#include <stdio.h> void do_pushb_pos ( void ) { unsigned long long int block[3]; __asm__ __volatile__ ( "movq %0, %%rdx\n\t" "pushq $0x55555555\n\t" "movq %%rsp, 0(%%rdx)\n\t" ".byte 0x6A,0x22\n\t" "movq %%rsp, 8(%%rdx)\n\t" "popq %%rax\n\t" "movq %%rax,16(%%rdx)\n\t" "movq 0(%%rdx),%%rsp\n\t" "addq $8, %%rsp" : : "r"(&block) : "rax","rdx","cc","memory" ); printf(" pushb_pos: delta %lld, top64 0x%016llx\n", block[0] - block[1], block[2]); } void do_pushb_neg ( void ) { unsigned long long int block[3]; __asm__ __volatile__ ( "movq %0, %%rdx\n\t" "pushq $0x55555555\n\t" "movq %%rsp, 0(%%rdx)\n\t" ".byte 0x6A,0xEE\n\t" "movq %%rsp, 8(%%rdx)\n\t" "popq %%rax\n\t" "movq %%rax,16(%%rdx)\n\t" "movq 0(%%rdx),%%rsp\n\t" "addq $8, %%rsp" : : "r"(&block) : "rax","rdx","cc","memory" ); printf(" pushb_neg: delta %lld, top64 0x%016llx\n", block[0] - block[1], block[2]); } void do_pushw_pos ( void ) { unsigned long long int block[3]; __asm__ __volatile__ ( "movq %0, %%rdx\n\t" "pushq $0x55555555\n\t" "movq %%rsp, 0(%%rdx)\n\t" "pushw $0x3344\n\t" "movq %%rsp, 8(%%rdx)\n\t" "popq %%rax\n\t" "movq %%rax,16(%%rdx)\n\t" "movq 0(%%rdx),%%rsp\n\t" "addq $8, %%rsp" : : "r"(&block) : "rax","rdx","cc","memory" ); printf(" pushw_neg: delta %lld, top64 0x%016llx\n", block[0] - block[1], block[2]); } void do_pushw_neg ( void ) { unsigned long long int block[3]; __asm__ __volatile__ ( "movq %0, %%rdx\n\t" "pushq $0x55555555\n\t" "movq %%rsp, 0(%%rdx)\n\t" "pushw $0xDDCC\n\t" "movq %%rsp, 8(%%rdx)\n\t" "popq %%rax\n\t" "movq %%rax,16(%%rdx)\n\t" "movq 0(%%rdx),%%rsp\n\t" "addq $8, %%rsp" : : "r"(&block) : "rax","rdx","cc","memory" ); printf(" pushw_pos: delta %lld, top64 0x%016llx\n", block[0] - block[1], block[2]); } void do_pushq_pos ( void ) { unsigned long long int block[3]; __asm__ __volatile__ ( "movq %0, %%rdx\n\t" "pushq $0x55555555\n\t" "movq %%rsp, 0(%%rdx)\n\t" "pushq $0x67675656\n\t" "movq %%rsp, 8(%%rdx)\n\t" "popq %%rax\n\t" "movq %%rax,16(%%rdx)\n\t" "movq 0(%%rdx),%%rsp\n\t" "addq $8, %%rsp" : : "r"(&block) : "rax","rdx","cc","memory" ); printf(" pushq_pos: delta %lld, top64 0x%016llx\n", block[0] - block[1], block[2]); } void do_pushq_neg ( void ) { unsigned long long int block[3]; __asm__ __volatile__ ( "movq %0, %%rdx\n\t" "pushq $0x55555555\n\t" "movq %%rsp, 0(%%rdx)\n\t" "pushq $0x78988787\n\t" "movq %%rsp, 8(%%rdx)\n\t" "popq %%rax\n\t" "movq %%rax,16(%%rdx)\n\t" "movq 0(%%rdx),%%rsp\n\t" "addq $8, %%rsp" : : "r"(&block) : "rax","rdx","cc","memory" ); printf(" pushq_neg: delta %lld, top64 0x%016llx\n", block[0] - block[1], block[2]); } void do_66pushb_pos ( void ) { unsigned long long int block[3]; __asm__ __volatile__ ( "movq %0, %%rdx\n\t" "pushq $0x55555555\n\t" "movq %%rsp, 0(%%rdx)\n\t" ".byte 0x66,0x6A,0x22\n\t" "movq %%rsp, 8(%%rdx)\n\t" "popq %%rax\n\t" "movq %%rax,16(%%rdx)\n\t" "movq 0(%%rdx),%%rsp\n\t" "addq $8, %%rsp" : : "r"(&block) : "rax","rdx","cc","memory" ); printf("66pushb_pos: delta %lld, top64 0x%016llx\n", block[0] - block[1], block[2]); } void do_66pushb_neg ( void ) { unsigned long long int block[3]; __asm__ __volatile__ ( "movq %0, %%rdx\n\t" "pushq $0x55555555\n\t" "movq %%rsp, 0(%%rdx)\n\t" ".byte 0x66,0x6A,0xEE\n\t" "movq %%rsp, 8(%%rdx)\n\t" "popq %%rax\n\t" "movq %%rax,16(%%rdx)\n\t" "movq 0(%%rdx),%%rsp\n\t" "addq $8, %%rsp" : : "r"(&block) : "rax","rdx","cc","memory" ); printf("66pushb_neg: delta %lld, top64 0x%016llx\n", block[0] - block[1], block[2]); } int main ( void ) { do_pushb_pos(); do_pushb_neg(); do_pushw_pos(); do_pushw_neg(); do_pushq_pos(); do_pushq_neg(); do_66pushb_pos(); do_66pushb_neg(); return 0; }