Subversion Repositories lxp32

/*

 * Check that there are no pipeline hazards

 */

        lc r100, 0x10000000 // test result output pointer

        lcs r101, halt

        lcs r102, failure

        lcs r103, success

        add r0, 100, 50 // r0:=150

        add r1, r0, 3 // r1:=153, potential RAW hazard

        mul r2, r1, 109 // r2:=16677, potential RAW hazard

        mul r3, r2, r0 // r3:=2501550, potential RAW hazard

        sub r4, r3, 15 // r4:=2501535, potential RAW hazard

        mul r5, 50, 117 // r2:=5850

        sub r5, 100, 9 // r2:=91, overwrites previous result, potential WAW hazard

        lc r6, 1800

        mul r7, r6, 49 // r7:=88200, potential RAW hazard

        mov r6, 1 // r6:=1, potential WAR hazard

        lc r0, 2501535

        cjmpne r102, r4, r0 // failure

        cjmpne r102, r5, 91 // failure

        lcs r0, 88200

        cjmpne r102, r7, r0 // failure

        jmp r103 // success

failure:

        sw r100, 2

        jmp r101 // halt

success:

        sw r100, 1 // success

halt:

        hlt

        jmp r101 // halt