diff options
Diffstat (limited to 'sim/testsuite/sim/aarch64/sumulh.s')
| -rw-r--r-- | sim/testsuite/sim/aarch64/sumulh.s | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/sim/testsuite/sim/aarch64/sumulh.s b/sim/testsuite/sim/aarch64/sumulh.s new file mode 100644 index 00000000000..17f1ecda3d8 --- /dev/null +++ b/sim/testsuite/sim/aarch64/sumulh.s @@ -0,0 +1,56 @@ +# mach: aarch64 + +# Check the multiply highpart instructions: smulh, umulh. + +# Test -2*2, -1<<32*-1<<32, -2*-2, and 2*2. + +.include "testutils.inc" + + .data + .align 4 + + start + + mov x0, #-2 + mov x1, #2 + smulh x2, x0, x1 + cmp x2, #-1 + bne .Lfailure + umulh x3, x0, x1 + cmp x3, #1 + bne .Lfailure + + mov w0, #-1 + lsl x0, x0, #32 // 0xffffffff00000000 + mov x1, x0 + smulh x2, x0, x1 + cmp x2, #1 + bne .Lfailure + umulh x3, x0, x1 + mov w4, #-2 + lsl x4, x4, #32 + add x4, x4, #1 // 0xfffffffe00000001 + cmp x3, x4 + bne .Lfailure + + mov x0, #-2 + mov x1, #-2 + smulh x2, x0, x1 + cmp x2, #0 + bne .Lfailure + umulh x3, x0, x1 + cmp x3, #-4 + bne .Lfailure + + mov x0, #2 + mov x1, #2 + smulh x2, x0, x1 + cmp x2, #0 + bne .Lfailure + umulh x3, x0, x1 + cmp x3, #0 + bne .Lfailure + + pass +.Lfailure: + fail |