diff options
Diffstat (limited to 'gcc/config/1750a/1750a.c')
| -rw-r--r-- | gcc/config/1750a/1750a.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/gcc/config/1750a/1750a.c b/gcc/config/1750a/1750a.c index 5871f90..e7a98dd 100644 --- a/gcc/config/1750a/1750a.c +++ b/gcc/config/1750a/1750a.c @@ -291,6 +291,32 @@ small_nonneg_const (op, mode) return 0; } + +/* predicate for 1750 `B' addressing mode (Base Register with Offset) + memory operand */ +int +b_mode_operand (op) + rtx op; +{ + if (GET_CODE (op) == MEM) + { + rtx inner = XEXP (op, 0); + if (GET_CODE (inner) == PLUS) + { + rtx plus_op0 = XEXP (inner, 0); + if (GET_CODE (plus_op0) == REG && REG_OK_FOR_INDEX_P (plus_op0)) + { + rtx plus_op1 = XEXP (inner, 1); + if (GET_CODE (plus_op1) == CONST_INT + && INTVAL (plus_op1) >= 0 + && INTVAL (plus_op1) <= 255) + return 1; + } + } + } + return 0; +} + /* Decide whether to output a conditional jump as a "Jump Conditional" or as a "Branch Conditional": */ @@ -384,7 +410,12 @@ print_operand (file, x, kode) case LABEL_REF: case CONST: case MEM: - output_address (XEXP (x, 0)); + if (kode == 'Q') + fprintf (file, "r%d,%d", + REGNO (XEXP (XEXP (x, 0), 0)), + INTVAL (XEXP (XEXP (x, 0), 1))); + else + output_address (XEXP (x, 0)); break; case CONST_DOUBLE: /* { |