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* xtensa-isa.c (xtensa_isa_num_pipe_stages): Make max_stage static and
	only compute its value once.
gas/
	* config/tc-xtensa.c (xtensa_num_pipe_stages): New.
	(md_begin): Initialize it.
	(resources_conflict): Use it.
This commit is contained in:
Bob Wilson 2008-03-03 23:23:41 +00:00
parent 332fbd6f66
commit 77cba8a32b
4 changed files with 23 additions and 3 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2008-03-03 Bob Wilson <bob.wilson@acm.org>
* xtensa-isa.c (xtensa_isa_num_pipe_stages): Make max_stage static and
only compute its value once.
2008-03-03 Alan Modra <amodra@bigpond.net.au>
* elf32-spu.c (struct got_entry): Add "addend" field.

9
bfd/xtensa-isa.c
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@ -1,5 +1,5 @@
/* Configurable Xtensa ISA support.
Copyright 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
Copyright 2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
@ -411,7 +411,12 @@ xtensa_isa_num_pipe_stages (xtensa_isa isa)
xtensa_opcode opcode;
xtensa_funcUnit_use *use;
int num_opcodes, num_uses;
int i, stage, max_stage = XTENSA_UNDEFINED;
int i, stage;
static int max_stage = XTENSA_UNDEFINED;
/* Only compute the value once. */
if (max_stage != XTENSA_UNDEFINED)
return max_stage + 1;
num_opcodes = xtensa_isa_num_opcodes (isa);
for (opcode = 0; opcode < num_opcodes; opcode++)

7
gas/ChangeLog
View File

@ -1,3 +1,10 @@
2008-03-03 Sterling Augustine <sterling@tensilica.com>
Bob Wilson <bob.wilson@acm.org>
* config/tc-xtensa.c (xtensa_num_pipe_stages): New.
(md_begin): Initialize it.
(resources_conflict): Use it.
2008-03-03 Sterling Augustine <sterling@tensilica.com>
* config/tc-xtensa.h (RELAX_XTENSA_NONE): New.

5
gas/config/tc-xtensa.c
View File

@ -79,6 +79,7 @@ bfd_boolean absolute_literals_supported = XSHAL_USE_ABSOLUTE_LITERALS;
static vliw_insn cur_vinsn;
unsigned xtensa_num_pipe_stages;
unsigned xtensa_fetch_width = XCHAL_INST_FETCH_WIDTH;
static enum debug_info_type xt_saved_debug_type = DEBUG_NONE;
@ -5084,6 +5085,8 @@ md_begin (void)
xtensa_rsr_lcount_opcode = xtensa_opcode_lookup (isa, "rsr.lcount");
xtensa_waiti_opcode = xtensa_opcode_lookup (isa, "waiti");
xtensa_num_pipe_stages = xtensa_isa_num_pipe_stages (isa);
init_op_placement_info_table ();
/* Set up the assembly state. */
@ -6006,7 +6009,7 @@ resources_conflict (vliw_insn *vinsn)
{
xtensa_isa isa = xtensa_default_isa;
rt = new_resource_table
(isa, xtensa_isa_num_pipe_stages (isa),
(isa, xtensa_num_pipe_stages,
xtensa_isa_num_funcUnits (isa),
(unit_num_copies_func) xtensa_funcUnit_num_copies,
(opcode_num_units_func) xtensa_opcode_num_funcUnit_uses,