diff options
Diffstat (limited to 'gcc/config/mips/mips.c')
| -rw-r--r-- | gcc/config/mips/mips.c | 91 |
1 files changed, 30 insertions, 61 deletions
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index 8f2f6e09824..966e7ce0891 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -21379,34 +21379,32 @@ mips_expand_vec_perm_const_1 (struct expand_vec_perm_d *d) return false; } -/* Expand a vec_perm_const pattern. */ +/* Implement TARGET_VECTORIZE_VEC_PERM_CONST. */ -bool -mips_expand_vec_perm_const (rtx operands[4]) +static bool +mips_vectorize_vec_perm_const (machine_mode vmode, rtx target, rtx op0, + rtx op1, const vec_perm_indices &sel) { struct expand_vec_perm_d d; int i, nelt, which; unsigned char orig_perm[MAX_VECT_LEN]; - rtx sel; bool ok; - d.target = operands[0]; - d.op0 = operands[1]; - d.op1 = operands[2]; - sel = operands[3]; + d.target = target; + d.op0 = op0; + d.op1 = op1; - d.vmode = GET_MODE (d.target); - gcc_assert (VECTOR_MODE_P (d.vmode)); - d.nelt = nelt = GET_MODE_NUNITS (d.vmode); - d.testing_p = false; + d.vmode = vmode; + gcc_assert (VECTOR_MODE_P (vmode)); + d.nelt = nelt = GET_MODE_NUNITS (vmode); + d.testing_p = !target; /* This is overly conservative, but ensures we don't get an uninitialized warning on ORIG_PERM. */ memset (orig_perm, 0, MAX_VECT_LEN); for (i = which = 0; i < nelt; ++i) { - rtx e = XVECEXP (sel, 0, i); - int ei = INTVAL (e) & (2 * nelt - 1); + int ei = sel[i] & (2 * nelt - 1); which |= (ei < nelt ? 1 : 2); orig_perm[i] = ei; } @@ -21419,7 +21417,7 @@ mips_expand_vec_perm_const (rtx operands[4]) case 3: d.one_vector_p = false; - if (!rtx_equal_p (d.op0, d.op1)) + if (d.testing_p || !rtx_equal_p (d.op0, d.op1)) break; /* FALLTHRU */ @@ -21436,6 +21434,19 @@ mips_expand_vec_perm_const (rtx operands[4]) break; } + if (d.testing_p) + { + d.target = gen_raw_REG (d.vmode, LAST_VIRTUAL_REGISTER + 1); + d.op1 = d.op0 = gen_raw_REG (d.vmode, LAST_VIRTUAL_REGISTER + 2); + if (!d.one_vector_p) + d.op1 = gen_raw_REG (d.vmode, LAST_VIRTUAL_REGISTER + 3); + + start_sequence (); + ok = mips_expand_vec_perm_const_1 (&d); + end_sequence (); + return ok; + } + ok = mips_expand_vec_perm_const_1 (&d); /* If we were given a two-vector permutation which just happened to @@ -21447,8 +21458,8 @@ mips_expand_vec_perm_const (rtx operands[4]) the original permutation. */ if (!ok && which == 3) { - d.op0 = operands[1]; - d.op1 = operands[2]; + d.op0 = op0; + d.op1 = op1; d.one_vector_p = false; memcpy (d.perm, orig_perm, MAX_VECT_LEN); ok = mips_expand_vec_perm_const_1 (&d); @@ -21468,48 +21479,6 @@ mips_sched_reassociation_width (unsigned int opc ATTRIBUTE_UNUSED, return 1; } -/* Implement TARGET_VECTORIZE_VEC_PERM_CONST_OK. */ - -static bool -mips_vectorize_vec_perm_const_ok (machine_mode vmode, vec_perm_indices sel) -{ - struct expand_vec_perm_d d; - unsigned int i, nelt, which; - bool ret; - - d.vmode = vmode; - d.nelt = nelt = GET_MODE_NUNITS (d.vmode); - d.testing_p = true; - - /* Categorize the set of elements in the selector. */ - for (i = which = 0; i < nelt; ++i) - { - unsigned char e = sel[i]; - d.perm[i] = e; - gcc_assert (e < 2 * nelt); - which |= (e < nelt ? 1 : 2); - } - - /* For all elements from second vector, fold the elements to first. */ - if (which == 2) - for (i = 0; i < nelt; ++i) - d.perm[i] -= nelt; - - /* Check whether the mask can be applied to the vector type. */ - d.one_vector_p = (which != 3); - - d.target = gen_raw_REG (d.vmode, LAST_VIRTUAL_REGISTER + 1); - d.op1 = d.op0 = gen_raw_REG (d.vmode, LAST_VIRTUAL_REGISTER + 2); - if (!d.one_vector_p) - d.op1 = gen_raw_REG (d.vmode, LAST_VIRTUAL_REGISTER + 3); - - start_sequence (); - ret = mips_expand_vec_perm_const_1 (&d); - end_sequence (); - - return ret; -} - /* Expand an integral vector unpack operation. */ void @@ -22591,8 +22560,8 @@ mips_starting_frame_offset (void) #undef TARGET_PREPARE_PCH_SAVE #define TARGET_PREPARE_PCH_SAVE mips_prepare_pch_save -#undef TARGET_VECTORIZE_VEC_PERM_CONST_OK -#define TARGET_VECTORIZE_VEC_PERM_CONST_OK mips_vectorize_vec_perm_const_ok +#undef TARGET_VECTORIZE_VEC_PERM_CONST +#define TARGET_VECTORIZE_VEC_PERM_CONST mips_vectorize_vec_perm_const #undef TARGET_SCHED_REASSOCIATION_WIDTH #define TARGET_SCHED_REASSOCIATION_WIDTH mips_sched_reassociation_width |