diff options
| author | Teddy <ted.sybil@gmail.com> | 2014-05-06 22:55:36 +0800 |
|---|---|---|
| committer | Teddy <ted.sybil@gmail.com> | 2014-05-06 22:55:36 +0800 |
| commit | bec9fa22a648333c13105e8beb1862157952c6e6 (patch) | |
| tree | 11c176b20c381e2a327c645f7b0231fc9dc53672 /mips.c | |
| parent | a366436782315f0bffb6b8642396d32a4bc90a2c (diff) | |
fixed bug in setting opr->def; opt print even more
Diffstat (limited to 'mips.c')
| -rw-r--r-- | mips.c | 16 |
1 files changed, 8 insertions, 8 deletions
@@ -492,6 +492,7 @@ void mips_generate(void) { } break; case PUSH: + if (!i->sysp) { int rs = mips_to_reg(i->src1, reg_v0); /* @@ -523,20 +524,19 @@ void mips_generate(void) { int j; memset(used_reg, 0, sizeof used_reg); /* NOTE: bad hack */ - if (i->src1->kind == IMMF) + if (i->prev->op == PUSH && i->prev->sysp) { char *fname = i->src1->info.str; int flag = 0; + int rs = mips_to_reg(i->prev->src1, 4); if (!strcmp(fname, "__print_int")) flag = 1; else if (!strcmp(fname, "__print_char")) flag = 11; else if (!strcmp(fname, "__print_string")) flag = 4; - if (flag) - { - printf( "\tlw $a0, 0($sp)\n" - "\tli $2, %d\n" - "\tsyscall\n", flag); - break; - } + else assert(0); + if (rs != 4) printf("\tmove $4, $%d\n", rs); + printf( "\tli $2, %d\n" + "\tsyscall\n", flag); + break; } if (rt->type == CSTRUCT || rt->type == CUNION) used_reg[30] = 1; /* save $fp */ |