diff options
| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-10-02 17:59:37 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-10-02 17:59:37 +0000 |
| commit | 6033bc948fd739a6b2ef6bc571ce250c197e8ea8 (patch) | |
| tree | b7027e3ed2a5301b4b65821cf09903b3bfef21c7 | |
| parent | c28ae87f24c2db6f1f157e7016d33ca5adb8ee04 (diff) | |
| download | ppe42-gcc-6033bc948fd739a6b2ef6bc571ce250c197e8ea8.tar.gz ppe42-gcc-6033bc948fd739a6b2ef6bc571ce250c197e8ea8.zip | |
Jan Hubicka <hubicka@freesoft.cz>
* i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
(mov $-1 to or peepholer): Enable for pentium when optimizing for
speed.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29771 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 12 |
2 files changed, 13 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index df280fc51c2..901ac95cefd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz> + + * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0 + (mov $-1 to or peepholer): Enable for pentium when optimizing for + speed. + Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz> * builtins.c (expand_builtin_strlen): Fix best mode searching loop. diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index a8281cc3745..9c47e2d8abb 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -1162,7 +1162,7 @@ [(set (attr "type") (cond [(and (match_operand:SI 1 "const0_operand" "") (and (match_operand:SI 0 "register_operand" "") - (ne (symbol_ref "TARGET_USE_MOV0") (const_int 0)))) + (eq (symbol_ref "TARGET_USE_MOV0") (const_int 0)))) (const_string "alu1") (and (ne (symbol_ref "flag_pic") (const_int 0)) (match_operand:SI 1 "symbolic_operand" "")) @@ -1254,7 +1254,7 @@ [(set (attr "type") (cond [(and (match_operand:HI 1 "const0_operand" "") (and (match_operand:HI 0 "register_operand" "") - (ne (symbol_ref "TARGET_USE_MOV0") (const_int 0)))) + (eq (symbol_ref "TARGET_USE_MOV0") (const_int 0)))) (const_string "alu1") (and (ne (symbol_ref "TARGET_MOVX") (const_int 0)) @@ -1431,7 +1431,7 @@ [(set (attr "type") (cond [(and (match_operand:QI 1 "const0_operand" "") (and (match_operand:QI 0 "register_operand" "") - (ne (symbol_ref "TARGET_USE_MOV0") (const_int 0)))) + (eq (symbol_ref "TARGET_USE_MOV0") (const_int 0)))) (const_string "alu1") (eq_attr "alternative" "3") (const_string "imovx") @@ -8146,7 +8146,8 @@ (define_peephole2 [(set (match_operand:SI 0 "register_operand" "") (const_int -1))] - "optimize_size && reg_dead_p (insn, gen_rtx_REG (CCmode, FLAGS_REG))" + "(optimize_size || TARGET_PENTIUM) + && reg_dead_p (insn, gen_rtx_REG (CCmode, FLAGS_REG))" [(parallel [(set (match_dup 0) (ior:SI (match_dup 0) (const_int -1))) (clobber (reg:CC 17))])] @@ -8155,7 +8156,8 @@ (define_peephole2 [(set (match_operand:HI 0 "register_operand" "") (const_int -1))] - "optimize_size && reg_dead_p (insn, gen_rtx_REG (CCmode, FLAGS_REG))" + "(optimize_size || TARGET_PENTIUM) + && reg_dead_p (insn, gen_rtx_REG (CCmode, FLAGS_REG))" [(parallel [(set (match_dup 0) (ior:HI (match_dup 0) (const_int -1))) (clobber (reg:CC 17))])] |
