diff options
Diffstat (limited to 'gcc/expmed.c')
| -rw-r--r-- | gcc/expmed.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index b102241dbb1..8212992d10d 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -521,6 +521,8 @@ store_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, != CODE_FOR_nothing)) { int icode = optab_handler (movstrict_optab, fieldmode)->insn_code; + rtx insn; + rtx start = get_last_insn (); /* Get appropriate low part of the value being stored. */ if (GET_CODE (value) == CONST_INT || REG_P (value)) @@ -544,13 +546,17 @@ store_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, op0 = SUBREG_REG (op0); } - emit_insn (GEN_FCN (icode) + insn = (GEN_FCN (icode) (gen_rtx_SUBREG (fieldmode, op0, (bitnum % BITS_PER_WORD) / BITS_PER_UNIT + (offset * UNITS_PER_WORD)), value)); - - return true; + if (insn) + { + emit_insn (insn); + return true; + } + delete_insns_since (start); } /* Handle fields bigger than a word. */ |