The r4600_imul and r4600_idiv reservations were correct for si, but there were no *_di reservations.
See page 4 of http://www.sgistuff.net/hardware/other/documents/R4600_Prod_OV.pdf 2012-02-24 Matt Turner <matts...@gmail.com> * config/mips/4600.md (r4600_imul_si): Rename from r4600_imul. (r4600_imul_di): New. (r4600_idiv_si): Rename from r4600_idiv. (r4600_idiv_di): New. --- gcc/config/mips/4600.md | 24 +++++++++++++++++++----- 1 files changed, 19 insertions(+), 5 deletions(-) diff --git a/gcc/config/mips/4600.md b/gcc/config/mips/4600.md index c645cbc..fcdbf00 100644 --- a/gcc/config/mips/4600.md +++ b/gcc/config/mips/4600.md @@ -1,5 +1,5 @@ ;; R4600 and R4650 pipeline description. -;; Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc. +;; Copyright (C) 2004, 2005, 2007, 2012 Free Software Foundation, Inc. ;; ;; This file is part of GCC. @@ -24,16 +24,30 @@ ;; We handle the R4600 and R4650 in much the same way. The only difference ;; is in the integer multiplication and division costs. -(define_insn_reservation "r4600_imul" 10 +(define_insn_reservation "r4600_imul_si" 10 (and (eq_attr "cpu" "r4600") - (eq_attr "type" "imul,imul3,imadd")) + (eq_attr "type" "imul,imul3,imadd") + (eq_attr "mode" "SI")) "imuldiv*10") -(define_insn_reservation "r4600_idiv" 42 +(define_insn_reservation "r4600_imul_di" 12 (and (eq_attr "cpu" "r4600") - (eq_attr "type" "idiv")) + (eq_attr "type" "imul,imul3,imadd") + (eq_attr "mode" "DI")) + "imuldiv*12") + +(define_insn_reservation "r4600_idiv_si" 42 + (and (eq_attr "cpu" "r4600") + (eq_attr "type" "idiv") + (eq_attr "mode" "SI")) "imuldiv*42") +(define_insn_reservation "r4600_idiv_di" 74 + (and (eq_attr "cpu" "r4600") + (eq_attr "type" "idiv") + (eq_attr "mode" "DI")) + "imuldiv*74") + (define_insn_reservation "r4650_imul" 4 (and (eq_attr "cpu" "r4650") -- 1.7.3.4
