From ffab8d8591430b98b70001d968784f7014ecd1b9 Mon Sep 17 00:00:00 2001 From: Jan Hubicka Date: Sat, 2 Oct 1999 19:59:37 +0200 Subject: [PATCH] Jan Hubicka * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0 (mov $-1 to or peepholer): Enable for pentium when optimizing for speed. From-SVN: r29771 --- gcc/ChangeLog | 6 ++++++ gcc/config/i386/i386.md | 12 +++++++----- 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index df280fc..901ac95 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Sat Oct 2 10:57:56 1999 Jan Hubicka + + * 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 * 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 a8281cc..9c47e2d 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))])] -- 2.7.4