Hi,
This patch moves sh to TARGET_MOVE_BY_PIECES_PROFITABLE_P.
I tried building a compiler and there were no fires, but otherwise,
I have no reasonable way to test this patch. If one of the sh
maintainers wants to pick it up and test it, that would be much
appreciated.
Thanks,
James
---
gcc/
2014-10-28 James Greenhalgh <james.greenha...@arm.com>
* config/sh/sh.c (TARGET_MOVE_BY_PIECES_PROFITABLE_P): New.
(sh_move_by_pieces_profitable_p): Likewise.
* config/sh/sh.h (MOVE_BY_PIECES_P): Remove.
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index 1662b55..0b907b9 100644
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -338,6 +338,9 @@ static void sh_conditional_register_usage (void);
static bool sh_legitimate_constant_p (enum machine_mode, rtx);
static int mov_insn_size (enum machine_mode, bool);
static int mov_insn_alignment_mask (enum machine_mode, bool);
+static bool sh_move_by_pieces_profitable_p (unsigned int size,
+ unsigned int align,
+ bool speed_p);
static bool sequence_insn_p (rtx_insn *);
static void sh_canonicalize_comparison (int *, rtx *, rtx *, bool);
static void sh_canonicalize_comparison (enum rtx_code&, rtx&, rtx&,
@@ -640,6 +643,9 @@ static const struct attribute_spec sh_attribute_table[] =
#undef TARGET_FIXED_CONDITION_CODE_REGS
#define TARGET_FIXED_CONDITION_CODE_REGS sh_fixed_condition_code_regs
+#undef TARGET_MOVE_BY_PIECES_PROFITABLE_P
+#define TARGET_MOVE_BY_PIECES_PROFITABLE_P sh_move_by_pieces_profitable_p
+
/* Machine-specific symbol_ref flags. */
#define SYMBOL_FLAG_FUNCVEC_FUNCTION (SYMBOL_FLAG_MACH_DEP << 0)
@@ -13674,4 +13680,15 @@ sh_mode_priority (int entity ATTRIBUTE_UNUSED, int n)
return ((TARGET_FPU_SINGLE != 0) ^ (n) ? FP_MODE_SINGLE : FP_MODE_DOUBLE);
}
+/* Implement TARGET_MOVE_BY_PIECES_PROFITABLE_P. */
+
+static bool
+sh_move_by_pieces_profitable_p (unsigned int size,
+ unsigned int align,
+ bool speed_p)
+{
+ return move_by_pieces_ninsns (size, align, MOVE_MAX_PIECES + 1)
+ < (!speed_p ? 2 : (align >= 32) ? 16 : 2);
+}
+
#include "gt-sh.h"
diff --git a/gcc/config/sh/sh.h b/gcc/config/sh/sh.h
index 5b8b4a1..e115b1e 100644
--- a/gcc/config/sh/sh.h
+++ b/gcc/config/sh/sh.h
@@ -1591,10 +1591,6 @@ struct sh_args {
#define USE_STORE_PRE_DECREMENT(mode) ((mode == SImode || mode == DImode) \
? 0 : TARGET_SH1)
-#define MOVE_BY_PIECES_P(SIZE, ALIGN) \
- (move_by_pieces_ninsns (SIZE, ALIGN, MOVE_MAX_PIECES + 1) \
- < (optimize_size ? 2 : ((ALIGN >= 32) ? 16 : 2)))
-
#define STORE_BY_PIECES_P(SIZE, ALIGN) \
(move_by_pieces_ninsns (SIZE, ALIGN, STORE_MAX_PIECES + 1) \
< (optimize_size ? 2 : ((ALIGN >= 32) ? 16 : 2)))
