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| author | Oleg Endo <olegendo@gcc.gnu.org> | 2012-06-13 18:45:17 +0000 |
|---|---|---|
| committer | Oleg Endo <olegendo@gcc.gnu.org> | 2012-06-13 18:45:17 +0000 |
| commit | 638a085f5c16d6557ffa7f40b73ef80d354ed8bd (patch) | |
| tree | 884bba83d6c1b37c48b1dddd1026ed60cafbc25c | |
| parent | 054121a40887206a4ecc0646fa645a6a94e3d2f9 (diff) | |
| download | gcc-638a085f5c16d6557ffa7f40b73ef80d354ed8bd.zip gcc-638a085f5c16d6557ffa7f40b73ef80d354ed8bd.tar.gz gcc-638a085f5c16d6557ffa7f40b73ef80d354ed8bd.tar.bz2 | |
re PR target/53568 (SH Target: Add support for bswap built-ins)
PR target/53568
* config/sh/sh.md (bswapsi2): New expander.
(swapbsi2): New insn.
From-SVN: r188524
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/sh/sh.md | 32 |
2 files changed, 38 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 43e5323..41a3e07 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-06-13 Oleg Endo <olegendo@gcc.gnu.org> + + PR target/53568 + * config/sh/sh.md (bswapsi2): New expander. + (swapbsi2): New insn. + 2012-06-13 H.J. Lu <hongjiu.lu@intel.com> PR target/53647 diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md index eaf099e..05a4f38 100644 --- a/gcc/config/sh/sh.md +++ b/gcc/config/sh/sh.md @@ -4529,6 +4529,38 @@ label: emit_label_after (skip_neg_label, emit_insn (gen_negc (high_dst, high_src))); DONE; }) + +(define_expand "bswapsi2" + [(set (match_operand:SI 0 "arith_reg_dest" "") + (bswap:SI (match_operand:SI 1 "arith_reg_operand" "")))] + "TARGET_SH1" +{ + if (! can_create_pseudo_p ()) + FAIL; + else + { + rtx tmp0 = gen_reg_rtx (SImode); + rtx tmp1 = gen_reg_rtx (SImode); + + emit_insn (gen_swapbsi2 (tmp0, operands[1])); + emit_insn (gen_rotlsi3_16 (tmp1, tmp0)); + emit_insn (gen_swapbsi2 (operands[0], tmp1)); + DONE; + } +}) + +(define_insn "swapbsi2" + [(set (match_operand:SI 0 "arith_reg_dest" "=r") + (ior:SI (and:SI (match_operand:SI 1 "arith_reg_operand" "r") + (const_int 4294901760)) + (ior:SI (and:SI (ashift:SI (match_dup 1) (const_int 8)) + (const_int 65280)) + (and:SI (ashiftrt:SI (match_dup 1) (const_int 8)) + (const_int 255)))))] + "TARGET_SH1" + "swap.b %1,%0" + [(set_attr "type" "arith")]) + ;; ------------------------------------------------------------------------- ;; Zero extension instructions |