diff options
Diffstat (limited to 'gcc/expmed.c')
| -rw-r--r-- | gcc/expmed.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index ba3c9a6..fc9ff47 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -329,7 +329,7 @@ store_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, value = protect_from_queue (value, 0); - /* Use vec_extract patterns for extracting parts of vectors whenever + /* Use vec_set patterns for inserting parts of vectors whenever available. */ if (VECTOR_MODE_P (GET_MODE (op0)) && !MEM_P (op0) @@ -1102,13 +1102,13 @@ extract_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, && !MEM_P (op0) && (vec_extract_optab->handlers[GET_MODE (op0)].insn_code != CODE_FOR_nothing) - && ((bitsize + bitnum) / GET_MODE_BITSIZE (GET_MODE_INNER (GET_MODE (op0))) - == bitsize / GET_MODE_BITSIZE (GET_MODE_INNER (GET_MODE (op0))))) + && ((bitnum + bitsize - 1) / GET_MODE_BITSIZE (GET_MODE_INNER (GET_MODE (op0))) + == bitnum / GET_MODE_BITSIZE (GET_MODE_INNER (GET_MODE (op0))))) { enum machine_mode outermode = GET_MODE (op0); enum machine_mode innermode = GET_MODE_INNER (outermode); int icode = (int) vec_extract_optab->handlers[outermode].insn_code; - int pos = bitnum / GET_MODE_BITSIZE (innermode); + unsigned HOST_WIDE_INT pos = bitnum / GET_MODE_BITSIZE (innermode); rtx rtxpos = GEN_INT (pos); rtx src = op0; rtx dest = NULL, pat, seq; |