diff options
| author | Ulrich Weigand <uweigand@de.ibm.com> | 2007-08-30 06:50:44 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2007-08-30 06:50:44 +0000 |
| commit | a94a76a7324487f7b2963a103da606efa1c2aaba (patch) | |
| tree | 9ad32ab569c8420b9b12050ce98df1d5a8797ab9 /gcc/config | |
| parent | e3c58a3a658489df094cf2146fe58976bab7ff49 (diff) | |
| download | gcc-a94a76a7324487f7b2963a103da606efa1c2aaba.zip gcc-a94a76a7324487f7b2963a103da606efa1c2aaba.tar.gz gcc-a94a76a7324487f7b2963a103da606efa1c2aaba.tar.bz2 | |
s390.c (s390_expand_addcc): Emit canonical alc pattern.
2007-08-30 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* config/s390/s390.c (s390_expand_addcc): Emit canonical alc
pattern.
* config/s390/s390.md ("*add<mode>3_alc_cc", "*add<mode>3_alc",
"addti3", "*adddi3_31z", "*scond<mode>"): Make alc pattern canonical.
From-SVN: r127920
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/s390/s390.c | 4 | ||||
| -rw-r--r-- | gcc/config/s390/s390.md | 28 |
2 files changed, 17 insertions, 15 deletions
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c index c93fe99..aa6db1f 100644 --- a/gcc/config/s390/s390.c +++ b/gcc/config/s390/s390.c @@ -3927,8 +3927,8 @@ s390_expand_addcc (enum rtx_code cmp_code, rtx cmp_op0, rtx cmp_op1, if (!register_operand (src, GET_MODE (dst))) src = force_reg (GET_MODE (dst), src); - src = gen_rtx_PLUS (GET_MODE (dst), src, const0_rtx); - op_res = gen_rtx_PLUS (GET_MODE (dst), src, op_res); + op_res = gen_rtx_PLUS (GET_MODE (dst), op_res, src); + op_res = gen_rtx_PLUS (GET_MODE (dst), op_res, const0_rtx); } p = rtvec_alloc (2); diff --git a/gcc/config/s390/s390.md b/gcc/config/s390/s390.md index e0e9edc..cb0f900 100644 --- a/gcc/config/s390/s390.md +++ b/gcc/config/s390/s390.md @@ -3635,8 +3635,9 @@ (match_dup 7))) (set (match_dup 6) (plus:DI (match_dup 7) (match_dup 8)))]) (parallel - [(set (match_dup 3) (plus:DI (plus:DI (match_dup 4) (match_dup 5)) - (ltu:DI (reg:CCL1 CC_REGNUM) (const_int 0)))) + [(set (match_dup 3) (plus:DI + (plus:DI (ltu:DI (reg:CCL1 CC_REGNUM) (const_int 0)) + (match_dup 4)) (match_dup 5))) (clobber (reg:CC CC_REGNUM))])] "operands[3] = operand_subword (operands[0], 0, 0, TImode); operands[4] = operand_subword (operands[1], 0, 0, TImode); @@ -3719,8 +3720,9 @@ (match_dup 7))) (set (match_dup 6) (plus:SI (match_dup 7) (match_dup 8)))]) (parallel - [(set (match_dup 3) (plus:SI (plus:SI (match_dup 4) (match_dup 5)) - (ltu:SI (reg:CCL1 CC_REGNUM) (const_int 0)))) + [(set (match_dup 3) (plus:SI + (plus:SI (ltu:SI (reg:CCL1 CC_REGNUM) (const_int 0)) + (match_dup 4)) (match_dup 5))) (clobber (reg:CC CC_REGNUM))])] "operands[3] = operand_subword (operands[0], 0, 0, DImode); operands[4] = operand_subword (operands[1], 0, 0, DImode); @@ -4308,12 +4310,12 @@ (define_insn "*add<mode>3_alc_cc" [(set (reg CC_REGNUM) (compare - (plus:GPR (plus:GPR (match_operand:GPR 1 "nonimmediate_operand" "%0,0") - (match_operand:GPR 2 "general_operand" "d,m")) - (match_operand:GPR 3 "s390_alc_comparison" "")) + (plus:GPR (plus:GPR (match_operand:GPR 3 "s390_alc_comparison" "") + (match_operand:GPR 1 "nonimmediate_operand" "%0,0")) + (match_operand:GPR 2 "general_operand" "d,m")) (const_int 0))) (set (match_operand:GPR 0 "register_operand" "=d,d") - (plus:GPR (plus:GPR (match_dup 1) (match_dup 2)) (match_dup 3)))] + (plus:GPR (plus:GPR (match_dup 3) (match_dup 1)) (match_dup 2)))] "s390_match_ccmode (insn, CCLmode) && TARGET_CPU_ZARCH" "@ alc<g>r\t%0,%2 @@ -4323,9 +4325,9 @@ ; alcr, alc, alcgr, alcg (define_insn "*add<mode>3_alc" [(set (match_operand:GPR 0 "register_operand" "=d,d") - (plus:GPR (plus:GPR (match_operand:GPR 1 "nonimmediate_operand" "%0,0") - (match_operand:GPR 2 "general_operand" "d,m")) - (match_operand:GPR 3 "s390_alc_comparison" ""))) + (plus:GPR (plus:GPR (match_operand:GPR 3 "s390_alc_comparison" "") + (match_operand:GPR 1 "nonimmediate_operand" "%0,0")) + (match_operand:GPR 2 "general_operand" "d,m"))) (clobber (reg:CC CC_REGNUM))] "TARGET_CPU_ZARCH" "@ @@ -4386,8 +4388,8 @@ "&& reload_completed" [(set (match_dup 0) (const_int 0)) (parallel - [(set (match_dup 0) (plus:GPR (plus:GPR (match_dup 0) (match_dup 0)) - (match_dup 1))) + [(set (match_dup 0) (plus:GPR (plus:GPR (match_dup 1) (match_dup 0)) + (match_dup 0))) (clobber (reg:CC CC_REGNUM))])] "") |