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| author | Richard Kenner <kenner@gcc.gnu.org> | 1995-09-15 17:29:37 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1995-09-15 17:29:37 -0400 |
| commit | b8076552689fa812fc189ce5e45904ee8f9061c8 (patch) | |
| tree | 1948c05f5b1dce636bbdf3008ca901c258d8cad1 /gcc/config/1750a | |
| parent | 760607e80cc4a2308e90e328f9997b5018d8d493 (diff) | |
| download | gcc-b8076552689fa812fc189ce5e45904ee8f9061c8.zip gcc-b8076552689fa812fc189ce5e45904ee8f9061c8.tar.gz gcc-b8076552689fa812fc189ce5e45904ee8f9061c8.tar.bz2 | |
(b_mode_operand): New function.
(print_operand): Added code 'Q'.
From-SVN: r10360
Diffstat (limited to 'gcc/config/1750a')
| -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: /* { |