gas/testsuite/gas/score/branch_32.s

   1 /*
   2  * tests for branch instruction relaxation
   3  *
   4  * Author: libin
   5  */
   6
   7 .include "relaxation_macro.h"
   8
   9 .macro _b_op_pattern insn insn1
  10 .balign 2
  11
  12 /*
  13  * for local label 1, assembler should NOT alter instructions before .skip;
  14  * but it SHOULD alter instructions afte it.
  15  */
  16 1:
  17   insn_16    "\insn! 1b"
  18   tran_16_32 "\insn! 1b", "\insn 1b"
  19   insn_16    "\insn1 1b"
  20 .skip 512
  21   insn_16    "\insn! 1b"
  22   tran_16_32 "\insn! 1b", "\insn 1b"
  23   insn_16    "\insn1 1b"
  24
  25 /*
  26  * for local label 2, assembler SHOULD alter instructions before .skip;
  27  * but it should NOT alter instructions after it.
  28  */
  29   insn_16    "\insn! 2f"
  30   tran_16_32 "\insn! 2f", "\insn 2f"
  31   insn_16    "\insn1 2f"
  32 .skip 511
  33   insn_16    "\insn! 2f"
  34   tran_16_32 "\insn! 2f", "\insn 2f"
  35   insn_16    "\insn1 2f"
  36 2:
  37   nop!
  38
  39 /* tests for boundary */
  40 3:
  41 .skip 512
  42   insn_16 "\insn! 3b"
  43   insn_16 "\insn! 3b"
  44
  45   insn_16 "\insn! 4f"
  46   insn_16 "\insn! 4f"
  47 .skip 511
  48 4:
  49   nop!
  50 .endm
  51
  52 .macro _br_op_pattern insn
  53 .balign 2
  54   insn_32 "\insn r0"
  55   insn_32 "\insn r15"
  56
  57   tran_16_32 "\insn! r0", "\insn r0"
  58
  59   /* shouldn't alter */
  60   insn_32 "\insn r16"
  61   insn_32 "\insn r31"
  62 .endm
  63
  64 .macro _bcmp_op_pattern1 insn
  65 .balign 2
  66
  67 /* as will give "Using temp register(r1)" warning if you using r1 */
  68
  69 /*
  70  * for local label 1, assembler should NOT alter instructions before .skip;
  71  * but it SHOULD alter instructions afte it.
  72  */
  73 1:
  74   insn_32 "\insn r0,  r15, 1b"
  75   insn_32 "\insn r15, r16, 1b"
  76   insn_32 "\insn r15, r31, 1b"
  77   insn_32 "\insn r16, r31, 1b"
  78 .skip 512
  79   insn_32 "\insn r0,  r15, 1b"
  80   insn_32 "\insn r15, r16, 1b"
  81   insn_32 "\insn r15, r31, 1b"
  82   insn_32 "\insn r16, r31, 1b"
  83
  84 /*
  85  * for local label 2, assembler SHOULD alter instructions before .skip;
  86  * but it should NOT alter instructions after it.
  87  */
  88   insn_32 "\insn r0,  r15, 2f"
  89   insn_32 "\insn r15, r16, 2f"
  90   insn_32 "\insn r15, r31, 2f"
  91   insn_32 "\insn r16, r31, 2f"
  92 .skip 511
  93   insn_32 "\insn r0,  r15, 2f"
  94   insn_32 "\insn r15, r16, 2f"
  95   insn_32 "\insn r15, r31, 2f"
  96   insn_32 "\insn r16, r31, 2f"
  97 2:
  98   nop!
  99
 100 /* tests for boundary */
 101 3:
 102 .skip 512
 103   insn_32 "\insn r0,  r15, 3b"
 104   insn_32 "\insn r16, r15, 3b"
 105
 106   insn_32 "\insn r0,  r15, 4f"
 107   insn_32 "\insn r16, r15, 4f"
 108 .skip 511
 109 4:
 110 .endm
 111
 112 .macro _bcmp_op_pattern2 insn
 113 .balign 2
 114
 115 /* as will give "Using temp register(r1)" warning if you using r1 */
 116
 117 /*
 118  * for local label 1, assembler should NOT alter instructions before .skip;
 119  * but it SHOULD alter instructions afte it.
 120  */
 121 1:
 122   insn_32 "\insn r0,  1b"
 123   insn_32 "\insn r15, 1b"
 124   insn_32 "\insn r16, 1b"
 125   insn_32 "\insn r31, 1b"
 126 .skip 512
 127   insn_32 "\insn r0,  1b"
 128   insn_32 "\insn r15, 1b"
 129   insn_32 "\insn r16, 1b"
 130   insn_32 "\insn r31, 1b"
 131
 132 /*
 133  * for local label 2, assembler SHOULD alter instructions before .skip;
 134  * but it should NOT alter instructions after it.
 135  */
 136   insn_32 "\insn r0,  2f"
 137   insn_32 "\insn r15, 2f"
 138   insn_32 "\insn r16, 2f"
 139   insn_32 "\insn r31, 2f"
 140 .skip 511
 141   insn_32 "\insn r0,  2f"
 142   insn_32 "\insn r15, 2f"
 143   insn_32 "\insn r16, 2f"
 144   insn_32 "\insn r31, 2f"
 145 2:
 146   nop!
 147
 148 /* tests for boundary */
 149 3:
 150 .skip 512
 151   insn_32 "\insn r0,  3b"
 152   insn_32 "\insn r16, 3b"
 153
 154   insn_32 "\insn r0,  4f"
 155   insn_32 "\insn r16, 4f"
 156 .skip 511
 157 4:
 158 .endm
 159
 160 .text
 161 /* b Disp19 <-> b! Disp9 */
 162 _b_op_pattern "bgtu", "bgtul"
 163 _b_op_pattern "bleu", "bleul"
 164 _b_op_pattern "beq",  "beql"
 165 _b_op_pattern "bne",  "bnel"
 166 _b_op_pattern "bgt",  "bgtl"
 167 _b_op_pattern "ble",  "blel"
 168 _b_op_pattern "bcnz", "bcnzl"
 169 _b_op_pattern "b",    "bl"
 170
 171 /* br rD <-> br! rD */
 172 _br_op_pattern "br"
 173 _br_op_pattern "brl"
 174
 175 /* bcmpeq/bcmpne rA,rB,Disp9 -> cmp/cmp! rA, rB; beq/bne Disp19 */
 176 _bcmp_op_pattern1 "bcmpeq"
 177 _bcmp_op_pattern1 "bcmpne"
 178
 179 /* bcmpeqz/bcmpnez rA,Disp9 -> cmpi! rA, 0; beq/bne Disp19 */
 180 _bcmp_op_pattern2 "bcmpeqz"
 181 _bcmp_op_pattern2 "bcmpnez"