#include "insn-attr.h"
#include "toplev.h"
#include "recog.h"
-#include "c-pragma.h"
#include "integrate.h"
#include "dwarf2.h"
#include "tm_p.h"
static bool sh_function_ok_for_sibcall (tree, tree);
static bool sh_cannot_modify_jumps_p (void);
-static int sh_target_reg_class (void);
+static enum reg_class sh_target_reg_class (void);
static bool sh_optimize_target_register_callee_saved (bool);
static bool sh_ms_bitfield_layout_p (const_tree);
static int sh_address_cost (rtx, bool);
static int sh_pr_n_sets (void);
static rtx sh_allocate_initial_value (rtx);
+static rtx sh_legitimize_address (rtx, rtx, enum machine_mode);
static int shmedia_target_regs_stack_space (HARD_REG_SET *);
static int shmedia_reserve_space_for_target_registers_p (int, HARD_REG_SET *);
static int shmedia_target_regs_stack_adjust (HARD_REG_SET *);
#undef TARGET_SCHED_INIT
#define TARGET_SCHED_INIT sh_md_init
+#undef TARGET_LEGITIMIZE_ADDRESS
+#define TARGET_LEGITIMIZE_ADDRESS sh_legitimize_address
+
#undef TARGET_CANNOT_MODIFY_JUMPS_P
#define TARGET_CANNOT_MODIFY_JUMPS_P sh_cannot_modify_jumps_p
#undef TARGET_BRANCH_TARGET_REGISTER_CLASS
if ((mode == SImode || mode == DImode)
&& flag_pic
&& ! ((mode == Pmode || mode == ptr_mode)
- && tls_symbolic_operand (operands[1], Pmode) != 0))
+ && tls_symbolic_operand (operands[1], Pmode) != TLS_MODEL_NONE))
{
rtx temp;
if (SYMBOLIC_CONST_P (operands[1]))
op1 = operands[1];
if (GET_CODE (op1) == CONST
&& GET_CODE (XEXP (op1, 0)) == PLUS
- && tls_symbolic_operand (XEXP (XEXP (op1, 0), 0), Pmode))
+ && (tls_symbolic_operand (XEXP (XEXP (op1, 0), 0), Pmode)
+ != TLS_MODEL_NONE))
{
opc = XEXP (XEXP (op1, 0), 1);
op1 = XEXP (XEXP (op1, 0), 0);
else
opc = NULL_RTX;
- if ((tls_kind = tls_symbolic_operand (op1, Pmode)))
+ if ((tls_kind = tls_symbolic_operand (op1, Pmode)) != TLS_MODEL_NONE)
{
rtx tga_op1, tga_ret, tmp, tmp2;
shift_insns_rtx (rtx insn)
{
rtx set_src = SET_SRC (XVECEXP (PATTERN (insn), 0, 0));
- int shift_count = INTVAL (XEXP (set_src, 1));
+ int shift_count = INTVAL (XEXP (set_src, 1)) & 31;
enum rtx_code shift_code = GET_CODE (set_src);
switch (shift_code)
if (GET_CODE (XEXP (x, 1)) != CONST_INT)
return SH_DYNAMIC_SHIFT_COST;
- value = INTVAL (XEXP (x, 1));
+ /* Otherwise, return the true cost in instructions. Cope with out of range
+ shift counts more or less arbitrarily. */
+ value = INTVAL (XEXP (x, 1)) & 31;
- /* Otherwise, return the true cost in instructions. */
if (GET_CODE (x) == ASHIFTRT)
{
int cost = ashiftrt_insns[value];
int max, i;
/* Truncate the shift count in case it is out of bounds. */
- value = value & 0x1f;
+ value = value & 31;
if (value == 31)
{
int
sh_dynamicalize_shift_p (rtx count)
{
- return shift_insns[INTVAL (count)] > 1 + SH_DYNAMIC_SHIFT_COST;
+ return shift_insns[INTVAL (count) & 31] > 1 + SH_DYNAMIC_SHIFT_COST;
}
/* Try to find a good way to implement the combiner pattern
shl_and_scr_length (rtx insn)
{
rtx set_src = SET_SRC (XVECEXP (PATTERN (insn), 0, 0));
- int len = shift_insns[INTVAL (XEXP (set_src, 1))];
+ int len = shift_insns[INTVAL (XEXP (set_src, 1)) & 31];
rtx op = XEXP (set_src, 0);
- len += shift_insns[INTVAL (XEXP (op, 1))] + 1;
+ len += shift_insns[INTVAL (XEXP (op, 1)) & 31] + 1;
op = XEXP (XEXP (op, 0), 0);
- return len + shift_insns[INTVAL (XEXP (op, 1))];
+ return len + shift_insns[INTVAL (XEXP (op, 1)) & 31];
}
/* Generate rtl for instructions for which shl_and_kind advised a particular
/* If we are not optimizing, then there may not be
a note. */
if (note)
- PUT_MODE (note, REG_INC);
+ PUT_REG_NOTE_KIND (note, REG_INC);
*last_float_addr = r0_inc_rtx;
}
tmp_pnt = schedule.temps;
for (entry = &schedule.entries[1]; entry->mode != VOIDmode; entry++)
{
- enum machine_mode mode = entry->mode;
+ enum machine_mode mode = (enum machine_mode) entry->mode;
unsigned int reg = entry->reg;
rtx reg_rtx, mem_rtx, pre_dec = NULL_RTX;
rtx orig_reg_rtx;
stack_pointer_rtx,
GEN_INT (offset)));
- GO_IF_LEGITIMATE_ADDRESS (mode, XEXP (mem_rtx, 0), try_pre_dec);
-
- gcc_assert (r0);
- mem_rtx = NULL_RTX;
-
- try_pre_dec:
- do
- if (HAVE_PRE_DECREMENT
- && (offset_in_r0 - offset == GET_MODE_SIZE (mode)
- || mem_rtx == NULL_RTX
- || reg == PR_REG || SPECIAL_REGISTER_P (reg)))
- {
- pre_dec = gen_frame_mem (mode, gen_rtx_PRE_DEC (Pmode, r0));
+ if (!memory_address_p (mode, XEXP (mem_rtx, 0)))
+ {
+ gcc_assert (r0);
+ mem_rtx = NULL_RTX;
+ }
- GO_IF_LEGITIMATE_ADDRESS (mode, XEXP (pre_dec, 0),
- pre_dec_ok);
+ if (HAVE_PRE_DECREMENT
+ && (offset_in_r0 - offset == GET_MODE_SIZE (mode)
+ || mem_rtx == NULL_RTX
+ || reg == PR_REG || SPECIAL_REGISTER_P (reg)))
+ {
+ pre_dec = gen_frame_mem (mode, gen_rtx_PRE_DEC (Pmode, r0));
+ if (!memory_address_p (mode, XEXP (pre_dec, 0)))
pre_dec = NULL_RTX;
-
- break;
-
- pre_dec_ok:
- mem_rtx = NULL_RTX;
- offset += GET_MODE_SIZE (mode);
- }
- while (0);
+ else
+ {
+ mem_rtx = NULL_RTX;
+ offset += GET_MODE_SIZE (mode);
+ }
+ }
if (mem_rtx != NULL_RTX)
goto addr_ok;
tmp_pnt = schedule.temps;
for (; entry->mode != VOIDmode; entry--)
{
- enum machine_mode mode = entry->mode;
+ enum machine_mode mode = (enum machine_mode) entry->mode;
int reg = entry->reg;
rtx reg_rtx, mem_rtx, post_inc = NULL_RTX, insn;
stack_pointer_rtx,
GEN_INT (offset)));
- GO_IF_LEGITIMATE_ADDRESS (mode, XEXP (mem_rtx, 0), try_post_inc);
-
- mem_rtx = NULL_RTX;
+ if (!memory_address_p (mode, XEXP (mem_rtx, 0)))
+ mem_rtx = NULL_RTX;
- try_post_inc:
- do
- if (HAVE_POST_INCREMENT
- && (offset == offset_in_r0
- || (offset + GET_MODE_SIZE (mode) != d + d_rounding
- && mem_rtx == NULL_RTX)
- || reg == PR_REG || SPECIAL_REGISTER_P (reg)))
- {
- post_inc = gen_frame_mem (mode, gen_rtx_POST_INC (Pmode, r0));
-
- GO_IF_LEGITIMATE_ADDRESS (mode, XEXP (post_inc, 0),
- post_inc_ok);
+ if (HAVE_POST_INCREMENT
+ && (offset == offset_in_r0
+ || (offset + GET_MODE_SIZE (mode) != d + d_rounding
+ && mem_rtx == NULL_RTX)
+ || reg == PR_REG || SPECIAL_REGISTER_P (reg)))
+ {
+ post_inc = gen_frame_mem (mode, gen_rtx_POST_INC (Pmode, r0));
+ if (!memory_address_p (mode, XEXP (post_inc, 0)))
post_inc = NULL_RTX;
-
- break;
-
- post_inc_ok:
+ else
mem_rtx = NULL_RTX;
- }
- while (0);
+ }
if (mem_rtx != NULL_RTX)
goto addr_ok;
}
/* Return the TLS type for TLS symbols, 0 for otherwise. */
-int
+enum tls_model
tls_symbolic_operand (rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
{
if (GET_CODE (op) != SYMBOL_REF)
- return 0;
+ return TLS_MODEL_NONE;
return SYMBOL_REF_TLS_MODEL (op);
}
\f
void
fpscr_set_from_mem (int mode, HARD_REG_SET regs_live)
{
- enum attr_fp_mode fp_mode = mode;
+ enum attr_fp_mode fp_mode = (enum attr_fp_mode) mode;
enum attr_fp_mode norm_mode = ACTUAL_NORMAL_MODE (FP_MODE);
rtx addr_reg;
legitimize_pic_address (rtx orig, enum machine_mode mode ATTRIBUTE_UNUSED,
rtx reg)
{
- if (tls_symbolic_operand (orig, Pmode))
+ if (tls_symbolic_operand (orig, Pmode) != TLS_MODEL_NONE)
return orig;
if (GET_CODE (orig) == LABEL_REF
return orig;
}
+/* Try machine-dependent ways of modifying an illegitimate address
+ to be legitimate. If we find one, return the new, valid address.
+ Otherwise, return X.
+
+ For the SH, if X is almost suitable for indexing, but the offset is
+ out of range, convert it into a normal form so that CSE has a chance
+ of reducing the number of address registers used. */
+
+static rtx
+sh_legitimize_address (rtx x, rtx oldx, enum machine_mode mode)
+{
+ if (flag_pic)
+ x = legitimize_pic_address (oldx, mode, NULL_RTX);
+
+ if (GET_CODE (x) == PLUS
+ && (GET_MODE_SIZE (mode) == 4
+ || GET_MODE_SIZE (mode) == 8)
+ && GET_CODE (XEXP (x, 1)) == CONST_INT
+ && BASE_REGISTER_RTX_P (XEXP (x, 0))
+ && ! TARGET_SHMEDIA
+ && ! ((TARGET_SH4 || TARGET_SH2A_DOUBLE) && mode == DFmode)
+ && ! (TARGET_SH2E && mode == SFmode))
+ {
+ rtx index_rtx = XEXP (x, 1);
+ HOST_WIDE_INT offset = INTVAL (index_rtx), offset_base;
+ rtx sum;
+
+ /* On rare occasions, we might get an unaligned pointer
+ that is indexed in a way to give an aligned address.
+ Therefore, keep the lower two bits in offset_base. */
+ /* Instead of offset_base 128..131 use 124..127, so that
+ simple add suffices. */
+ if (offset > 127)
+ offset_base = ((offset + 4) & ~60) - 4;
+ else
+ offset_base = offset & ~60;
+
+ /* Sometimes the normal form does not suit DImode. We
+ could avoid that by using smaller ranges, but that
+ would give less optimized code when SImode is
+ prevalent. */
+ if (GET_MODE_SIZE (mode) + offset - offset_base <= 64)
+ {
+ sum = expand_binop (Pmode, add_optab, XEXP (x, 0),
+ GEN_INT (offset_base), NULL_RTX, 0,
+ OPTAB_LIB_WIDEN);
+
+ return gen_rtx_PLUS (Pmode, sum, GEN_INT (offset - offset_base));
+ }
+ }
+
+ return x;
+}
+
/* Mark the use of a constant in the literal table. If the constant
has multiple labels, make it unique. */
static rtx
return (TARGET_SHMEDIA && (reload_in_progress || reload_completed));
}
-static int
+static enum reg_class
sh_target_reg_class (void)
{
return TARGET_SHMEDIA ? TARGET_REGS : NO_REGS;
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