Subversion Repositories openrisc

;

; Test that branches work: 8- and 16-bit all insns, relaxing to

; 32-bit, forward and backward.  No need to check the border

; cases for *all* insns.

;

 .text

start_original:

 nop

startm32: ;       start     start2    start3

 nop

 .space 32750-(256-21*2+20)-(21*2+10*2+21*4)-12,0

startm16:

 nop

 ; The size of a bunch of short branches is start2-start = 42,

 ; so make the threshold be dependent of the size of that block,

 ; for the next block; half of them will be relaxed.

 .space 256-21*2-20,0

start:

 nop

 ba start

 bcc start

 bcs start

 beq start

 bwf start

 bext start

 bext start ; leftover, used to be never-implemented "bir"

 bge start

 bgt start

 bhi start

 bhs start

 ble start

 blo start

 bls start

 blt start

 bmi start

 bne start

 bpl start

 bvc start

 bvs start

start2:

 nop

 ba startm16

 bcc startm16

 bcs startm16

 beq startm16

 bwf startm16

 bext startm16

 bext startm16

 bge startm16

 bgt startm16

 bhi startm16

 bhs startm16

 ble startm16

 blo startm16

 bls startm16

 blt startm16

 bmi startm16

 bne startm16

 bpl startm16

 bvc startm16

 bvs startm16

start3:

; Ok, once more to make sure *all* 16-bit variants get ok for

; backward references.

 nop

 ba startm16

 bcc startm16

 bcs startm16

 beq startm16

 bwf startm16

 bext startm16

 bext startm16

 bge startm16

 bgt startm16

 bhi startm16

 bhs startm16

 ble startm16

 blo startm16

 bls startm16

 blt startm16

 bmi startm16

 bne startm16

 bpl startm16

 bvc startm16

 bvs startm16

;

; Now check that dynamically relaxing some of these branches

; from 16-bit to 32-bit works.

;

start4:

 nop

 ba startm32

 bcc startm32

 bcs startm32

 beq startm32

 bwf startm32

 bext startm32

 bext startm32

 bge startm32

 bgt startm32

 bhi startm32

 bhs startm32

 ble startm32

 blo startm32

 bls startm32

 blt startm32

 bmi startm32

 bne startm32

 bpl startm32

 bvc startm32

 bvs startm32

;

; Again, so all insns get to be tested for 32-bit relaxing.

;

start5:

 nop

 ba startm32

 bcc startm32

 bcs startm32

 beq startm32

 bwf startm32

 bext startm32

 bext startm32

 bge startm32

 bgt startm32

 bhi startm32

 bhs startm32

 ble startm32

 blo startm32

 bls startm32

 blt startm32

 bmi startm32

 bne startm32

 bpl startm32

 bvc startm32

 bvs startm32

;

; Now test forward references.  Symmetrically as above.

;

; All to 32-bit:

start6:

 nop

 ba endp32

 bcc endp32

 bcs endp32

 beq endp32

 bwf endp32

 bext endp32

 bext endp32

 bge endp32

 bgt endp32

 bhi endp32

 bhs endp32

 ble endp32

 blo endp32

 bls endp32

 blt endp32

 bmi endp32

 bne endp32

 bpl endp32

 bvc endp32

 bvs endp32

;

; Some get relaxed:

;

start7:

 nop

 ba endp32

 bcc endp32

 bcs endp32

 beq endp32

 bwf endp32

 bext endp32

 bext endp32

 bge endp32

 bgt endp32

 bhi endp32

 bhs endp32

 ble endp32

 blo endp32

 bls endp32

 blt endp32

 bmi endp32

 bne endp32

 bpl endp32

 bvc endp32

 bvs endp32

;

; All to 16-bit:

;

start8:

 nop

 ba endp16

 bcc endp16

 bcs endp16

 beq endp16

 bwf endp16

 bext endp16

 bext endp16

 bge endp16

 bgt endp16

 bhi endp16

 bhs endp16

 ble endp16

 blo endp16

 bls endp16

 blt endp16

 bmi endp16

 bne endp16

 bpl endp16

 bvc endp16

 bvs endp16

;

; Some relaxing:

;

start9:

 nop

 ba endp16

 bcc endp16

 bcs endp16

 beq endp16

 bwf endp16

 bext endp16

 bext endp16

 bge endp16

 bgt endp16

 bhi endp16

 bhs endp16

 ble endp16

 blo endp16

 bls endp16

 blt endp16

 bmi endp16

 bne endp16

 bpl endp16

 bvc endp16

 bvs endp16

;

; And all the short ones, forward.

;

start10:

 ba end

 bcc end

 bcs end

 beq end

 bwf end

 bext end

 bext end

 bge end

 bgt end

 bhi end

 bhs end

 ble end

 blo end

 bls end

 blt end

 bmi end

 bne end

 bpl end

 bvc end

 bvs end

 nop

end:

 nop

 .space 256-21*2-20,0

endp16:

 nop

 .space 32750-(256-21*2+20)-(21*2+10*2+21*4)-12,0

endp32:

 nop