1ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* A test of the alternative (redundant) encodings for {inc,dec}{w,l}. */ 3ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "tests/asm.h" 5ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <stdio.h> 6ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 7ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint r1,r2,r3,r4,r5,r6,r7,r8,a1,a2; 8ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 9ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void foo ( void ); 10ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownasm("\n" 11ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownVG_SYM(foo) ":\n" 12ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tpushl $0\n" 13ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tpopfl\n" 14ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tmovl " VG_SYM(a1) ",%eax\n" 15ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tmovl " VG_SYM(a2) ",%edx\n" 16ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 17ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* inc %eax */ 18ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\t.byte 0xFF\n" 19ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\t.byte 0xC0\n" 20ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 21ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tmovl %eax," VG_SYM(r1) "\n" 22ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tpushfl\n" 23ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tpopl " VG_SYM(r2) "\n" 24ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 25ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* inc %dx */ 26ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\t.byte 0x66\n" 27ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\t.byte 0xFF\n" 28ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\t.byte 0xC2\n" 29ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 30ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tmovl %edx," VG_SYM(r3) "\n" 31ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tpushfl\n" 32ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tpopl " VG_SYM(r4) "\n" 33ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 34ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* dec %edx */ 35ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\t.byte 0xFF\n" 36ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\t.byte 0xCA\n" 37ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 38ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tmovl %edx," VG_SYM(r5) "\n" 39ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tpushfl\n" 40ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tpopl " VG_SYM(r6) "\n" 41ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 42ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* dec %ax */ 43ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\t.byte 0x66\n" 44ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\t.byte 0xFF\n" 45ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\t.byte 0xC8\n" 46ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 47ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tmovl %eax," VG_SYM(r7) "\n" 48ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tpushfl\n" 49ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tpopl " VG_SYM(r8) "\n" 50ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 51ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown"\tret\n" 52ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown); 53ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 54ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint main ( void ) 55ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 56ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown a1 = 0x77777777; 57ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown a2 = 0x88888888; 58ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown r1=r2=r3=r4=r5=r6=r7=r8=0; 59ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown foo(); 60ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown printf("0x%08x\n",r1); 61ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown printf("0x%08x\n",r2); 62ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown printf("0x%08x\n",r3); 63ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown printf("0x%08x\n",r4); 64ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown printf("0x%08x\n",r5); 65ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown printf("0x%08x\n",r6); 66ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown printf("0x%08x\n",r7); 67ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown printf("0x%08x\n",r8); 68ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return 0; 69ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 70