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| author | Bill Schmidt <wschmidt@linux.vnet.ibm.com> | 2014-01-24 21:32:38 +0000 |
|---|---|---|
| committer | William Schmidt <wschmidt@gcc.gnu.org> | 2014-01-24 21:32:38 +0000 |
| commit | 8adcc78b5fcd47320c710bfe768f1cee9d094e1d (patch) | |
| tree | 230877160c5cd25787f9bf9bc02743f377e1b1bc /gcc/config | |
| parent | 3d75049621434125a972a3fc738437d33d35ca8a (diff) | |
| download | gcc-8adcc78b5fcd47320c710bfe768f1cee9d094e1d.zip gcc-8adcc78b5fcd47320c710bfe768f1cee9d094e1d.tar.gz gcc-8adcc78b5fcd47320c710bfe768f1cee9d094e1d.tar.bz2 | |
rs6000.c (rs6000_expand_vec_perm_const_1): Remove correction for little endian...
2014-01-24 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/rs6000.c (rs6000_expand_vec_perm_const_1): Remove
correction for little endian...
* config/rs6000/vsx.md (vsx_xxpermdi2_<mode>_1): ...and move it to
here.
From-SVN: r207062
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 16 | ||||
| -rw-r--r-- | gcc/config/rs6000/vsx.md | 27 |
2 files changed, 25 insertions, 18 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 867b8e8..801b9dc 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -30140,22 +30140,6 @@ rs6000_expand_vec_perm_const_1 (rtx target, rtx op0, rtx op1, vmode = GET_MODE (target); gcc_assert (GET_MODE_NUNITS (vmode) == 2); dmode = mode_for_vector (GET_MODE_INNER (vmode), 4); - - /* For little endian, swap operands and invert/swap selectors - to get the correct xxpermdi. The operand swap sets up the - inputs as a little endian array. The selectors are swapped - because they are defined to use big endian ordering. The - selectors are inverted to get the correct doublewords for - little endian ordering. */ - if (!BYTES_BIG_ENDIAN) - { - int n; - perm0 = 3 - perm0; - perm1 = 3 - perm1; - n = perm0, perm0 = perm1, perm1 = n; - x = op0, op0 = op1, op1 = x; - } - x = gen_rtx_VEC_CONCAT (dmode, op0, op1); v = gen_rtvec (2, GEN_INT (perm0), GEN_INT (perm1)); x = gen_rtx_VEC_SELECT (vmode, x, gen_rtx_PARALLEL (VOIDmode, v)); diff --git a/gcc/config/rs6000/vsx.md b/gcc/config/rs6000/vsx.md index 145bf27..a63e34e 100644 --- a/gcc/config/rs6000/vsx.md +++ b/gcc/config/rs6000/vsx.md @@ -1634,9 +1634,32 @@ (match_operand 4 "const_2_to_3_operand" "")])))] "VECTOR_MEM_VSX_P (<MODE>mode)" { - int mask = (INTVAL (operands[3]) << 1) | (INTVAL (operands[4]) - 2); + int op3, op4, mask; + + /* For little endian, swap operands and invert/swap selectors + to get the correct xxpermdi. The operand swap sets up the + inputs as a little endian array. The selectors are swapped + because they are defined to use big endian ordering. The + selectors are inverted to get the correct doublewords for + little endian ordering. */ + if (BYTES_BIG_ENDIAN) + { + op3 = INTVAL (operands[3]); + op4 = INTVAL (operands[4]); + } + else + { + op3 = 3 - INTVAL (operands[4]); + op4 = 3 - INTVAL (operands[3]); + } + + mask = (op3 << 1) | (op4 - 2); operands[3] = GEN_INT (mask); - return "xxpermdi %x0,%x1,%x2,%3"; + + if (BYTES_BIG_ENDIAN) + return "xxpermdi %x0,%x1,%x2,%3"; + else + return "xxpermdi %x0,%x2,%x1,%3"; } [(set_attr "type" "vecperm")]) |