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| author | Richard Henderson <rth@redhat.com> | 2013-02-01 08:34:15 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2013-02-01 08:34:15 -0800 |
| commit | 749af8ee126fea9757ecf38ea85093603114bd50 (patch) | |
| tree | 288cb10a8773b1e343bcb5dfbc0b1c0720f7289a /gcc | |
| parent | c050cbe9b41307e5586e9c28001d5b15c2a16327 (diff) | |
| download | gcc-749af8ee126fea9757ecf38ea85093603114bd50.zip gcc-749af8ee126fea9757ecf38ea85093603114bd50.tar.gz gcc-749af8ee126fea9757ecf38ea85093603114bd50.tar.bz2 | |
ppc64: widening multiply patterns
* config/rs6000/rs6000.md (smulditi3): New.
(umulditi3): New.
From-SVN: r195667
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.md | 28 |
2 files changed, 33 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8c37f91..dd9224d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2013-02-01 Richard Henderson <rth@redhat.com> + + * config/rs6000/rs6000.md (smulditi3): New. + (umulditi3): New. + 2013-02-01 David Edelsohn <dje.gcc@gmail.com> * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_COMMON): Use floor_log2. diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index a4af648..b3db681 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -6326,6 +6326,34 @@ "mulhdu %0,%1,%2" [(set_attr "type" "lmul")]) +(define_expand "mulditi3" + [(set (match_operand:TI 0 "gpc_reg_operand") + (mult:TI (sign_extend:TI (match_operand:DI 1 "gpc_reg_operand")) + (sign_extend:TI (match_operand:DI 2 "gpc_reg_operand"))))] + "TARGET_POWERPC64" +{ + rtx l = gen_reg_rtx (DImode), h = gen_reg_rtx (DImode); + emit_insn (gen_muldi3 (l, operands[1], operands[2])); + emit_insn (gen_smuldi3_highpart (h, operands[1], operands[2])); + emit_move_insn (gen_lowpart (DImode, operands[0]), l); + emit_move_insn (gen_highpart (DImode, operands[0]), h); + DONE; +}) + +(define_expand "umulditi3" + [(set (match_operand:TI 0 "gpc_reg_operand") + (mult:TI (zero_extend:TI (match_operand:DI 1 "gpc_reg_operand")) + (zero_extend:TI (match_operand:DI 2 "gpc_reg_operand"))))] + "TARGET_POWERPC64" +{ + rtx l = gen_reg_rtx (DImode), h = gen_reg_rtx (DImode); + emit_insn (gen_muldi3 (l, operands[1], operands[2])); + emit_insn (gen_umuldi3_highpart (h, operands[1], operands[2])); + emit_move_insn (gen_lowpart (DImode, operands[0]), l); + emit_move_insn (gen_highpart (DImode, operands[0]), h); + DONE; +}) + (define_insn "rotldi3" [(set (match_operand:DI 0 "gpc_reg_operand" "=r,r") (rotate:DI (match_operand:DI 1 "gpc_reg_operand" "r,r") |