gas/testsuite/gas/arm/thumb2_ldmstm.s

   1 .syntax unified
   2 .thumb
   3 ldmstm:
   4         ldmia sp!, {r0}
   5         ldmia sp!, {r8}
   6         ldmia r1, {r9}
   7         ldmia r2!, {ip}
   8         ldmdb sp!, {r2}
   9         ldmdb sp!, {r8}
  10         ldmdb r6, {r4}
  11         ldmdb r6, {r8}
  12         ldmdb r2!, {r4}
  13         ldmdb r2!, {ip}
  14         stmia sp!, {r3}
  15         stmia sp!, {r9}
  16         stmia r3, {ip}
  17         stmia r4!, {ip}
  18         stmdb sp!, {r3}
  19         stmdb sp!, {r9}
  20         stmdb r7, {r5}
  21         stmdb r6, {ip}
  22         stmdb r6!, {fp}
  23         stmdb r5!, {r8}
  24
  25         @ Valid Thumb-2 encodings of LDM/LDMIA/LDMFD as specified by section
  26         @ A8.6.53 of the ARM ARM
  27         ldmia r0!, {r1-r3}      @ Encoding T1
  28         ldmia r0, {r0-r3}       @ Encoding T1
  29         ldmia r0!, {r1}         @ Encoding T1
  30         ldmia r0, {r8-r11}      @ Encoding T2
  31         ldmia.w r0!, {r1-r3}    @ Encoding T2
  32         ldmia r0!, {r8-r11}     @ Encoding T2
  33         ldmia r0!, {r12, r14}   @ Encoding T2
  34         ldmia r0!, {r12, pc}    @ Encoding T2
  35         it eq
  36         ldmiaeq r0!, {r12, pc}  @ Encoding T2
  37
  38         @ Valid Thumb-2 encodings of STM/STMIA/STMEA as specified by section
  39         @ A8.6.189 of the ARMARM.
  40         stmia r0!, {r0-r3}      @ Encoding T1, Allowed as r0 is lowest reg
  41         stmia r0!, {r4-r7}      @ Encoding T1
  42         stmia.w r0!, {r4-r7}    @ Encoding T2
  43         stmia r0!, {r8-r11}     @ Encoding T2
  44         stmia r0, {r0-r3}       @ Encoding T2
  45         stmia r0, {r8-r11}      @ Encoding T2
  46
  47         @ The following are technically UNPREDICTABLE if we assemble them
  48         @ as written, but gas translates (stm|ldm) rn(!), {rd} into an
  49         @ equivalent, and well-defined, (ldr, str) rd, [rn], (#4).
  50         ldmia.w r0!, {r1}       @ ldr.w r1, [r0], #4
  51         ldmia.w r0, {r1}        @ ldr.w r1, [r0]
  52         ldmia r8!, {r9}         @ ldr.w r9, [r8], #4
  53         ldmia r8, {r9}          @ ldr.w r9, [r8]
  54         stmia.w r0!, {r1}       @ str.w r1, [r0], #4
  55         stmia r0, {r1}          @ T1 str r1, [r0]
  56         ldmia r1, {r2}          @ T1 ldr r2, [r1]
  57         ldmia r0, {r7}          @ T1 ldr r7, [r0]
  58         stmia sp, {r7}          @ T1 str r7, [sp]
  59         stmia sp, {r0}          @ T1 str r0, [sp]
  60         ldmia sp, {r7}          @ T1 ldr r7, [sp]
  61         ldmia sp, {r0}          @ T1 ldr r0, [sp]
  62         stmia r8!, {r9}         @ str.w r9, [r8], #4
  63         stmia r8, {r9}          @ str.w r9, [r8]