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| author | Jeff Law <law@gcc.gnu.org> | 1997-05-21 23:35:37 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1997-05-21 23:35:37 -0600 |
| commit | bb75a000abe6aa89c3544435ce56bebb6da69167 (patch) | |
| tree | 6c434a8e0b6a4387e5b9e6a155d6b9588c161cde /gcc | |
| parent | 5bef9b1f9d52d6f8a5a65b8f680d2e39bf2dce6d (diff) | |
| download | gcc-bb75a000abe6aa89c3544435ce56bebb6da69167.zip gcc-bb75a000abe6aa89c3544435ce56bebb6da69167.tar.gz gcc-bb75a000abe6aa89c3544435ce56bebb6da69167.tar.bz2 | |
* mn10300.md (reload_insi): Handle SUBREG properly.
From-SVN: r14109
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/mn10300/mn10300.md | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/gcc/config/mn10300/mn10300.md b/gcc/config/mn10300/mn10300.md index 40d3868..8fab7c1 100644 --- a/gcc/config/mn10300/mn10300.md +++ b/gcc/config/mn10300/mn10300.md @@ -167,12 +167,26 @@ if (XEXP (operands[1], 0) == stack_pointer_rtx) { emit_move_insn (operands[0], XEXP (operands[1], 0)); - emit_move_insn (operands[2], XEXP (operands[1], 1)); + if (GET_CODE (XEXP (operands[1], 1)) == SUBREG + && (GET_MODE_SIZE (GET_MODE (XEXP (operands[1], 1))) + > GET_MODE_SIZE (GET_MODE (SUBREG_REG (XEXP (operands[1], 1)))))) + emit_move_insn (operands[2], + gen_rtx (ZERO_EXTEND, GET_MODE (XEXP (operands[1], 1)), + SUBREG_REG (XEXP (operands[1], 1)))); + else + emit_move_insn (operands[2], XEXP (operands[1], 1)); } else { emit_move_insn (operands[0], XEXP (operands[1], 1)); - emit_move_insn (operands[2], XEXP (operands[1], 0)); + if (GET_CODE (XEXP (operands[1], 0)) == SUBREG + && (GET_MODE_SIZE (GET_MODE (XEXP (operands[1], 0))) + > GET_MODE_SIZE (GET_MODE (SUBREG_REG (XEXP (operands[1], 0)))))) + emit_move_insn (operands[2], + gen_rtx (ZERO_EXTEND, GET_MODE (XEXP (operands[1], 0)), + SUBREG_REG (XEXP (operands[1], 0)))); + else + emit_move_insn (operands[2], XEXP (operands[1], 0)); } emit_insn (gen_addsi3 (operands[0], operands[0], operands[2])); DONE; |