Subversion Repositories scarts

;; Function foo (foo)

28 registers.

Register 22 used 1 times across 0 insns; set 1 time; user var; dies in 0 places; 1 bytes.

Register 23 used 1 times across 0 insns; set 1 time; user var; dies in 0 places.

Register 24 used 1 times across 0 insns; set 1 time; dies in 0 places.

Register 26 used 2 times across 0 insns; set 2 times; dies in 0 places.

2 basic blocks, 4 edges.

Basic block 0 prev -1, next 1, loop_depth 1, count 0, freq 10000, maybe hot.

Predecessors:  ENTRY [100.0%]  (fallthru,exec) 0 [89.0%]  (dfs_back)

Successors:  1 [11.0%]  (fallthru,loop_exit) 0 [89.0%]  (dfs_back)

Basic block 1 prev 0, next -2, loop_depth 0, count 0, freq 1100, maybe hot.

Predecessors:  0 [11.0%]  (fallthru,loop_exit)

Successors:  EXIT [100.0%]  (fallthru)

GCSE pass 1

Found 0 implicit sets

SET hash table (11 buckets, 0 entries)

CPROP of foo, pass 1: 1152 bytes needed, 0 local const props, 0 local copy props, 0 global const props, 0 global copy props

Expression hash table (11 buckets, 2 entries)

Index 0 (hash value 0)

  (ashift:SI (subreg:SI (reg/v:QI 22 [ b ]) 0)

    (const_int 24 [0x18]))

Index 1 (hash value 3)

  (ashiftrt:SI (reg:SI 26)

    (const_int 24 [0x18]))

PRE GCSE of foo, pass 1: 1652 bytes needed, 0 substs, 0 insns created

Found 0 implicit sets

SET hash table (11 buckets, 0 entries)

CPROP of foo, pass 2: 2812 bytes needed, 0 local const props, 0 local copy props, 0 global const props, 0 global copy props

GCSE of foo: 2 basic blocks, 1 pass, 2196 bytes

;; Processing block from 13 to 0, 8 sets.

try_optimize_cfg iteration 1

(note 2 0 7 NOTE_INSN_DELETED)

(note 7 2 41 0 NOTE_INSN_FUNCTION_BEG)

(note 41 7 12 0 NOTE_INSN_LOOP_BEG)

;; Start of basic block 0, registers live: (nil)

(code_label 12 41 13 0 3 "" [1 uses])

(note 13 12 15 0 [bb 0] NOTE_INSN_BASIC_BLOCK)

(insn 15 13 16 0 (set (reg/v:SI 23 [ a ])

        (asm_operands:SI ("") ("=r") 0 []

             [] ("gcc/testsuite/gcc.c-torture/compile/20000827-1.c") 13)) -1 (nil)

    (nil))

(insn 16 15 18 0 (set (reg/v:QI 22 [ b ])

        (asm_operands:QI ("") ("=r") 0 []

             [] ("gcc/testsuite/gcc.c-torture/compile/20000827-1.c") 13)) -1 (nil)

    (nil))

(insn 18 16 19 0 (set (reg:SI 26)

        (ashift:SI (subreg:SI (reg/v:QI 22 [ b ]) 0)

            (const_int 24 [0x18]))) 32 {ashlsi3} (nil)

    (nil))

(insn 19 18 20 0 (set (reg:SI 26)

        (ashiftrt:SI (reg:SI 26)

            (const_int 24 [0x18]))) 31 {ashrsi3} (nil)

    (nil))

(insn 20 19 21 0 (set (reg:CC 16 cc)

        (compare:CC (reg:SI 26)

            (const_int 0 [0x0]))) 36 {cmpsi} (nil)

    (nil))

(jump_insn 21 20 42 0 (set (pc)

        (if_then_else (eq (reg:CC 16 cc)

                (const_int 0 [0x0]))

            (label_ref 12)

            (pc))) 38 {beq} (nil)

    (expr_list:REG_BR_PROB (const_int 8900 [0x22c4])

        (nil)))

;; End of basic block 0, registers live:

 (nil)

(note 42 21 23 0 NOTE_INSN_LOOP_END)

;; Start of basic block 1, registers live: (nil)

(note 23 42 27 1 [bb 1] NOTE_INSN_BASIC_BLOCK)

(note 27 23 30 1 NOTE_INSN_FUNCTION_END)

(insn 30 27 36 1 (set (reg/i:SI 0 r0 [  ])

        (reg/v:SI 23 [ a ])) 13 {*movsi} (nil)

    (nil))

(insn 36 30 0 1 (use (reg/i:SI 0 r0 [  ])) -1 (nil)

    (nil))

;; End of basic block 1, registers live:

 (nil)