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| author | David Edelsohn <edelsohn@gnu.org> | 2000-12-03 02:41:08 +0000 |
|---|---|---|
| committer | David Edelsohn <dje@gcc.gnu.org> | 2000-12-02 21:41:08 -0500 |
| commit | 6c873122ce204fca1fdefa763661147ae239544d (patch) | |
| tree | 3cf33b512c5ab47ac3fe806530d459244574ef9c /gcc | |
| parent | 690c96c8bf01285496eceb96ff13b4ddc84a75f4 (diff) | |
| download | gcc-6c873122ce204fca1fdefa763661147ae239544d.zip gcc-6c873122ce204fca1fdefa763661147ae239544d.tar.gz gcc-6c873122ce204fca1fdefa763661147ae239544d.tar.bz2 | |
rs6000.md (anddi3_internal[23]): Prefer rldic?
* rs6000.md (anddi3_internal[23]): Prefer rldic? over andis
instruction.
(cr logic): Really make operands sequential.
From-SVN: r37962
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.md | 24 |
2 files changed, 18 insertions, 12 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 11b01ab..92064a0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2000-12-02 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (anddi3_internal[23]): Prefer rldic? over andis + instruction. + (cr logic): Really make operands sequential. + 2000-12-02 Geoffrey Keating <geoffk@redhat.com> * c-common.c (combine_strings): When the ISO C standard specifies diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index 54ecc5f..aa37d7a 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -6949,23 +6949,23 @@ andis. %0,%1,%u2") (define_insn "*anddi3_internal2" - [(set (match_operand:CC 0 "cc_reg_operand" "=x,x,x,x,?y,??y,??y,?y") + [(set (match_operand:CC 0 "cc_reg_operand" "=x,x,x,x,?y,?y,??y,??y") (compare:CC (and:DI (match_operand:DI 1 "gpc_reg_operand" "%r,r,r,r,r,r,r,") - (match_operand:DI 2 "and64_operand" "r,K,J,S,r,K,J,S")) + (match_operand:DI 2 "and64_operand" "r,S,K,J,r,S,K,J")) (const_int 0))) (clobber (match_scratch:DI 3 "=r,r,r,r,r,r,r,r")) - (clobber (match_scratch:CC 4 "=X,X,X,X,X,x,x,X"))] + (clobber (match_scratch:CC 4 "=X,X,X,X,X,X,x,x"))] "TARGET_POWERPC64" "@ and. %3,%1,%2 + rldic%B2. %3,%1,0,%S2 andi. %3,%1,%b2 andis. %3,%1,%u2 - rldic%B2. %3,%1,0,%S2 # # # #" - [(set_attr "type" "compare,compare,compare,delayed_compare,compare,compare,compare,delayed_compare") + [(set_attr "type" "compare,delayed_compare,compare,compare,compare,delayed_compare,compare,compare") (set_attr "length" "4,4,4,4,8,8,8,8")]) (define_split @@ -6986,24 +6986,24 @@ "") (define_insn "*anddi3_internal3" - [(set (match_operand:CC 3 "cc_reg_operand" "=x,x,x,x,?y,??y,??y,?y") + [(set (match_operand:CC 3 "cc_reg_operand" "=x,x,x,x,?y,?y,??y,??y") (compare:CC (and:DI (match_operand:DI 1 "gpc_reg_operand" "%r,r,r,r,r,r,r,r") - (match_operand:DI 2 "and64_operand" "r,K,J,S,r,K,J,S")) + (match_operand:DI 2 "and64_operand" "r,S,K,J,r,S,K,J")) (const_int 0))) (set (match_operand:DI 0 "gpc_reg_operand" "=r,r,r,r,r,r,r,r") (and:DI (match_dup 1) (match_dup 2))) - (clobber (match_scratch:CC 4 "=X,X,X,X,X,x,x,X"))] + (clobber (match_scratch:CC 4 "=X,X,X,X,X,X,x,x"))] "TARGET_POWERPC64" "@ and. %0,%1,%2 + rldic%B2. %0,%1,0,%S2 andi. %0,%1,%b2 andis. %0,%1,%u2 - rldic%B2. %0,%1,0,%S2 # # # #" - [(set_attr "type" "compare,compare,compare,delayed_compare,compare,compare,compare,delayed_compare") + [(set_attr "type" "compare,delayed_compare,compare,compare,compare,delayed_compare,compare,compare") (set_attr "length" "4,4,4,4,8,8,8,8")]) (define_split @@ -12566,9 +12566,9 @@ operands[2] = GEN_INT (INTVAL (operands[1]) >> 32); (define_insn "" [(set (match_operand:CCEQ 0 "cc_reg_operand" "=y") - (compare:CCEQ (match_operator:SI 2 + (compare:CCEQ (match_operator:SI 1 "branch_positive_comparison_operator" - [(match_operand 1 + [(match_operand 2 "cc_reg_operand" "y") (const_int 0)]) (const_int 0)))] |