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h8300.c (print_operand): Delete %L support.

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* h8300.c (print_operand): Delete %L support.
* h8300.md (branch_true, branch_false): Use %= with a prefix instead of %L for
local branch labels.
Prevents emitting of "tl###" labels that are not assembler-temporary and thus
confuse gdb.

From-SVN: r20881
This commit is contained in:
Ken Raeburn 1998-07-01 20:16:54 +00:00 committed by Ken Raeburn
parent 370b1b83f1
commit 4c95db6750
4 changed files with 13 additions and 17 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
Wed Jul 1 23:12:58 1998 Ken Raeburn <raeburn@cygnus.com>
* h8300.c (print_operand): Delete %L support.
* h8300.md (branch_true, branch_false): Use %= with a prefix
instead of %L for local branch labels.
Wed Jul 1 21:27:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
* reload1.c (emit_reload_insns): Use proper register classes for

10
gcc/config/h8300/h8300.c
View File

@ -1024,7 +1024,6 @@ const_costs (r, c)
'E' like s but negative.
'F' like t but negative.
'G' constant just the negative
'L' fake label, changed after used twice.
'M' turn a 'M' constant into its negative mod 2.
'P' if operand is incing/decing sp, print .w, otherwise .b.
'R' print operand as a byte:8 address if appropriate, else fall back to
@ -1098,9 +1097,6 @@ print_operand (file, x, code)
rtx x;
int code;
{
/* This is used to general unique labels for the 'L' code. */
static int lab = 1000;
/* This is used for communication between the 'P' and 'U' codes. */
static char *last_p;
@ -1149,12 +1145,6 @@ print_operand (file, x, code)
abort ();
fprintf (file, "#%d", 0xff & (-INTVAL (x)));
break;
case 'L':
/* 'L' must always be used twice in a single pattern. It generates
the same label twice, and then will generate a unique label the
next time it is used. */
asm_fprintf (file, "tl%d", (lab++) / 2);
break;
case 'M':
/* For 3/-3 and 4/-4, the other 2 is handled separately. */
switch (INTVAL (x))

5
gcc/config/h8300/h8300.h
View File

@ -1202,7 +1202,10 @@ readonly_data() \
#define USER_LABEL_PREFIX "_"
/* This is how to output an internal numbered label where
PREFIX is the class of label and NUM is the number within the class. */
PREFIX is the class of label and NUM is the number within the class.
N.B.: The h8300.md branch_true and branch_false patterns also know
how to generate internal labels. */
#define ASM_OUTPUT_INTERNAL_LABEL(FILE, PREFIX, NUM) \
fprintf (FILE, ".%s%d:\n", PREFIX, NUM)

9
gcc/config/h8300/h8300.md
View File

@ -1,5 +1,5 @@
;; GCC machine description for Hitachi H8/300
;; Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
;; Copyright (C) 1992, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
;; Contributed by Steve Chamberlain (sac@cygnus.com),
;; Jim Wilson (wilson@cygnus.com), and Doug Evans (dje@cygnus.com).
@ -1487,7 +1487,7 @@
else if (get_attr_length (insn) == 4)
return \"b%j1 %l0:16\";
else
return \"b%k1 %L0\;jmp @%l0\;%L0:\";
return \"b%k1 .Lh8BR%=\;jmp @%l0\\n.Lh8BR%=:\";
}"
[(set_attr "type" "branch")
(set_attr "cc" "none")])
@ -1516,7 +1516,7 @@
else if (get_attr_length (insn) == 4)
return \"b%k1 %l0:16\";
else
return \"b%j1 %L0\;jmp @%l0\;%L0:\";
return \"b%j1 .Lh8BR%=\;jmp @%l0\\n.Lh8BR%=:\";
}"
[(set_attr "type" "branch")
(set_attr "cc" "none")])
@ -1669,8 +1669,6 @@
""
"
{
extern int optimize;
if (TARGET_H8300
&& GET_CODE (operands[1]) != CONST_INT
&& !optimize)
@ -1753,7 +1751,6 @@
""
"
{
extern int optimize;
if (TARGET_H8300
&& GET_CODE (operands[1]) != CONST_INT
&& !optimize)