| #include <stdio.h> |
| |
| int main() |
| { |
| #if (_MIPS_ARCH_OCTEON) |
| int t1 = 0; |
| int t2 = 0; |
| __asm__ volatile( |
| ".set noreorder" "\n\t" |
| "move $t0, $zero" "\n\t" |
| "label2:" "\n\t" |
| "addiu $t0, $t0, 1" "\n\t" |
| "bbit0 $t0, 0x3, label2" "\n\t" |
| "nop" "\n\t" |
| "move %0, $t0" "\n\t" |
| ".set reorder" "\n\t" |
| : "=r" (t1) |
| : |
| : "t0"); |
| __asm__ volatile( |
| ".set noreorder" "\n\t" |
| "li $t0, 0xff" "\n\t" |
| "label1:" "\n\t" |
| "addiu $t0, $t0, -1" "\n\t" |
| "bbit1 $t0, 0x3, label1" "\n\t" |
| "nop" "\n\t" |
| "move %0, $t0" "\n\t" |
| ".set reorder" "\n\t" |
| : "=r" (t2) |
| : |
| : "t0"); |
| |
| printf("TEST bbit0: %s\n", t1 == 0x08 ? "PASS" : "FAIL"); |
| printf("TEST bbit1: %s\n", t2 == 0xF7 ? "PASS" : "FAIL"); |
| |
| long int lt1 = 0; |
| long int lt2 = 0; |
| long int lt3 = 0xff00000000; |
| long int lt4 = 0x100000000; |
| /* Take 0x100000000 and loop until 35th bit is set |
| by incrementing 0x100000000 at a time. */ |
| __asm__ volatile( |
| ".set noreorder" "\n\t" |
| "move $t0, $zero" "\n\t" |
| "move $t1, %1" "\n\t" |
| "label4:" "\n\t" |
| "dadd $t0, $t0, $t1" "\n\t" |
| "bbit032 $t0, 0x3, label4" "\n\t" |
| "nop" "\n\t" |
| "move %0, $t0" "\n\t" |
| ".set reorder" "\n\t" |
| : "=r" (lt1) |
| : "r" (lt4) |
| : "t0", "t1"); |
| /* Take 0xff00000000 and loop until 35th bit is cleared |
| by decrementing 0x100000000 at a time. */ |
| __asm__ volatile( |
| ".set noreorder" "\n\t" |
| "move $t0, %1" "\n\t" |
| "move $t1, %2" "\n\t" |
| "label3:" "\n\t" |
| "dadd $t0, $t0, $t1" "\n\t" |
| "bbit132 $t0, 0x3, label3" "\n\t" |
| "nop" "\n\t" |
| "move %0, $t0" "\n\t" |
| ".set reorder" "\n\t" |
| : "=r" (lt2) |
| : "r" (lt3), "r" (-lt4) |
| : "t0", "t1"); |
| |
| printf("TEST bbit032: %s\n", lt1 == 0x0800000000 ? "PASS" : "FAIL"); |
| printf("TEST bbit132: %s\n", lt2 == 0xF700000000 ? "PASS" : "FAIL"); |
| |
| #endif |
| return 0; |
| } |