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re PR target/53250 ([SH] ICE: in change_address_1, at emit-rtl.c:2018) 

PR target/53250
	* config/i386/i386.c (ix86_set_reg_reg_cost): New function.
	(ix86_rtx_costs): Handle SET.

From-SVN: r187289
This commit is contained in:
Uros Bizjak 2012-05-08 18:01:54 +02:00
parent bcc708fcdc
commit 3f3dcbb393
2 changed files with 62 additions and 2 deletions
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9
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2012-05-08 Uros Bizjak <ubizjak@gmail.com>
PR target/53250
* config/i386/i386.c (ix86_set_reg_reg_cost): New function.
(ix86_rtx_costs): Handle SET.
2012-05-08 Michael Matz <matz@suse.de>
* basic-block.h (struct rtl_bb_info): Remove visited member and
@ -15,8 +21,7 @@
(fixup_fallthru_exit_predecessor): Ditto.
(cfg_layout_duplicate_bb): Ditto.
* combine.c (update_cfg_for_uncondjump): Adjust.
* bb-reorder.c (struct bbro_basic_block_data_def): Add visited
member.
* bb-reorder.c (struct bbro_basic_block_data_def): Add visited member.
(bb_visited_trace): New accessor.
(mark_bb_visited): Move in front.
(rotate_loop): Use bb_visited_trace.

55
gcc/config/i386/i386.c
View File

@ -31861,6 +31861,52 @@ ix86_modes_tieable_p (enum machine_mode mode1, enum machine_mode mode2)
return false;
}
/* Return the cost of moving between two registers of mode MODE. */
static int
ix86_set_reg_reg_cost (enum machine_mode mode)
{
unsigned int units = UNITS_PER_WORD;
switch (GET_MODE_CLASS (mode))
{
default:
break;
case MODE_CC:
units = GET_MODE_SIZE (CCmode);
break;
case MODE_FLOAT:
if ((TARGET_SSE2 && mode == TFmode)
|| (TARGET_80387 && mode == XFmode)
|| ((TARGET_80387 || TARGET_SSE2) && mode == DFmode)
|| ((TARGET_80387 || TARGET_SSE) && mode == SFmode))
units = GET_MODE_SIZE (mode);
break;
case MODE_COMPLEX_FLOAT:
if ((TARGET_SSE2 && mode == TCmode)
|| (TARGET_80387 && mode == XCmode)
|| ((TARGET_80387 || TARGET_SSE2) && mode == DCmode)
|| ((TARGET_80387 || TARGET_SSE) && mode == SCmode))
units = GET_MODE_SIZE (mode);
break;
case MODE_VECTOR_INT:
case MODE_VECTOR_FLOAT:
if ((TARGET_AVX && VALID_AVX256_REG_MODE (mode))
|| (TARGET_SSE2 && VALID_SSE2_REG_MODE (mode))
|| (TARGET_SSE && VALID_SSE_REG_MODE (mode))
|| (TARGET_MMX && VALID_MMX_REG_MODE (mode)))
units = GET_MODE_SIZE (mode);
}
/* Return the cost of moving between two registers of mode MODE,
assuming that the move will be in pieces of at most UNITS bytes. */
return COSTS_N_INSNS ((GET_MODE_SIZE (mode) + units - 1) / units);
}
/* Compute a (partial) cost for rtx X. Return true if the complete
cost has been computed, and false if subexpressions should be
scanned. In either case, *TOTAL contains the cost result. */
@ -31875,6 +31921,15 @@ ix86_rtx_costs (rtx x, int code, int outer_code_i, int opno, int *total,
switch (code)
{
case SET:
if (register_operand (SET_DEST (x), VOIDmode)
&& reg_or_0_operand (SET_SRC (x), VOIDmode))
{
*total = ix86_set_reg_reg_cost (GET_MODE (SET_DEST (x)));
return true;
}
return false;
case CONST_INT:
case CONST:
case LABEL_REF: