From 3df50a94902155d7c14961ee8bd58b1fabede33c Mon Sep 17 00:00:00 2001 From: Bin Cheng Date: Thu, 11 May 2017 09:38:22 +0000 Subject: tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move from ... * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move from ... * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here as local function. Include necessary header files. * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete. From-SVN: r247888 --- gcc/tree-ssa-loop-ivopts.c | 57 ---------------------------------------------- 1 file changed, 57 deletions(-) (limited to 'gcc/tree-ssa-loop-ivopts.c') diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index 3dc6988..4365382 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -3898,63 +3898,6 @@ adjust_setup_cost (struct ivopts_data *data, unsigned cost, return cost; } -/* Returns true if multiplying by RATIO is allowed in an address. Test the - validity for a memory reference accessing memory of mode MODE in - address space AS. */ - - -bool -multiplier_allowed_in_address_p (HOST_WIDE_INT ratio, machine_mode mode, - addr_space_t as) -{ -#define MAX_RATIO 128 - unsigned int data_index = (int) as * MAX_MACHINE_MODE + (int) mode; - static vec valid_mult_list; - sbitmap valid_mult; - - if (data_index >= valid_mult_list.length ()) - valid_mult_list.safe_grow_cleared (data_index + 1); - - valid_mult = valid_mult_list[data_index]; - if (!valid_mult) - { - machine_mode address_mode = targetm.addr_space.address_mode (as); - rtx reg1 = gen_raw_REG (address_mode, LAST_VIRTUAL_REGISTER + 1); - rtx reg2 = gen_raw_REG (address_mode, LAST_VIRTUAL_REGISTER + 2); - rtx addr, scaled; - HOST_WIDE_INT i; - - valid_mult = sbitmap_alloc (2 * MAX_RATIO + 1); - bitmap_clear (valid_mult); - scaled = gen_rtx_fmt_ee (MULT, address_mode, reg1, NULL_RTX); - addr = gen_rtx_fmt_ee (PLUS, address_mode, scaled, reg2); - for (i = -MAX_RATIO; i <= MAX_RATIO; i++) - { - XEXP (scaled, 1) = gen_int_mode (i, address_mode); - if (memory_address_addr_space_p (mode, addr, as) - || memory_address_addr_space_p (mode, scaled, as)) - bitmap_set_bit (valid_mult, i + MAX_RATIO); - } - - if (dump_file && (dump_flags & TDF_DETAILS)) - { - fprintf (dump_file, " allowed multipliers:"); - for (i = -MAX_RATIO; i <= MAX_RATIO; i++) - if (bitmap_bit_p (valid_mult, i + MAX_RATIO)) - fprintf (dump_file, " %d", (int) i); - fprintf (dump_file, "\n"); - fprintf (dump_file, "\n"); - } - - valid_mult_list[data_index] = valid_mult; - } - - if (ratio > MAX_RATIO || ratio < -MAX_RATIO) - return false; - - return bitmap_bit_p (valid_mult, ratio + MAX_RATIO); -} - /* Calculate the SPEED or size cost of shiftadd EXPR in MODE. MULT is the EXPR operand holding the shift. COST0 and COST1 are the costs for calculating the operands of EXPR. Returns true if successful, and returns -- cgit v1.1