From 331c99702d4a73b7627097ecc6fb2dd483ed5397 Mon Sep 17 00:00:00 2001
From: rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 14 May 2002 18:17:56 +0000
Subject: [PATCH] * config/i386/i386.c (ix86_save_reg): Make regno
unsigned. (ix86_safe_length, ix86_safe_length_prefix,
ix86_safe_memory): Kill.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53464 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 6 ++-
gcc/config/i386/i386.c | 98 ++++++++++++++----------------------------
2 files changed, 38 insertions(+), 66 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 66186b54efdd..3262b5d8220d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,6 +1,10 @@
+2002-05-14 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_save_reg): Make regno unsigned.
+ (ix86_safe_length, ix86_safe_length_prefix, ix86_safe_memory): Kill.
+
2002-05-14 Neil Booth <neil@daikokuya.demon.co.uk>
-config:
* arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define.
(CPP_SPEC): Update.
(CPP_APCS_PC_SPEC, CPP_APCS_PC_DEFAULT_SPEC,
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 245ed77b4acb..9c328b72fb23 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -44,35 +44,6 @@ Boston, MA 02111-1307, USA. */
#include "target-def.h"
#include "langhooks.h"
-static int ia32_use_dfa_pipeline_interface PARAMS ((void));
-static int ia32_multipass_dfa_lookahead PARAMS ((void));
-
-#undef TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE
-#define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE ia32_use_dfa_pipeline_interface
-#undef TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD
-#define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD ia32_multipass_dfa_lookahead
-
-static int
-ia32_use_dfa_pipeline_interface ()
-{
- if (ix86_cpu == PROCESSOR_PENTIUM)
- return 1;
- return 0;
-}
-
-/* How many alternative schedules to try. This should be as wide as the
- scheduling freedom in the DFA, but no wider. Making this value too
- large results extra work for the scheduler. */
-
-static int
-ia32_multipass_dfa_lookahead ()
-{
- if (ix86_cpu == PROCESSOR_PENTIUM)
- return 2;
- else
- return 0;
-}
-
#ifndef CHECK_STACK_LIMIT
#define CHECK_STACK_LIMIT (-1)
#endif
@@ -686,8 +657,6 @@ static rtx gen_push PARAMS ((rtx));
static int memory_address_length PARAMS ((rtx addr));
static int ix86_flags_dependant PARAMS ((rtx, rtx, enum attr_type));
static int ix86_agi_dependant PARAMS ((rtx, rtx, enum attr_type));
-static int ix86_safe_length PARAMS ((rtx));
-static enum attr_memory ix86_safe_memory PARAMS ((rtx));
static enum attr_ppro_uops ix86_safe_ppro_uops PARAMS ((rtx));
static void ix86_dump_ppro_packet PARAMS ((FILE *));
static void ix86_reorder_insn PARAMS ((rtx *, rtx *));
@@ -695,7 +664,6 @@ static void ix86_init_machine_status PARAMS ((struct function *));
static void ix86_mark_machine_status PARAMS ((struct function *));
static void ix86_free_machine_status PARAMS ((struct function *));
static int ix86_split_to_parts PARAMS ((rtx, rtx *, enum machine_mode));
-static int ix86_safe_length_prefix PARAMS ((rtx));
static int ix86_nsaved_regs PARAMS ((void));
static void ix86_emit_save_regs PARAMS ((void));
static void ix86_emit_save_regs_using_mov PARAMS ((rtx, HOST_WIDE_INT));
@@ -711,6 +679,8 @@ static int ix86_adjust_cost PARAMS ((rtx, rtx, rtx, int));
static void ix86_sched_init PARAMS ((FILE *, int, int));
static int ix86_sched_reorder PARAMS ((FILE *, int, rtx *, int *, int));
static int ix86_variable_issue PARAMS ((FILE *, int, rtx, int));
+static int ia32_use_dfa_pipeline_interface PARAMS ((void));
+static int ia32_multipass_dfa_lookahead PARAMS ((void));
static void ix86_init_mmx_sse_builtins PARAMS ((void));
struct ix86_address
@@ -744,7 +714,7 @@ static int ix86_fp_comparison_arithmetics_cost PARAMS ((enum rtx_code code));
static int ix86_fp_comparison_fcomi_cost PARAMS ((enum rtx_code code));
static int ix86_fp_comparison_sahf_cost PARAMS ((enum rtx_code code));
static int ix86_fp_comparison_cost PARAMS ((enum rtx_code code));
-static int ix86_save_reg PARAMS ((int, int));
+static int ix86_save_reg PARAMS ((unsigned int, int));
static void ix86_compute_frame_layout PARAMS ((struct ix86_frame *));
static int ix86_comp_type_attributes PARAMS ((tree, tree));
const struct attribute_spec ix86_attribute_table[];
@@ -845,6 +815,12 @@ static enum x86_64_reg_class merge_classes PARAMS ((enum x86_64_reg_class,
#define TARGET_SCHED_INIT ix86_sched_init
#undef TARGET_SCHED_REORDER
#define TARGET_SCHED_REORDER ix86_sched_reorder
+#undef TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE
+#define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE \
+ ia32_use_dfa_pipeline_interface
+#undef TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD
+#define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD \
+ ia32_multipass_dfa_lookahead
struct gcc_target targetm = TARGET_INITIALIZER;
@@ -3914,7 +3890,7 @@ gen_push (arg)
/* Return 1 if we need to save REGNO. */
static int
ix86_save_reg (regno, maybe_eh_return)
- int regno;
+ unsigned int regno;
int maybe_eh_return;
{
if (regno == PIC_OFFSET_TABLE_REGNUM
@@ -3931,7 +3907,7 @@ ix86_save_reg (regno, maybe_eh_return)
unsigned test = EH_RETURN_DATA_REGNO (i);
if (test == INVALID_REGNUM)
break;
- if (test == (unsigned) regno)
+ if (test == regno)
return 1;
}
}
@@ -10302,36 +10278,6 @@ static union
} ppro;
} ix86_sched_data;
-static int
-ix86_safe_length (insn)
- rtx insn;
-{
- if (recog_memoized (insn) >= 0)
- return get_attr_length (insn);
- else
- return 128;
-}
-
-static int
-ix86_safe_length_prefix (insn)
- rtx insn;
-{
- if (recog_memoized (insn) >= 0)
- return get_attr_length (insn);
- else
- return 0;
-}
-
-static enum attr_memory
-ix86_safe_memory (insn)
- rtx insn;
-{
- if (recog_memoized (insn) >= 0)
- return get_attr_memory (insn);
- else
- return MEMORY_UNKNOWN;
-}
-
static enum attr_ppro_uops
ix86_safe_ppro_uops (insn)
rtx insn;
@@ -10562,6 +10508,28 @@ ix86_variable_issue (dump, sched_verbose, insn, can_issue_more)
return --ix86_sched_data.ppro.issued_this_cycle;
}
}
+
+static int
+ia32_use_dfa_pipeline_interface ()
+{
+ if (ix86_cpu == PROCESSOR_PENTIUM)
+ return 1;
+ return 0;
+}
+
+/* How many alternative schedules to try. This should be as wide as the
+ scheduling freedom in the DFA, but no wider. Making this value too
+ large results extra work for the scheduler. */
+
+static int
+ia32_multipass_dfa_lookahead ()
+{
+ if (ix86_cpu == PROCESSOR_PENTIUM)
+ return 2;
+ else
+ return 0;
+}
+
/* Walk through INSNS and look for MEM references whose address is DSTREG or
SRCREG and set the memory attribute to those of DSTREF and SRCREF, as
--
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