cfgexpand.c (expand_gimple_cond): Check ccmp.

2014-11-17  Zhenqiang Chen  <zhenqiang.chen@linaro.org>

	* cfgexpand.c (expand_gimple_cond): Check ccmp.
	* expmed.c (emit_cstore): Make it global.
	* expmed.h: #include "insn-codes.h"
	(emit_cstore): New prototype.
	* expr.c (expand_operands): Make it global.
	* expr.h (expand_operands): New prototype.
	* optabs.c (get_rtx_code): Make it global.
	* optabs.h (get_rtx_code): New prototype.

From-SVN: r217640
This commit is contained in:
Zhenqiang Chen 2014-11-17 05:52:26 +00:00 committed by Zhenqiang Chen
parent 2e0f134153
commit 2d52a3a19d
8 changed files with 37 additions and 9 deletions

View File

@ -1,4 +1,15 @@
2014-11-17 Zhenqiang Chen <zhenqiang.chen@linaor.org>
2014-11-17 Zhenqiang Chen <zhenqiang.chen@linaro.org>
* cfgexpand.c (expand_gimple_cond): Check ccmp.
* expmed.c (emit_cstore): Make it global.
* expmed.h: #include "insn-codes.h"
(emit_cstore): New prototype.
* expr.c (expand_operands): Make it global.
* expr.h (expand_operands): New prototype.
* optabs.c (get_rtx_code): Make it global.
* optabs.h (get_rtx_code): New prototype.
2014-11-17 Zhenqiang Chen <zhenqiang.chen@linaro.org>
* target.def (gen_ccmp_first, gen_ccmp_first): Add two new hooks.
* doc/tm.texi.in (TARGET_GEN_CCMP_FIRST, TARGET_GEN_CCMP_NEXT): New.

View File

@ -2129,9 +2129,10 @@ expand_gimple_cond (basic_block bb, gimple stmt)
op0 = gimple_assign_rhs1 (second);
op1 = gimple_assign_rhs2 (second);
}
/* If jumps are cheap turn some more codes into
jumpy sequences. */
else if (BRANCH_COST (optimize_insn_for_speed_p (), false) < 4)
/* If jumps are cheap and the target does not support conditional
compare, turn some more codes into jumpy sequences. */
else if (BRANCH_COST (optimize_insn_for_speed_p (), false) < 4
&& targetm.gen_ccmp_first == NULL)
{
if ((code2 == BIT_AND_EXPR
&& TYPE_PRECISION (TREE_TYPE (op0)) == 1

View File

@ -5109,7 +5109,7 @@ expand_and (machine_mode mode, rtx op0, rtx op1, rtx target)
}
/* Helper function for emit_store_flag. */
static rtx
rtx
emit_cstore (rtx target, enum insn_code icode, enum rtx_code code,
machine_mode mode, machine_mode compare_mode,
int unsignedp, rtx x, rtx y, int normalizep,

View File

@ -20,6 +20,8 @@ along with GCC; see the file COPYING3. If not see
#ifndef EXPMED_H
#define EXPMED_H 1
#include "insn-codes.h"
enum alg_code {
alg_unknown,
alg_zero,
@ -665,4 +667,8 @@ convert_cost (machine_mode to_mode, machine_mode from_mode,
}
extern int mult_by_coeff_cost (HOST_WIDE_INT, machine_mode, bool);
extern rtx emit_cstore (rtx target, enum insn_code icode, enum rtx_code code,
enum machine_mode mode, enum machine_mode compare_mode,
int unsignedp, rtx x, rtx y, int normalizep,
enum machine_mode target_mode);
#endif

View File

@ -159,8 +159,6 @@ static rtx store_field (rtx, HOST_WIDE_INT, HOST_WIDE_INT,
static unsigned HOST_WIDE_INT highest_pow2_factor_for_target (const_tree, const_tree);
static int is_aligning_offset (const_tree, const_tree);
static void expand_operands (tree, tree, rtx, rtx*, rtx*,
enum expand_modifier);
static rtx reduce_to_bit_field_precision (rtx, rtx, tree);
static rtx do_store_flag (sepops, rtx, machine_mode);
#ifdef PUSH_ROUNDING
@ -7573,7 +7571,7 @@ convert_tree_comp_to_rtx (enum tree_code tcode, int unsignedp)
The value may be stored in TARGET if TARGET is nonzero. The
MODIFIER argument is as documented by expand_expr. */
static void
void
expand_operands (tree exp0, tree exp1, rtx target, rtx *op0, rtx *op1,
enum expand_modifier modifier)
{

View File

@ -619,4 +619,6 @@ extern bool categorize_ctor_elements (const_tree, HOST_WIDE_INT *,
by EXP. This does not include any offset in DECL_FIELD_BIT_OFFSET. */
extern tree component_ref_field_offset (tree);
extern void expand_operands (tree, tree, rtx, rtx*, rtx*,
enum expand_modifier);
#endif /* GCC_EXPR_H */

View File

@ -6454,7 +6454,7 @@ gen_cond_trap (enum rtx_code code, rtx op1, rtx op2, rtx tcode)
/* Return rtx code for TCODE. Use UNSIGNEDP to select signed
or unsigned operation code. */
static enum rtx_code
enum rtx_code
get_rtx_code (enum tree_code tcode, bool unsignedp)
{
enum rtx_code code;
@ -6504,6 +6504,14 @@ get_rtx_code (enum tree_code tcode, bool unsignedp)
code = LTGT;
break;
case BIT_AND_EXPR:
code = AND;
break;
case BIT_IOR_EXPR:
code = IOR;
break;
default:
gcc_unreachable ();
}

View File

@ -566,4 +566,6 @@ extern bool get_best_mem_extraction_insn (extraction_insn *,
extern bool lshift_cheap_p (bool);
extern enum rtx_code get_rtx_code (enum tree_code tcode, bool unsignedp);
#endif /* GCC_OPTABS_H */