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mips.c (mips_base_move_loop_invariants): New variable.

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gcc/
	* config/mips/mips.c (mips_base_move_loop_invariants): New variable.
	(mips_set_mips16_mode): Restore flag_move_loop_invariants, then set
	to 0 for MIPS16.
	(override_options): Set mips_base_move_loop_invariants.

From-SVN: r128232
This commit is contained in:
Richard Sandiford 2007-09-07 08:14:10 +00:00 • committed by Richard Sandiford
parent 704aab3e3f
commit 8d1d0deea0
2 changed files with 18 additions and 1 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2007-09-07 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips.c (mips_base_move_loop_invariants): New variable.
(mips_set_mips16_mode): Restore flag_move_loop_invariants, then set
to 0 for MIPS16.
(override_options): Set mips_base_move_loop_invariants.
2007-09-07 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips.opt (mcode-readable=): Move to keep list

12
gcc/config/mips/mips.c
View file

@ -626,6 +626,7 @@ static bool mips_base_mips16;
/* Similar copies of option settings. */
static int mips_base_schedule_insns; /* flag_schedule_insns */
static int mips_base_reorder_blocks_and_partition; /* flag_reorder... */
static int mips_base_move_loop_invariants; /* flag_move_loop_invariants */
static int mips_base_align_loops; /* align_loops */
static int mips_base_align_jumps; /* align_jumps */
static int mips_base_align_functions; /* align_functions */
@ -5273,6 +5274,7 @@ mips_set_mips16_mode (int mips16_p)
align_functions = mips_base_align_functions;
flag_schedule_insns = mips_base_schedule_insns;
flag_reorder_blocks_and_partition = mips_base_reorder_blocks_and_partition;
flag_move_loop_invariants = mips_base_move_loop_invariants;
flag_delayed_branch = mips_flag_delayed_branch;
if (mips16_p)
@ -5285,9 +5287,16 @@ mips_set_mips16_mode (int mips16_p)
flag_schedule_insns = 0;
/* Don't do hot/cold partitioning. The constant layout code expects
the whole function to be in a single section. */
the whole function to be in a single section. */
flag_reorder_blocks_and_partition = 0;
/* Don't move loop invariants, because it tends to increase
register pressure. It also introduces an extra move in cases
where the constant is the first operand in a two-operand binary
instruction, or when it forms a register argument to a functon
call. */
flag_move_loop_invariants = 0;
/* Silently disable -mexplicit-relocs since it doesn't apply
to mips16 code. Even so, it would overly pedantic to warn
about "-mips16 -mexplicit-relocs", especially given that
@ -5804,6 +5813,7 @@ override_options (void)
mips_base_target_flags = target_flags;
mips_base_schedule_insns = flag_schedule_insns;
mips_base_reorder_blocks_and_partition = flag_reorder_blocks_and_partition;
mips_base_move_loop_invariants = flag_move_loop_invariants;
mips_base_align_loops = align_loops;
mips_base_align_jumps = align_jumps;
mips_base_align_functions = align_functions;