From 36cf4bcf8646fb1413e6ed61f9f76b23274df643 Mon Sep 17 00:00:00 2001 From: Stan Cox Date: Fri, 31 Jan 1997 21:09:33 +0000 Subject: [PATCH] (idiv,imul,fpmul): Added new functional units for pentiumpro. From-SVN: r13570 --- gcc/config/i386/i386.md | 105 ++++++++++++++++++++++++++++------------ 1 file changed, 74 insertions(+), 31 deletions(-) diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 7d8fb2b17c3..244d43a6a0b 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -64,21 +64,50 @@ ;; This shadows the processor_type enumeration, so changes must be made ;; to i386.h at the same time. -(define_attr "type" "integer,fld,fpop,fpdiv" +(define_attr "type" "integer,idiv,imul,fld,fpop,fpdiv,fpmul" (const_string "integer")) ;; Functional units +; (define_function_unit NAME MULTIPLICITY SIMULTANEITY +; TEST READY-DELAY ISSUE-DELAY [CONFLICT-LIST]) + +; pentiumpro has a reservation station with 5 ports +; port 0 has integer, float add, integer divide, float divide, float +; multiply, and shifter units. +; port 1 has integer, and jump units. +; port 2 has the load address generation unit +; ports 3 and 4 have the store address generation units + +; pentium has two integer pipelines, the main u pipe and the secondary v pipe. +; and a float pipeline + ;; Floating point (define_function_unit "fp" 1 0 - (and (eq_attr "type" "fpop") (eq_attr "cpu" "!pentium")) + (and (eq_attr "type" "fpop") (eq_attr "cpu" "i386,i486")) 5 5) (define_function_unit "fp" 1 0 - (and (eq_attr "type" "fpop") (eq_attr "cpu" "pentium")) + (and (eq_attr "type" "fpop") (eq_attr "cpu" "pentium,pentiumpro")) 3 0) +(define_function_unit "fp" 1 0 + (and (eq_attr "type" "fpmul") (eq_attr "cpu" "pentium")) + 7 0) + +(define_function_unit "fp" 1 0 + (and (eq_attr "type" "fpmul") (eq_attr "cpu" "pentiumpro")) + 5 0) + +(define_function_unit "fp" 1 0 + (and (eq_attr "type" "idiv") (eq_attr "cpu" "pentiumpro")) + 10 10) + +(define_function_unit "fp" 1 0 + (and (eq_attr "type" "imul") (eq_attr "cpu" "pentiumpro")) + 6 0) + (define_function_unit "fp" 1 0 (eq_attr "type" "fpdiv") 10 10) @@ -1499,7 +1528,7 @@ return output_move_double (operands); }" -[(set_attr "type" "fld")]) + [(set_attr "type" "fld")]) @@ -3374,7 +3403,8 @@ /* Assembler has weird restrictions. */ return AS2 (imul%W0,%2,%0); return AS3 (imul%W0,%2,%1,%0); -}") +}" + [(set_attr "type" "imul")]) (define_insn "mulsi3" [(set (match_operand:SI 0 "register_operand" "=r,r") @@ -3389,35 +3419,40 @@ /* Assembler has weird restrictions. */ return AS2 (imul%L0,%2,%0); return AS3 (imul%L0,%2,%1,%0); -}") +}" + [(set_attr "type" "imul")]) (define_insn "umulqihi3" [(set (match_operand:HI 0 "register_operand" "=a") (mult:HI (zero_extend:HI (match_operand:QI 1 "register_operand" "%0")) (zero_extend:HI (match_operand:QI 2 "nonimmediate_operand" "qm"))))] "" - "mul%B0 %2") + "mul%B0 %2" + [(set_attr "type" "imul")]) (define_insn "mulqihi3" [(set (match_operand:HI 0 "register_operand" "=a") (mult:HI (sign_extend:HI (match_operand:QI 1 "register_operand" "%0")) (sign_extend:HI (match_operand:QI 2 "nonimmediate_operand" "qm"))))] "" - "imul%B0 %2") + "imul%B0 %2" + [(set_attr "type" "imul")]) (define_insn "umulsidi3" [(set (match_operand:DI 0 "register_operand" "=A") (mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "%0")) (zero_extend:DI (match_operand:SI 2 "nonimmediate_operand" "rm"))))] "TARGET_WIDE_MULTIPLY" - "mul%L0 %2") + "mul%L0 %2" + [(set_attr "type" "imul")]) (define_insn "mulsidi3" [(set (match_operand:DI 0 "register_operand" "=A") (mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" "%0")) (sign_extend:DI (match_operand:SI 2 "nonimmediate_operand" "rm"))))] "TARGET_WIDE_MULTIPLY" - "imul%L0 %2") + "imul%L0 %2" + [(set_attr "type" "imul")]) (define_insn "umulsi3_highpart" [(set (match_operand:SI 0 "register_operand" "=d") @@ -3426,7 +3461,8 @@ (const_int 32)))) (clobber (match_scratch:SI 3 "=a"))] "TARGET_WIDE_MULTIPLY" - "mul%L0 %2") + "mul%L0 %2" + [(set_attr "type" "imul")]) (define_insn "smulsi3_highpart" [(set (match_operand:SI 0 "register_operand" "=d") @@ -3435,7 +3471,8 @@ (const_int 32)))) (clobber (match_scratch:SI 3 "=a"))] "TARGET_WIDE_MULTIPLY" - "imul%L0 %2") + "imul%L0 %2" + [(set_attr "type" "imul")]) ;; The patterns that match these are at the end of this file. @@ -3474,7 +3511,8 @@ (udiv:QI (match_operand:HI 1 "register_operand" "0") (match_operand:QI 2 "nonimmediate_operand" "qm")))] "" - "div%B0 %2") + "div%B0 %2" + [(set_attr "type" "idiv")]) ;; The patterns that match these are at the end of this file. @@ -3516,7 +3554,8 @@ output_asm_insn (\"cltd\", operands); #endif return AS1 (idiv%L0,%2); -}") +}" + [(set_attr "type" "idiv")]) (define_insn "divmodhi4" [(set (match_operand:HI 0 "register_operand" "=a") @@ -3525,7 +3564,8 @@ (set (match_operand:HI 3 "register_operand" "=&d") (mod:HI (match_dup 1) (match_dup 2)))] "" - "cwtd\;idiv%W0 %2") + "cwtd\;idiv%W0 %2" + [(set_attr "type" "idiv")]) ;; ??? Can we make gcc zero extend operand[0]? (define_insn "udivmodsi4" @@ -3539,7 +3579,8 @@ { output_asm_insn (AS2 (xor%L3,%3,%3), operands); return AS1 (div%L0,%2); -}") +}" + [(set_attr "type" "idiv")]) ;; ??? Can we make gcc zero extend operand[0]? (define_insn "udivmodhi4" @@ -3553,7 +3594,8 @@ { output_asm_insn (AS2 (xor%W0,%3,%3), operands); return AS1 (div%W0,%2); -}") +}" + [(set_attr "type" "idiv")]) /* ;;this should be a valid double division which we may want to add @@ -3565,7 +3607,8 @@ (set (match_operand:SI 3 "register_operand" "=d") (umod:SI (match_dup 1) (match_dup 2)))] "" - "div%L0 %2,%0") + "div%L0 %2,%0" + [(set_attr "type" "idiv")]) */ ;;- and instructions @@ -6870,7 +6913,7 @@ byte_xor_operation: "* return output_387_binary_op (insn, operands);" [(set (attr "type") (cond [(match_operand:DF 3 "is_mul" "") - (const_string "fpop") + (const_string "fpmul") (match_operand:DF 3 "is_div" "") (const_string "fpdiv") ] @@ -6887,7 +6930,7 @@ byte_xor_operation: "* return output_387_binary_op (insn, operands);" [(set (attr "type") (cond [(match_operand:DF 3 "is_mul" "") - (const_string "fpop") + (const_string "fpmul") (match_operand:DF 3 "is_div" "") (const_string "fpdiv") ] @@ -6904,7 +6947,7 @@ byte_xor_operation: "* return output_387_binary_op (insn, operands);" [(set (attr "type") (cond [(match_operand:DF 3 "is_mul" "") - (const_string "fpop") + (const_string "fpmul") (match_operand:DF 3 "is_div" "") (const_string "fpdiv") ] @@ -6921,7 +6964,7 @@ byte_xor_operation: "* return output_387_binary_op (insn, operands);" [(set (attr "type") (cond [(match_operand:DF 3 "is_mul" "") - (const_string "fpop") + (const_string "fpmul") (match_operand:DF 3 "is_div" "") (const_string "fpdiv") ] @@ -6938,7 +6981,7 @@ byte_xor_operation: "* return output_387_binary_op (insn, operands);" [(set (attr "type") (cond [(match_operand:DF 3 "is_mul" "") - (const_string "fpop") + (const_string "fpmul") (match_operand:DF 3 "is_div" "") (const_string "fpdiv") ] @@ -6955,7 +6998,7 @@ byte_xor_operation: "* return output_387_binary_op (insn, operands);" [(set (attr "type") (cond [(match_operand:DF 3 "is_mul" "") - (const_string "fpop") + (const_string "fpmul") (match_operand:DF 3 "is_div" "") (const_string "fpdiv") ] @@ -6973,7 +7016,7 @@ byte_xor_operation: "* return output_387_binary_op (insn, operands);" [(set (attr "type") (cond [(match_operand:DF 3 "is_mul" "") - (const_string "fpop") + (const_string "fpmul") (match_operand:DF 3 "is_div" "") (const_string "fpdiv") ] @@ -6990,7 +7033,7 @@ byte_xor_operation: "* return output_387_binary_op (insn, operands);" [(set (attr "type") (cond [(match_operand:DF 3 "is_mul" "") - (const_string "fpop") + (const_string "fpmul") (match_operand:DF 3 "is_div" "") (const_string "fpdiv") ] @@ -7007,7 +7050,7 @@ byte_xor_operation: "* return output_387_binary_op (insn, operands);" [(set (attr "type") (cond [(match_operand:DF 3 "is_mul" "") - (const_string "fpop") + (const_string "fpmul") (match_operand:DF 3 "is_div" "") (const_string "fpdiv") ] @@ -7025,7 +7068,7 @@ byte_xor_operation: "* return output_387_binary_op (insn, operands);" [(set (attr "type") (cond [(match_operand:DF 3 "is_mul" "") - (const_string "fpop") + (const_string "fpmul") (match_operand:DF 3 "is_div" "") (const_string "fpdiv") ] @@ -7042,7 +7085,7 @@ byte_xor_operation: "* return output_387_binary_op (insn, operands);" [(set (attr "type") (cond [(match_operand:DF 3 "is_mul" "") - (const_string "fpop") + (const_string "fpmul") (match_operand:DF 3 "is_div" "") (const_string "fpdiv") ] @@ -7059,7 +7102,7 @@ byte_xor_operation: "* return output_387_binary_op (insn, operands);" [(set (attr "type") (cond [(match_operand:DF 3 "is_mul" "") - (const_string "fpop") + (const_string "fpmul") (match_operand:DF 3 "is_div" "") (const_string "fpdiv") ] @@ -7076,7 +7119,7 @@ byte_xor_operation: "* return output_387_binary_op (insn, operands);" [(set (attr "type") (cond [(match_operand:DF 3 "is_mul" "") - (const_string "fpop") + (const_string "fpmul") (match_operand:DF 3 "is_div" "") (const_string "fpdiv") ] -- 2.30.2