ARM parsing and encoding for LDRB instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137071 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/MC/ARM/arm-memory-instructions.s b/test/MC/ARM/arm-memory-instructions.s
index 5e3a7c0cdb9c72d0991dd3180a92b79c7e826623..965d8e9f9fc73238c8da0cf21bba01493e7607cd 100644 (file)
--- a/test/MC/ARM/arm-memory-instructions.s
+++ b/test/MC/ARM/arm-memory-instructions.s
@@ -51,3 +51,41 @@ _func:
 @ CHECK: ldr   r4, [r3], -r6           @ encoding: [0x06,0x40,0x13,0xe6]
 @ CHECK: ldr   r3, [r8, -r2, lsl #15]  @ encoding: [0x82,0x37,0x18,0xe7]
 @ CHECK: ldr   r1, [r5], r3, asr #15   @ encoding: [0xc3,0x17,0x95,0xe6]
+
+
+@------------------------------------------------------------------------------
+@ LDRB (immediate)
+@------------------------------------------------------------------------------
+        ldrb r3, [r8]
+        ldrb r1, [sp, #63]
+        ldrb r9, [r3, #4095]!
+        ldrb r8, [r1], #22
+        ldrb r2, [r7], #-19
+
+@ CHECK: ldrb  r3, [r8]                @ encoding: [0x00,0x30,0xd8,0xe5]
+@ CHECK: ldrb  r1, [sp, #63]           @ encoding: [0x3f,0x10,0xdd,0xe5]
+@ CHECK: ldrb  r9, [r3, #4095]!        @ encoding: [0xff,0x9f,0xf3,0xe5]
+@ CHECK: ldrb  r8, [r1], #22           @ encoding: [0x16,0x80,0xd1,0xe4]
+@ CHECK: ldrb  r2, [r7], #-19          @ encoding: [0x13,0x20,0x57,0xe4]
+
+
+@------------------------------------------------------------------------------
+@ LDRB (register)
+@------------------------------------------------------------------------------
+        ldr r9, [r8, r5]
+        ldr r1, [r5, -r1]
+        ldr r3, [r5, r2]!
+        ldr r6, [r9, -r3]!
+        ldr r2, [r1], r4
+        ldr r8, [r4], -r5
+        ldr r7, [r12, -r1, lsl #15]
+        ldr r5, [r2], r9, asr #15
+
+@ CHECK: ldr   r9, [r8, r5]            @ encoding: [0x05,0x90,0x98,0xe7]
+@ CHECK: ldr   r1, [r5, -r1]           @ encoding: [0x01,0x10,0x15,0xe7]
+@ CHECK: ldr   r3, [r5, r2]!           @ encoding: [0x02,0x30,0xb5,0xe7]
+@ CHECK: ldr   r6, [r9, -r3]!          @ encoding: [0x03,0x60,0x39,0xe7]
+@ CHECK: ldr   r2, [r1], r4            @ encoding: [0x04,0x20,0x91,0xe6]
+@ CHECK: ldr   r8, [r4], -r5           @ encoding: [0x05,0x80,0x14,0xe6]
+@ CHECK: ldr   r7, [r12, -r1, lsl #15] @ encoding: [0x81,0x77,0x1c,0xe7]
+@ CHECK: ldr   r5, [r2], r9, asr #15   @ encoding: [0xc9,0x57,0x92,0xe6]