1 + +The following is the proof of code + +/********** Beginning of bug 1.c: pabsb %mm0, %mm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i1)));; + asm("pabsb %mm0, %mm1"); + asm("mov %0, %%rdx\n" + "movq %%mm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 1.c **********/ + + +/********** Beginning of bug 2.c: pabsb %xmm0, %xmm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i1)));; + asm("pabsb %xmm0, %xmm1"); + asm("mov %0, %%rdx\n" + "movdqu %%xmm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 2.c **********/ + + +/********** Beginning of bug 3.c: pabsd %mm0, %mm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i1)));; + asm("pabsd %mm0, %mm1"); + asm("mov %0, %%rdx\n" + "movq %%mm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 3.c **********/ + + +/********** Beginning of bug 4.c: pabsd %xmm0, %xmm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i1)));; + asm("pabsd %xmm0, %xmm1"); + asm("mov %0, %%rdx\n" + "movdqu %%xmm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 4.c **********/ + + +/********** Beginning of bug 5.c: pabsw %mm0, %mm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i1)));; + asm("pabsw %mm0, %mm1"); + asm("mov %0, %%rdx\n" + "movq %%mm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 5.c **********/ + + +/********** Beginning of bug 6.c: pabsw %xmm0, %xmm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i1)));; + asm("pabsw %xmm0, %xmm1"); + asm("mov %0, %%rdx\n" + "movdqu %%xmm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 6.c **********/ + + +/********** Beginning of bug 7.c: phaddd %mm0, %mm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i1)));; + asm("phaddd %mm0, %mm1"); + asm("mov %0, %%rdx\n" + "movq %%mm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 7.c **********/ + + +/********** Beginning of bug 8.c: phaddd %xmm0, %xmm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i1)));; + asm("phaddd %xmm0, %xmm1"); + asm("mov %0, %%rdx\n" + "movdqu %%xmm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 8.c **********/ + + +/********** Beginning of bug 9.c: phaddsw %mm0, %mm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i1)));; + asm("phaddsw %mm0, %mm1"); + asm("mov %0, %%rdx\n" + "movq %%mm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 9.c **********/ + + +/********** Beginning of bug 10.c: phaddsw %xmm0, %xmm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i1)));; + asm("phaddsw %xmm0, %xmm1"); + asm("mov %0, %%rdx\n" + "movdqu %%xmm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 10.c **********/ + + +/********** Beginning of bug 11.c: phaddw %mm0, %mm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i1)));; + asm("phaddw %mm0, %mm1"); + asm("mov %0, %%rdx\n" + "movq %%mm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 11.c **********/ + + +/********** Beginning of bug 12.c: phaddw %xmm0, %xmm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i1)));; + asm("phaddw %xmm0, %xmm1"); + asm("mov %0, %%rdx\n" + "movdqu %%xmm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 12.c **********/ + + +/********** Beginning of bug 13.c: phsubd %mm0, %mm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i1)));; + asm("phsubd %mm0, %mm1"); + asm("mov %0, %%rdx\n" + "movq %%mm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 13.c **********/ + + +/********** Beginning of bug 14.c: phsubd %xmm0, %xmm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i1)));; + asm("phsubd %xmm0, %xmm1"); + asm("mov %0, %%rdx\n" + "movdqu %%xmm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 14.c **********/ + + +/********** Beginning of bug 15.c: phsubsw %mm0, %mm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i1)));; + asm("phsubsw %mm0, %mm1"); + asm("mov %0, %%rdx\n" + "movq %%mm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 15.c **********/ + + +/********** Beginning of bug 16.c: phsubsw %xmm0, %xmm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i1)));; + asm("phsubsw %xmm0, %xmm1"); + asm("mov %0, %%rdx\n" + "movdqu %%xmm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 16.c **********/ + + +/********** Beginning of bug 17.c: phsubw %mm0, %mm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i1)));; + asm("phsubw %mm0, %mm1"); + asm("mov %0, %%rdx\n" + "movq %%mm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 17.c **********/ + + +/********** Beginning of bug 18.c: phsubw %xmm0, %xmm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i1)));; + asm("phsubw %xmm0, %xmm1"); + asm("mov %0, %%rdx\n" + "movdqu %%xmm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 18.c **********/ + + +/********** Beginning of bug 19.c: pmaddubsw %mm0, %mm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char i2[0x10]; +unsigned char i3[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i1)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm0\n"::"r"((char *)(i2)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i3)));; + asm("pmaddubsw %mm0, %mm1"); + asm("mov %0, %%rdx\n" + "movq %%mm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 19.c **********/ + + +/********** Beginning of bug 20.c: pmaddubsw %xmm0, %xmm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char i2[0x10]; +unsigned char i3[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i1)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm0\n"::"r"((char *)(i2)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i3)));; + asm("pmaddubsw %xmm0, %xmm1"); + asm("mov %0, %%rdx\n" + "movdqu %%xmm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 20.c **********/ + + +/********** Beginning of bug 21.c: pmulhrsw %mm0, %mm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i1)));; + asm("pmulhrsw %mm0, %mm1"); + asm("mov %0, %%rdx\n" + "movq %%mm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 21.c **********/ + + +/********** Beginning of bug 22.c: pmulhrsw %xmm0, %xmm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i1)));; + asm("pmulhrsw %xmm0, %xmm1"); + asm("mov %0, %%rdx\n" + "movdqu %%xmm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 22.c **********/ + + +/********** Beginning of bug 23.c: psignb %mm0, %mm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i1)));; + asm("psignb %mm0, %mm1"); + asm("mov %0, %%rdx\n" + "movq %%mm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 23.c **********/ + + +/********** Beginning of bug 24.c: psignb %xmm0, %xmm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i1)));; + asm("psignb %xmm0, %xmm1"); + asm("mov %0, %%rdx\n" + "movdqu %%xmm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 24.c **********/ + + +/********** Beginning of bug 25.c: psignd %mm0, %mm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i1)));; + asm("psignd %mm0, %mm1"); + asm("mov %0, %%rdx\n" + "movq %%mm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 25.c **********/ + + +/********** Beginning of bug 26.c: psignd %xmm0, %xmm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i1)));; + asm("psignd %xmm0, %xmm1"); + asm("mov %0, %%rdx\n" + "movdqu %%xmm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 26.c **********/ + + +/********** Beginning of bug 27.c: psignw %mm0, %mm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movq (%%rdx), %%mm1\n"::"r"((char *)(i1)));; + asm("psignw %mm0, %mm1"); + asm("mov %0, %%rdx\n" + "movq %%mm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 27.c **********/ + + +/********** Beginning of bug 28.c: psignw %xmm0, %xmm1 **********/ + +int printf(const char *format, ...); +unsigned char i0[0x10]; +unsigned char i1[0x10]; +unsigned char o[0x10]; +int main() { + int k = 0; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm0\n"::"r"((char *)(i0)));; + asm("mov %0, %%rdx\n" + "movdqu (%%rdx), %%xmm1\n"::"r"((char *)(i1)));; + asm("psignw %xmm0, %xmm1"); + asm("mov %0, %%rdx\n" + "movdqu %%xmm1, (%%rdx)\n"::"r"((char *)(o)));; + for (k = 0; k < 0x10; k++) + printf("%02x", o[0x10 - 1 - k]); + printf("\n"); +} + +/********** End of bug 28.c **********/ + +For any of the above code, when compiled into x86-64 binary code with gcc, qemu reports the illegal instructions bug. However, these can be correctly executed on a real machine. For example, + +$ gcc 28.c -o 28 +$ qemu-x86_64 ./28 +qemu: uncaught target signal 4 (Illegal instruction) - core dumped +Illegal instruction +$ ./28 +00000000000000000000000000000000 + +Some information about the system: + +$ qemu-x86_64 --version +qemu-x86_64 version 2.7.0, Copyright (c) 2003-2016 Fabrice Bellard and the QEMU Project developers +$ uname -a +Linux cgos-System-Product-Name 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux +$ gcc --version +gcc (Ubuntu 4.8.4-2ubuntu1~14.04) 4.8.4 +Copyright (C) 2013 Free Software Foundation, Inc. +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + + +Thanks! \ No newline at end of file |