Add simple lsr tests.

src/lsr.gdb

@@ -0,0 +1,3 @@
+c
+c
+info registers

src/lsr.log

@@ -0,0 +1,15 @@
+Breakpoint 1 at 0x10088
+Breakpoint 2 at 0x10208
+0x0000000000010078 in _start ()
+
+Breakpoint 1, 0x0000000000010088 in _start ()
+
+Breakpoint 2, 0x0000000000010208 in _stop ()
+r0                            <00> 0x1	1
+r1                            <00> 0x1	1
+r2                            <00> 0x2	2
+r3                            <00> 0x3	3
+r4                            <00> 0x8	8
+r5                            <00> 0x2	2
+r6                            <00> 0xa	10
+r7                            <00> 0x9	9

src/lsr.s

@@ -0,0 +1,33 @@
+.global _start
+.global _stop
+
+_start:
+    setwd wsz=4, nfx=1
+
+.macro loop r, p=0, l=0, e=0, s=0
+{
+    nop 3
+    addd 0, 0, \r
+    disp %ctpr1, 0f
+    rwd (\s << 53) | (\p << 48) | (1UL << 37) | (\e << 32) | \l, %lsr
+}
+0:
+{
+    addd \r, 1, \r
+    alc alcf=1, alct=1
+    ct %ctpr1 ? #NOT_LOOP_END
+}
+.endm
+
+loop %r0, 0UL, 0, 0UL
+loop %r1, 0UL, 1, 0UL
+loop %r2, 0UL, 2, 0UL
+loop %r3, 0UL, 3, 0UL
+loop %r4, 4UL, 8, 0UL
+loop %r5, 8UL, 2, 0UL
+loop %r6, 4UL, 8, 2UL
+loop %r7, 4UL, 0, 8UL
+
+_stop:
+    udivs 0, 0, %empty
+

src/lsr2.gdb

@@ -0,0 +1,3 @@
+c
+c
+info registers

src/lsr2.log

@@ -0,0 +1,15 @@
+Breakpoint 1 at 0x10088
+Breakpoint 2 at 0x10248
+0x0000000000010078 in _start ()
+
+Breakpoint 1, 0x0000000000010088 in _start ()
+
+Breakpoint 2, 0x0000000000010248 in _stop ()
+r0                            <00> 0x1	1
+r1                            <00> 0x1	1
+r2                            <00> 0x1	1
+r3                            <00> 0x2	2
+r4                            <00> 0x7	7
+r5                            <00> 0x1	1
+r6                            <00> 0x9	9
+r7                            <00> 0x8	8

src/lsr2.s

@@ -0,0 +1,31 @@
+.global _start
+.global _stop
+
+_start:
+    setwd wsz=4, nfx=1
+
+.macro loop r, p=0, l=0, e=0, s=0
+{
+    nop 3
+    addd 0, 0, \r
+    disp %ctpr1, 0f
+    rwd (\s << 53) | (\p << 48) | (1UL << 37) | (\e << 32) | \l, %lsr
+}
+0:
+    addd \r, 1, \r
+    alc alcf=1, alct=1
+    ct %ctpr1 ? #NOT_LOOP_END
+.endm
+
+loop %r0, 0UL, 0, 0UL
+loop %r1, 0UL, 1, 0UL
+loop %r2, 0UL, 2, 0UL
+loop %r3, 0UL, 3, 0UL
+loop %r4, 4UL, 8, 0UL
+loop %r5, 8UL, 2, 0UL
+loop %r6, 4UL, 8, 2UL
+loop %r7, 4UL, 0, 8UL
+
+_stop:
+    udivs 0, 0, %empty
+