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-rw-r--r--gcc/final.c53
1 files changed, 34 insertions, 19 deletions
diff --git a/gcc/final.c b/gcc/final.c
index bf5771aebfb..2adcd46487c 100644
--- a/gcc/final.c
+++ b/gcc/final.c
@@ -1,6 +1,7 @@
/* Convert RTL to assembler code and output it, for GNU compiler.
Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Free Software Foundation, Inc.
This file is part of GCC.
@@ -835,7 +836,7 @@ shorten_branches (rtx first ATTRIBUTE_UNUSED)
max_log = log;
max_skip = LABEL_ALIGN_MAX_SKIP;
}
- next = NEXT_INSN (insn);
+ next = next_nonnote_insn (insn);
/* ADDR_VECs only take room if read-only data goes into the text
section. */
if (JUMP_TABLES_IN_TEXT_SECTION || !HAVE_READONLY_DATA_SECTION)
@@ -1334,7 +1335,8 @@ asm_insn_count (rtx body)
void
final_start_function (rtx first ATTRIBUTE_UNUSED, FILE *file,
- int optimize ATTRIBUTE_UNUSED)
+ /* APPLE LOCAL optimization pragmas 3124235/3420242 */
+ int optimizing ATTRIBUTE_UNUSED)
{
block_depth = 0;
@@ -1501,7 +1503,8 @@ final_end_function (void)
Prescanning is done only on certain machines. */
void
-final (rtx first, FILE *file, int optimize, int prescan)
+/* APPLE LOCAL optimization pragmas 3124235/3420242 */
+final (rtx first, FILE *file, int optimizing, int prescan)
{
rtx insn;
int max_uid = 0;
@@ -1543,7 +1546,8 @@ final (rtx first, FILE *file, int optimize, int prescan)
#ifdef HAVE_cc0
/* If CC tracking across branches is enabled, record the insn which
jumps to each branch only reached from one place. */
- if (optimize && JUMP_P (insn))
+ /* APPLE LOCAL optimization pragmas 3124235/3420242 */
+ if (optimizing && JUMP_P (insn))
{
rtx lab = JUMP_LABEL (insn);
if (lab && LABEL_NUSES (lab) == 1)
@@ -1573,7 +1577,8 @@ final (rtx first, FILE *file, int optimize, int prescan)
insn_current_address = INSN_ADDRESSES (INSN_UID (insn));
#endif /* HAVE_ATTR_length */
- insn = final_scan_insn (insn, file, optimize, prescan, 0, &seen);
+ /* APPLE LOCAL optimization pragmas 3124235/3420242 */
+ insn = final_scan_insn (insn, file, optimizing, prescan, 0, &seen);
}
}
@@ -1670,13 +1675,15 @@ scan_ahead_for_unlikely_executed_note (rtx insn)
first. */
rtx
-final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
+/* APPLE LOCAL optimization pragmas 3124235/3420242 */
+final_scan_insn (rtx insn, FILE *file, int optimizing ATTRIBUTE_UNUSED,
int prescan, int nopeepholes ATTRIBUTE_UNUSED,
int *seen)
{
#ifdef HAVE_cc0
rtx set;
#endif
+ rtx next;
insn_counter++;
@@ -1882,7 +1889,8 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
/* Disabled because some insns set cc_status in the C output code
and NOTICE_UPDATE_CC alone can set incorrect status. */
- if (0 /* optimize && LABEL_NUSES (insn) == 1*/)
+ /* APPLE LOCAL optimization pragmas 3124235/3420242 */
+ if (0 /* optimizing && LABEL_NUSES (insn) == 1*/)
{
rtx jump = LABEL_REFS (insn);
rtx barrier = prev_nonnote_insn (insn);
@@ -1932,10 +1940,11 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
fputs (ASM_APP_OFF, file);
app_on = 0;
}
- if (NEXT_INSN (insn) != 0
- && JUMP_P (NEXT_INSN (insn)))
+
+ next = next_nonnote_insn (insn);
+ if (next != 0 && JUMP_P (next))
{
- rtx nextbody = PATTERN (NEXT_INSN (insn));
+ rtx nextbody = PATTERN (next);
/* If this label is followed by a jump-table,
make sure we put the label in the read-only section. Also
@@ -1956,7 +1965,7 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
targetm.asm_out.function_rodata_section (current_function_decl);
#ifdef ADDR_VEC_ALIGN
- log_align = ADDR_VEC_ALIGN (NEXT_INSN (insn));
+ log_align = ADDR_VEC_ALIGN (next);
#else
log_align = exact_log2 (BIGGEST_ALIGNMENT / BITS_PER_UNIT);
#endif
@@ -1967,7 +1976,7 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
#ifdef ASM_OUTPUT_CASE_LABEL
ASM_OUTPUT_CASE_LABEL (file, "L", CODE_LABEL_NUMBER (insn),
- NEXT_INSN (insn));
+ next);
#else
targetm.asm_out.internal_label (file, "L", CODE_LABEL_NUMBER (insn));
#endif
@@ -2022,6 +2031,11 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
if (prescan > 0)
break;
+ if (! JUMP_TABLES_IN_TEXT_SECTION)
+ targetm.asm_out.function_rodata_section (current_function_decl);
+ else
+ function_section (current_function_decl);
+
if (app_on)
{
fputs (ASM_APP_OFF, file);
@@ -2157,7 +2171,6 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
{
/* A delayed-branch sequence */
int i;
- rtx next;
if (prescan > 0)
break;
@@ -2225,7 +2238,8 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
and the next statement should reexamine the variable
to compute the condition codes. */
- if (optimize)
+ /* APPLE LOCAL optimization pragmas 3124235/3420242 */
+ if (optimizing)
{
if (set
&& GET_CODE (SET_DEST (set)) == CC0
@@ -2383,7 +2397,8 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
#ifdef HAVE_peephole
/* Do machine-specific peephole optimizations if desired. */
- if (optimize && !flag_no_peephole && !nopeepholes)
+ /* APPLE LOCAL optimization pragmas 3124235/3420242 */
+ if (optimizing && !flag_no_peephole && !nopeepholes)
{
rtx next = peephole (insn);
/* When peepholing, if there were notes within the peephole,
@@ -2394,7 +2409,8 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
for (note = NEXT_INSN (insn); note != next;
note = NEXT_INSN (note))
- final_scan_insn (note, file, optimize, prescan, nopeepholes, seen);
+ /* APPLE LOCAL optimization pragmas 3124235/3420242 */
+ final_scan_insn (note, file, optimizing, prescan, nopeepholes, seen);
/* In case this is prescan, put the notes
in proper position for later rescan. */
@@ -2632,11 +2648,10 @@ alter_subreg (rtx *xp)
if (new != 0)
*xp = new;
- else
+ else if (REG_P (y))
{
/* Simplify_subreg can't handle some REG cases, but we have to. */
unsigned int regno = subreg_regno (x);
- gcc_assert (REG_P (y));
*xp = gen_rtx_REG_offset (y, GET_MODE (x), regno, SUBREG_BYTE (x));
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-08 20:56:49 +0000