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toplev.c (parse_options_and_default_flags): Don't set flag_reorder_blocks for -Os.

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* toplev.c (parse_options_and_default_flags): Don't set
        flag_reorder_blocks for -Os.

        * config/avr/avr.c (avr_optimization_options): Remove.
        * config/avr/avr.h (OPTIMIZATION_OPTIONS): Remove.
        * config/m68hc11/m68hc11.c (m68hc11_optimization_options): Remove.
        * config/m68hc11/m68hc11.h (OPTIMIZATION_OPTIONS): Remove.

From-SVN: r55958
This commit is contained in:
Richard Henderson 2002-08-01 16:53:58 -07:00 • committed by Richard Henderson
parent 4e4d733e19
commit de273d3f1c
6 changed files with 19 additions and 32 deletions
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10
gcc/ChangeLog
View file

@ -1,3 +1,13 @@
2002-08-01 Richard Henderson <rth@redhat.com>
* toplev.c (parse_options_and_default_flags): Don't set
flag_reorder_blocks for -Os.
* config/avr/avr.c (avr_optimization_options): Remove.
* config/avr/avr.h (OPTIMIZATION_OPTIONS): Remove.
* config/m68hc11/m68hc11.c (m68hc11_optimization_options): Remove.
* config/m68hc11/m68hc11.h (OPTIMIZATION_OPTIONS): Remove.
2002-08-01 H.J. Lu <hjl@gnu.org>
Richard Henderson <rth@redhat.com>

10
gcc/config/avr/avr.c
View file

@ -258,16 +258,6 @@ avr_override_options ()
}
void
avr_optimization_options (level, size)
int level ATTRIBUTE_UNUSED;
int size;
{
if (size)
flag_reorder_blocks = 0;
}
/* Initialize TMP_REG_RTX and ZERO_REG_RTX */
void
avr_init_once ()

3
gcc/config/avr/avr.h
View file

@ -132,9 +132,6 @@ extern int avr_asm_only_p;
Don't use this macro to turn on various extra optimizations for
`-O'. That is what `OPTIMIZATION_OPTIONS' is for. */
#define OPTIMIZATION_OPTIONS(LEVEL, SIZE) \
avr_optimization_options (LEVEL, SIZE)
#define CAN_DEBUG_WITHOUT_FP
/* Define this macro if debugging can be performed even without a
frame pointer. If this macro is defined, GNU CC will turn on the

15
gcc/config/m68hc11/m68hc11.c
View file

@ -288,21 +288,6 @@ m68hc11_override_options ()
}
int
m68hc11_optimization_options (level, size)
int level ATTRIBUTE_UNUSED;
int size;
{
/* When optimizing for size, do not reorder basic blocks because
it duplicates some insns for speed and this results in larder code.
This reordering can still be enabled but explicitly. */
if (size)
{
flag_reorder_blocks = 0;
}
return 0;
}
void
m68hc11_conditional_register_usage ()
{

4
gcc/config/m68hc11/m68hc11.h
View file

@ -214,10 +214,6 @@ extern const char *m68hc11_soft_reg_count;
#define OVERRIDE_OPTIONS m68hc11_override_options ();
/* Define this to change the optimizations performed by default. */
#define OPTIMIZATION_OPTIONS(LEVEL, SIZE) \
m68hc11_optimization_options(LEVEL, SIZE)
/* Define cost parameters for a given processor variant. */
struct processor_costs {

9
gcc/toplev.c
View file

@ -4813,6 +4813,15 @@ parse_options_and_default_flags (argc, argv)
align_jumps = 1;
align_labels = 1;
align_functions = 1;
/* Don't reorder blocks when optimizing for size because extra
jump insns may be created; also barrier may create extra padding.
More correctly we should have a block reordering mode that tried
to minimize the combined size of all the jumps. This would more
or less automatically remove extra jumps, but would also try to
use more short jumps instead of long jumps. */
flag_reorder_blocks = 0;
}
/* Initialize whether `char' is signed. */