aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/config/mips/3000.md81
2 files changed, 51 insertions, 37 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5ca2417..04562d7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-06-30 Richard Sandiford <rsandifo@redhat.com>
+ Eric Christopher <echristo@redhat.com>
+
+ * config/mips/3000.md: Improve description.
+
2004-06-30 Paul Brook <paul@codesourcery.com>
* config/arm/cirrus.md (cirrus_arm_movdi, cirrus_movsf_hard_insn,
@@ -146,7 +151,7 @@
2004-06-29 Per Bothner <per@bothner.com>
- * 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 <zack@codesourcery.com>
diff --git a/gcc/config/mips/3000.md b/gcc/config/mips/3000.md
index 9282597..8c9a0d6 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")