From: Richard Sandiford Date: Wed, 30 Jun 2004 17:27:54 +0000 (+0000) Subject: 3000.md: Improve description. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b5674962f18be68ae4b22042b09fd251ccd09ed1;p=gcc.git 3000.md: Improve description. 2004-06-30 Richard Sandiford Eric Christopher * config/mips/3000.md: Improve description. From-SVN: r83917 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5ca2417a697..04562d7d066 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-06-30 Richard Sandiford + Eric Christopher + + * config/mips/3000.md: Improve description. + 2004-06-30 Paul Brook * config/arm/cirrus.md (cirrus_arm_movdi, cirrus_movsf_hard_insn, @@ -146,7 +151,7 @@ 2004-06-29 Per Bothner - * config/i386/winnt.c (i386_pe_encode_section_info): Smash rtlname's + * config/i386/winnt.c (i386_pe_encode_section_info): Smash rtlname's XSTR in place, so we don't lose SYMBOL_REF_DECL info. 2004-06-29 Zack Weinberg diff --git a/gcc/config/mips/3000.md b/gcc/config/mips/3000.md index 92825978002..8c9a0d6429f 100644 --- a/gcc/config/mips/3000.md +++ b/gcc/config/mips/3000.md @@ -2,68 +2,77 @@ ;; This is a special pipeline - this is also the default schedule and ;; so we need to schedule instructions that may not exist on the r2k/r3k. -;; Generic processor description that assumes that the only latencies are for -;; hazards or delay slots, otherwise everything is assumed to issue and execute -;; in one cycle. -(define_automaton "r3k") +(define_automaton "r3k_alu,r3k_imuldiv") -(define_cpu_unit "r3k_alu" "r3k") +(define_cpu_unit "r3k_alu" "r3k_alu") +(define_cpu_unit "r3k_imuldiv" "r3k_imuldiv") -(define_insn_reservation "r3k_generic_alu" 1 +(define_insn_reservation "r3k_generic" 1 (and (eq_attr "cpu" "r3000") - (eq_attr "type" "unknown,prefetch,prefetchx,condmove,mthilo,const,arith,shift,slt,clz,trap,fmove,fadd,fmadd,fabs,fneg,fcvt,fsqrt,frsqrt,multi,nop")) + (eq_attr "type" "unknown,prefetch,prefetchx,condmove,const,arith, + shift,slt,clz,trap,multi,nop")) "r3k_alu") -(define_insn_reservation "r3k_load_alu" 2 +(define_insn_reservation "r3k_load" 2 (and (eq_attr "cpu" "r3000") - (eq_attr "type" "load, fpload, fpidxload, xfer")) - "r3k_alu*2") + (eq_attr "type" "load,fpload,fpidxload,xfer")) + "r3k_alu") -(define_insn_reservation "r3k_call_alu" 2 +(define_insn_reservation "r3k_store" 1 (and (eq_attr "cpu" "r3000") - (eq_attr "type" "branch,jump,call")) - "r3k_alu*2") + (eq_attr "type" "store,fpstore,fpidxstore")) + "r3k_alu") -(define_insn_reservation "r3k_hilo_alu" 3 +(define_insn_reservation "r3k_branch" 1 (and (eq_attr "cpu" "r3000") - (eq_attr "type" "mfhilo")) - "r3k_alu*3") + (eq_attr "type" "branch,jump,call")) + "r3k_alu") -(define_insn_reservation "r3k_fcmp_alu" 2 +(define_insn_reservation "r3k_hilo" 1 (and (eq_attr "cpu" "r3000") - (eq_attr "type" "fcmp, fadd")) - "r3k_alu*2") + (eq_attr "type" "mfhilo,mthilo")) + "r3k_imuldiv*3") -(define_insn_reservation "r3k_imul_alu" 12 +(define_insn_reservation "r3k_imul" 12 (and (eq_attr "cpu" "r3000") - (eq_attr "type" "imul, imadd")) - "r3k_alu*12") + (eq_attr "type" "imul,imadd")) + "r3k_imuldiv*12") -(define_insn_reservation "r3k_idiv_alu" 35 +(define_insn_reservation "r3k_idiv" 35 (and (eq_attr "cpu" "r3000") (eq_attr "type" "idiv")) - "r3k_alu*35") + "r3k_imuldiv*35") + +(define_insn_reservation "r3k_fmove" 1 + (and (eq_attr "cpu" "r3000") + (eq_attr "type" "fabs,fneg,fmove,fcvt")) + "r3k_alu") -(define_insn_reservation "r3k_fmul_single_alu" 4 +(define_insn_reservation "r3k_fadd" 2 (and (eq_attr "cpu" "r3000") - (and (eq_attr "type" "fmul") + (eq_attr "type" "fcmp,fadd")) + "r3k_alu") + +(define_insn_reservation "r3k_fmul_single" 4 + (and (eq_attr "cpu" "r3000") + (and (eq_attr "type" "fmul,fmadd") (eq_attr "mode" "SF"))) - "r3k_alu*4") + "r3k_alu") -(define_insn_reservation "r3k_fmul_double_alu" 5 +(define_insn_reservation "r3k_fmul_double" 5 (and (eq_attr "cpu" "r3000") - (and (eq_attr "type" "fmul") + (and (eq_attr "type" "fmul,fmadd") (eq_attr "mode" "DF"))) - "r3k_alu*5") + "r3k_alu") -(define_insn_reservation "r3k_fdiv_single_alu" 12 +(define_insn_reservation "r3k_fdiv_single" 12 (and (eq_attr "cpu" "r3000") - (and (eq_attr "type" "fdiv") + (and (eq_attr "type" "fdiv,fsqrt,frsqrt") (eq_attr "mode" "SF"))) - "r3k_alu*12") + "r3k_alu") -(define_insn_reservation "r3k_fdiv_double_alu" 19 +(define_insn_reservation "r3k_fdiv_double" 19 (and (eq_attr "cpu" "r3000") - (and (eq_attr "type" "fdiv") + (and (eq_attr "type" "fdiv,fsqrt,frsqrt") (eq_attr "mode" "DF"))) - "r3k_alu*19") + "r3k_alu")