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| author | Bill Schmidt <wschmidt@linux.vnet.ibm.com> | 2013-11-06 03:29:44 +0000 |
|---|---|---|
| committer | William Schmidt <wschmidt@gcc.gnu.org> | 2013-11-06 03:29:44 +0000 |
| commit | 2b9d047631ee625de6953470af92e37450b2cd66 (patch) | |
| tree | d11585a0f5c4cd59c22cd63a6158fe64c41a81f6 /gcc | |
| parent | 1a5d226128b32bd7b3a3f574cdd89e2c404fec81 (diff) | |
| download | gcc-2b9d047631ee625de6953470af92e37450b2cd66.zip gcc-2b9d047631ee625de6953470af92e37450b2cd66.tar.gz gcc-2b9d047631ee625de6953470af92e37450b2cd66.tar.bz2 | |
altivec.md (mulv4si3): Ensure we generate vmulouh for both big and little endian.
2013-11-05 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/altivec.md (mulv4si3): Ensure we generate vmulouh
for both big and little endian.
(mulv8hi3): Swap input operands for merge high and merge low
instructions for little endian.
From-SVN: r204440
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/rs6000/altivec.md | 17 |
2 files changed, 18 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c464dfc..f0da9fc 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,12 @@ 2013-11-05 Bill Schmidt <wschmidt@linux.vnet.ibm.com> + * config/rs6000/altivec.md (mulv4si3): Ensure we generate vmulouh + for both big and little endian. + (mulv8hi3): Swap input operands for merge high and merge low + instructions for little endian. + +2013-11-05 Bill Schmidt <wschmidt@linux.vnet.ibm.com> + * config/rs6000/altivec.md (vec_widen_umult_even_v16qi): Change define_insn to define_expand that uses even patterns for big endian and odd patterns for little endian. diff --git a/gcc/config/rs6000/altivec.md b/gcc/config/rs6000/altivec.md index 4c426cc..9f4b6a4 100644 --- a/gcc/config/rs6000/altivec.md +++ b/gcc/config/rs6000/altivec.md @@ -651,7 +651,7 @@ convert_move (small_swap, swap, 0); low_product = gen_reg_rtx (V4SImode); - emit_insn (gen_vec_widen_umult_odd_v8hi (low_product, one, two)); + emit_insn (gen_altivec_vmulouh (low_product, one, two)); high_product = gen_reg_rtx (V4SImode); emit_insn (gen_altivec_vmsumuhm (high_product, one, small_swap, zero)); @@ -678,13 +678,18 @@ emit_insn (gen_vec_widen_smult_even_v8hi (even, operands[1], operands[2])); emit_insn (gen_vec_widen_smult_odd_v8hi (odd, operands[1], operands[2])); - emit_insn (gen_altivec_vmrghw (high, even, odd)); - emit_insn (gen_altivec_vmrglw (low, even, odd)); - if (BYTES_BIG_ENDIAN) - emit_insn (gen_altivec_vpkuwum (operands[0], high, low)); + { + emit_insn (gen_altivec_vmrghw (high, even, odd)); + emit_insn (gen_altivec_vmrglw (low, even, odd)); + emit_insn (gen_altivec_vpkuwum (operands[0], high, low)); + } else - emit_insn (gen_altivec_vpkuwum (operands[0], low, high)); + { + emit_insn (gen_altivec_vmrghw (high, odd, even)); + emit_insn (gen_altivec_vmrglw (low, odd, even)); + emit_insn (gen_altivec_vpkuwum (operands[0], low, high)); + } DONE; }") |