* ld-m68hc11/adj-jump.d: New test for linker relaxation.
* ld-m68hc11/adj-jump.s: Likewise.
* ld-m68hc11/adj-brset.s: Likewise.
* ld-m68hc11/adj-brset.d: Likewise.
* ld-m68hc11/relax-direct.s: Likewise.
* ld-m68hc11/relax-direct.d: Likewise.
* ld-m68hc11/relax-group.s: Likewise.
* ld-m68hc11/relax-group.d: Likewise.
* ld-m68hc11/bug-1403.d: Likewise.
* ld-m68hc11/bug-1403.s: Likewise.
+2002-10-14 Stephane Carrez <stcarrez@nerim.fr>
+
+ * ld-m68hc11/m68hc11.exp: Specific tests for 68HC11/68HC12.
+ * ld-m68hc11/adj-jump.d: New test for linker relaxation.
+ * ld-m68hc11/adj-jump.s: Likewise.
+ * ld-m68hc11/adj-brset.s: Likewise.
+ * ld-m68hc11/adj-brset.d: Likewise.
+ * ld-m68hc11/relax-direct.s: Likewise.
+ * ld-m68hc11/relax-direct.d: Likewise.
+ * ld-m68hc11/relax-group.s: Likewise.
+ * ld-m68hc11/relax-group.d: Likewise.
+ * ld-m68hc11/bug-1403.d: Likewise.
+ * ld-m68hc11/bug-1403.s: Likewise.
+
2002-10-14 Stephen Clarke <stephen.clarke@superh.com>
* ld-sh/ld-r-1.d: Disable for sh64*-*-linux*.
* ld-sh/sh64/sh64.exp: Likewise.
--- /dev/null
+#source: adj-brset.s
+#as: -m68hc11
+#ld: --relax
+#objdump: -d --prefix-addresses -r
+#target: m6811-*-* m6812-*-*
+
+.*: +file format elf32\-m68hc11
+
+Disassembly of section .text:
+0+8000 <_start> brclr 140,x \#\$c8 0+804a <L8>
+0+8004 <L1> addd \*0+4 <_toto>
+0+8006 <L1\+0x2> brclr 20,x \#\$03 0+8004 <L1>
+0+800a <L1\+0x6> brclr 90,x \#\$63 0+801a <L3>
+0+800e <L2> addd \*0+4 <_toto>
+0+8010 <L2\+0x2> brclr 19,y \#\$04 0+800e <L2>
+0+8015 <L2\+0x7> brclr 91,y \#\$62 0+8024 <L4>
+0+801a <L3> addd \*0+4 <_toto>
+0+801c <L3\+0x2> brset 18,x \#\$05 0+801a <L3>
+0+8020 <L3\+0x6> brset 92,x \#\$61 0+8030 <L5>
+0+8024 <L4> addd \*0+4 <_toto>
+0+8026 <L4\+0x2> brset 17,y \#\$06 0+8024 <L4>
+0+802b <L4\+0x7> brset 93,y \#\$60 0+8030 <L5>
+0+8030 <L5> addd \*0+4 <_toto>
+0+8032 <L5\+0x2> brset \*0+32 <_table> \#\$07 0+8030 <L5>
+0+8036 <L5\+0x6> brset \*0+3c <_table\+0xa> \#\$5f 0+8044 <L7>
+0+803a <L6> addd \*0+4 <_toto>
+0+803c <L6\+0x2> brclr \*0+33 <_table\+0x1> \#\$08 0+803a <L6>
+0+8040 <L6\+0x6> brset \*0+3d <_table\+0xb> \#\$5e 0+804a <L8>
+0+8044 <L7> addd \*0+4 <_toto>
+0+8046 <L7\+0x2> brclr \*0+33 <_table\+0x1> \#\$08 0+803a <L6>
+0+804a <L8> brclr 140,x \#\$c8 0+8000 <_start>
+0+804e <L8\+0x4> rts
--- /dev/null
+;;; Test 68HC11 linker relaxation and fixup of brclr/brset branches
+;;;
+ .sect .text
+ .globl _start
+_start:
+start:
+ brclr 140,x#200,L8 ; Branch adjustment covers the whole test
+;;; The 'addd' is relaxed and we win 1 byte. The next brclr/brset
+;;; branch must be fixed and reduced by 1. We check for different
+;;; addressing modes because the instruction has different opcode and
+;;; different lengths.
+L1:
+ addd _toto
+ brclr 20,x,#3,L1
+ brclr 90,x,#99,L3 ; Likewise with forward branch
+L2:
+ addd _toto
+ brclr 19,y,#4,L2
+ brclr 91,y,#98,L4
+L3:
+ addd _toto
+ brset 18,x,#5,L3
+ brset 92,x,#97,L5
+L4:
+ addd _toto
+ brset 17,y,#6,L4
+ brset 93,y,#96,L5
+L5:
+ addd _toto
+ brset *_table,#7,L5
+ brset *_table+10,#95,L7
+L6:
+ addd _toto
+ brclr *_table+1,#8,L6
+ brset *_table+11,#94,L8
+L7:
+ addd _toto
+ brclr *_table+1,#8,L6
+L8:
+ brclr 140,x#200,_start ; Branch adjustment covers the whole test
+ rts
+
+ .sect .page0
+_bar:
+ .long 0
+_toto:
+ .long 0
+ .skip 32
+stack:
+ .skip 10
+_table:
--- /dev/null
+#source: adj-jump.s
+#as: -m68hc11
+#ld: --relax
+#objdump: -d --prefix-addresses -r
+#target: m6811-*-* m6812-*-*
+
+.*: +file format elf32\-m68hc11
+
+Disassembly of section .text:
+0+8000 <_start> bra 0+8074 <L3>
+ ...
+0+8016 <_start\+0x16> bra 0+8074 <L3>
+0+8018 <L1> addd 0,x
+0+801a <L1\+0x2> bne 0+8018 <L1>
+0+801c <L1\+0x4> addd \*0+4 <_toto>
+0+801e <L1\+0x6> beq 0+8018 <L1>
+0+8020 <L1\+0x8> addd \*0+5 <_toto\+0x1>
+0+8022 <L1\+0xa> bne 0+8018 <L1>
+0+8024 <L1\+0xc> bgt 0+8018 <L1>
+0+8026 <L1\+0xe> bge 0+8018 <L1>
+0+8028 <L1\+0x10> beq 0+8018 <L1>
+0+802a <L1\+0x12> ble 0+8018 <L1>
+0+802c <L1\+0x14> blt 0+8018 <L1>
+0+802e <L1\+0x16> bhi 0+8018 <L1>
+0+8030 <L1\+0x18> bcc 0+8018 <L1>
+0+8032 <L1\+0x1a> beq 0+8018 <L1>
+0+8034 <L1\+0x1c> bls 0+8018 <L1>
+0+8036 <L1\+0x1e> bcs 0+8018 <L1>
+0+8038 <L1\+0x20> bcs 0+8018 <L1>
+0+803a <L1\+0x22> bmi 0+8018 <L1>
+0+803c <L1\+0x24> bvs 0+8018 <L1>
+0+803e <L1\+0x26> bcc 0+8018 <L1>
+0+8040 <L1\+0x28> bpl 0+8018 <L1>
+0+8042 <L1\+0x2a> bvc 0+8018 <L1>
+0+8044 <L1\+0x2c> bne 0+8018 <L1>
+0+8046 <L1\+0x2e> brn 0+8018 <L1>
+0+8048 <L1\+0x30> bra 0+8018 <L1>
+0+804a <L1\+0x32> addd \*0+4 <_toto>
+0+804c <L1\+0x34> addd \*0+4 <_toto>
+0+804e <L1\+0x36> addd \*0+4 <_toto>
+0+8050 <L1\+0x38> addd \*0+4 <_toto>
+0+8052 <L1\+0x3a> addd \*0+4 <_toto>
+0+8054 <L1\+0x3c> addd \*0+4 <_toto>
+0+8056 <L1\+0x3e> addd \*0+4 <_toto>
+0+8058 <L1\+0x40> addd \*0+4 <_toto>
+0+805a <L1\+0x42> addd \*0+4 <_toto>
+0+805c <L1\+0x44> addd \*0+4 <_toto>
+0+805e <L1\+0x46> addd \*0+4 <_toto>
+0+8060 <L1\+0x48> addd \*0+4 <_toto>
+0+8062 <L1\+0x4a> addd \*0+4 <_toto>
+0+8064 <L1\+0x4c> addd \*0+4 <_toto>
+0+8066 <L1\+0x4e> addd \*0+4 <_toto>
+0+8068 <L2> bra 0+8000 <_start>
+0+806a <L2\+0x2> bne 0+8068 <L2>
+0+806c <L2\+0x4> beq 0+8074 <L3>
+0+806e <L2\+0x6> addd \*0+4 <_toto>
+0+8070 <L2\+0x8> beq 0+8074 <L3>
+0+8072 <L2\+0xa> addd \*0+4 <_toto>
+0+8074 <L3> addd \*0+4 <_toto>
+0+8076 <L3\+0x2> rts
--- /dev/null
+;;; Test 68HC11 linker relaxation and fixup of bcc/bra branches
+;;;
+ .sect .text
+ .globl _start
+_start:
+ ;; Next 'bra' is assembled as a 'jmp'. It is relaxed to 'bra L3'
+ ;; during a second pass of relax.
+ bra L3
+ .skip 20
+ ;; Next 'jmp' must be relaxed to a 'bra' during the first pass.
+ ;; The branch offset must then be adjusted by consecutive relax.
+ jmp L3
+L1:
+ addd 0,x
+ bne L1 ; Branch not adjusted
+ addd _toto
+ beq L1 ; Backward branch, adjust -1
+ addd _toto+1
+ jbne L1 ; Backward branch, adjust -2
+ bgt L1 ; All possible backward branchs, adjust -2
+ bge L1
+ beq L1
+ ble L1
+ blt L1
+ bhi L1
+ bhs L1
+ beq L1
+ bls L1
+ blo L1
+ bcs L1
+ bmi L1
+ bvs L1
+ bcc L1
+ bpl L1
+ bvc L1
+ bne L1
+ brn L1
+ bra L1
+ ;; Relax several insn to reduce block by 15
+ addd _toto
+ addd _toto
+ addd _toto
+ addd _toto
+ addd _toto
+ addd _toto
+ addd _toto
+ addd _toto
+ addd _toto
+ addd _toto
+ addd _toto
+ addd _toto
+ addd _toto
+ addd _toto
+ addd _toto
+L2:
+ jmp _start ; -> relax to bra _start
+ bne L2 ; Backward branch, adjust -1
+ beq L3 ; Forward branch, adjust -2
+ addd _toto
+ beq L3 ; Forward branch, adjust -1
+ addd _toto
+L3:
+ addd _toto
+ rts
+
+ .sect .page0
+_bar:
+ .long 0
+_toto:
+ .long 0
+ .skip 32
+stack:
+ .skip 10
+_table:
--- /dev/null
+#source: bug-1403.s
+#as: -m68hc11
+#ld: --relax
+#objdump: -d --prefix-addresses -r
+#target: m6811-*-* m6812-*-*
+
+.*: +file format elf32-m68hc11
+
+Disassembly of section .text:
+0+8000 <_start> bset \*0+ <__bss_size> \#\$04
+0+8003 <L1> bra 0+8005 <toto>
+0+8005 <toto> rts
--- /dev/null
+;;; Bug #1403: Branch adjustment to another section not correct when doing linker relaxation
+;;; http://savannah.gnu.org/bugs/?func=detailbug&bug_id=1403&group_id=2424
+;;;
+ .sect .text
+ .globl _start
+_start:
+ .relax L1
+ ldx #table
+ bset 0,x #4
+L1:
+ bra toto ; bra is assembled as a jmp and relaxed
+
+ .sect .page0
+ .globl table
+table: .long 0
+
+ .sect .text.toto
+ .globl toto
+toto:
+ rts
--- /dev/null
+# Expect script for run_dump_test based ld-m68hc11 tests.
+# Copyright 2002 Free Software Foundation, Inc.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# Adapted from ld-sh/rd-sh.exp
+
+# Test 68HC11 relaxing. This tests the assembler as well as the linker.
+
+if { ![istarget m6811-*-*] && ![istarget m6812-*-*] } {
+ return
+}
+
+set rd_test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
+foreach shtest $rd_test_list {
+ # We need to strip the ".d", but can leave the dirname.
+ verbose [file rootname $shtest]
+ run_dump_test [file rootname $shtest]
+}
--- /dev/null
+#source: relax-direct.s
+#as: -m68hc11
+#ld: --relax
+#objdump: -d --prefix-addresses -r
+#target: m6811-*-* m6812-*-*
+
+.*: +file format elf32-m68hc11
+
+Disassembly of section .text:
+0+8000 <_start> lds \*0+28 <stack>
+0+8002 <_start\+0x2> ldd \*0+ <__bss_size>
+0+8004 <_start\+0x4> beq 0+800f <F1>
+0+8006 <_start\+0x6> bne 0+800b <_start\+0xb>
+0+8008 <_start\+0x8> jmp 0+8138 <F2>
+0+800b <_start\+0xb> std \*0+ <__bss_size>
+0+800d <_start\+0xd> jsr \*0+ <__bss_size>
+0+800f <F1> addd \*0+4 <_toto>
+0+8011 <F1\+0x2> bne 0+8000 <_start>
+0+8013 <F1\+0x4> addd \*0+cc <_table\+0x9a>
+0+8015 <F1\+0x6> addd 0+114 <_stack_top\+0x1a>
+0+8018 <F1\+0x9> adca \*0+34 <_table\+0x2>
+0+801a <F1\+0xb> adcb \*0+35 <_table\+0x3>
+0+801c <F1\+0xd> adda \*0+36 <_table\+0x4>
+0+801e <F1\+0xf> addb \*0+37 <_table\+0x5>
+0+8020 <F1\+0x11> addd \*0+38 <_table\+0x6>
+0+8022 <F1\+0x13> anda \*0+39 <_table\+0x7>
+0+8024 <F1\+0x15> andb \*0+3a <_table\+0x8>
+0+8026 <F1\+0x17> cmpa \*0+3b <_table\+0x9>
+0+8028 <F1\+0x19> cmpb \*0+3c <_table\+0xa>
+0+802a <F1\+0x1b> cpd \*0+3d <_table\+0xb>
+0+802d <F1\+0x1e> cpx \*0+3e <_table\+0xc>
+0+802f <F1\+0x20> cpy \*0+3f <_table\+0xd>
+0+8032 <F1\+0x23> eora \*0+40 <_table\+0xe>
+0+8034 <F1\+0x25> eorb \*0+41 <_table\+0xf>
+0+8036 <F1\+0x27> jsr \*0+42 <_table\+0x10>
+0+8038 <F1\+0x29> ldaa \*0+43 <_table\+0x11>
+0+803a <F1\+0x2b> ldab \*0+44 <_table\+0x12>
+0+803c <F1\+0x2d> ldd \*0+45 <_table\+0x13>
+0+803e <F1\+0x2f> lds \*0+46 <_table\+0x14>
+0+8040 <F1\+0x31> ldx \*0+47 <_table\+0x15>
+0+8042 <F1\+0x33> ldy \*0+48 <_table\+0x16>
+0+8045 <F1\+0x36> oraa \*0+49 <_table\+0x17>
+0+8047 <F1\+0x38> orab \*0+4a <_table\+0x18>
+0+8049 <F1\+0x3a> sbcb \*0+4b <_table\+0x19>
+0+804b <F1\+0x3c> sbca \*0+4c <_table\+0x1a>
+0+804d <F1\+0x3e> staa \*0+4d <_table\+0x1b>
+0+804f <F1\+0x40> stab \*0+4e <_table\+0x1c>
+0+8051 <F1\+0x42> std \*0+4f <_table\+0x1d>
+0+8053 <F1\+0x44> sts \*0+50 <_table\+0x1e>
+0+8055 <F1\+0x46> stx \*0+51 <_table\+0x1f>
+0+8057 <F1\+0x48> sty \*0+52 <_table\+0x20>
+0+805a <F1\+0x4b> suba \*0+53 <_table\+0x21>
+0+805c <F1\+0x4d> subb \*0+54 <_table\+0x22>
+0+805e <F1\+0x4f> subd \*0+55 <_table\+0x23>
+0+8060 <F1\+0x51> bne 0+8000 <_start>
+0+8062 <F1\+0x53> bra 0+800f <F1>
+0+8064 <F1\+0x55> rts
+0+8065 <no_relax> addd 0+136 <_stack_top\+0x3c>
+0+8068 <no_relax\+0x3> std 0+122 <_stack_top\+0x28>
+0+806b <no_relax\+0x6> tst 0+5 <_toto\+0x1>
+0+806e <no_relax\+0x9> bne 0+8065 <no_relax>
+ ...
+0+8138 <F2> jmp 0+8000 <_start>
--- /dev/null
+;;; Test 68HC11 linker relaxation from extended addressing to direct
+;;; addressing modes
+;;;
+ .sect .text
+ .globl _start
+_start:
+start:
+ lds stack
+ ldd _bar
+ beq F1
+ beq F2
+ std _bar
+ jsr _bar
+F1:
+ addd _toto
+ bne start
+ ;; All the following instructions will be relaxed and win 1 byte
+ ;; for each.
+ addd _toto+200
+ addd stack+256-20
+ adca _table+2
+ adcb _table+3
+ adda _table+4
+ addb _table+5
+ addd _table+6
+ anda _table+7
+ andb _table+8
+ cmpa _table+9
+ cmpb _table+10
+ cpd _table+11
+ cpx _table+12
+ cpy _table+13
+ eora _table+14
+ eorb _table+15
+ jsr _table+16
+ ldaa _table+17
+ ldab _table+18
+ ldd _table+19
+ lds _table+20
+ ldx _table+21
+ ldy _table+22
+ oraa _table+23
+ orab _table+24
+ sbcb _table+25
+ sbca _table+26
+ staa _table+27
+ stab _table+28
+ std _table+29
+ sts _table+30
+ stx _table+31
+ sty _table+32
+ suba _table+33
+ subb _table+34
+ subd _table+35
+ ;; 'bne' is assembled as far branch and must relax to
+ ;; a relative 8-bit branch.
+ bne _start
+ ;; Likewise for next branch
+ bra F1
+ rts
+
+;;; The following instructions will not be relaxed
+no_relax:
+ addd _stack_top+60
+ std _stack_top+40
+ ;; 'tst' does not support direct addressing mode.
+ tst _toto+1
+ bne no_relax
+ .skip 200
+F2:
+ bra _start
+
+ .sect .page0
+_bar:
+ .long 0
+_toto:
+ .long 0
+ .skip 32
+stack:
+ .skip 10
+_table:
+ .skip 200
+_stack_top:
+
--- /dev/null
+#source: relax-group.s
+#as: -m68hc11
+#ld: --relax
+#objdump: -d --prefix-addresses -r
+#target: m6811-*-* m6812-*-*
+
+.*: +file format elf32-m68hc11
+
+Disassembly of section .text:
+0+8000 <_start> bset \*0+ <__bss_size> #\$04
+0+8003 <L1x> bset \*0+ <__bss_size> #\$04
+0+8006 <L1y> bset \*0+3 <__bss_size\+0x3> #\$04
+0+8009 <L1y\+0x3> bset \*0+4 <table4> #\$08
+0+800c <L2x> bset \*0+3 <__bss_size\+0x3> #\$04
+0+800f <L2x\+0x3> bset \*0+4 <table4> #\$08
+0+8012 <L2y> bset \*0+6 <table4\+0x2> #\$04
+0+8015 <L2y\+0x3> bset \*0+7 <table4\+0x3> #\$08
+0+8018 <L2y\+0x6> bset \*0+8 <table8> #\$0c
+0+801b <L2y\+0x9> bset \*0+9 <table8\+0x1> #\$0c
+0+801e <L2y\+0xc> bset \*0+a <table8\+0x2> #\$0c
+0+8021 <L2y\+0xf> bset \*0+b <table8\+0x3> #\$0c
+0+8024 <L3x> bset \*0+6 <table4\+0x2> #\$04
+0+8027 <L3x\+0x3> bset \*0+7 <table4\+0x3> #\$08
+0+802a <L3x\+0x6> bset \*0+8 <table8> #\$0c
+0+802d <L3x\+0x9> bset \*0+9 <table8\+0x1> #\$0c
+0+8030 <L3x\+0xc> bset \*0+a <table8\+0x2> #\$0c
+0+8033 <L3x\+0xf> bset \*0+b <table8\+0x3> #\$0c
+0+8036 <L3y> bra 0+8000 <_start>
+0+8038 <L3y\+0x2> ldx #0+fe <end_table\+0xe8>
+0+803b <L3y\+0x5> bset \*0+fe <end_table\+0xe8> #\$04
+0+803e <L3y\+0x8> bset \*0+ff <end_table\+0xe9> #\$08
+0+8041 <L3y\+0xb> bset 2,x #\$0c
+0+8044 <L3y\+0xe> bset 3,x #\$0c
+0+8047 <L3y\+0x11> bset 4,x #\$0c
+0+804a <L3y\+0x14> bset 5,x #\$0c
+0+804d <L4x> ldy #0+fe <end_table\+0xe8>
+0+8051 <L4x\+0x4> bset \*0+fe <end_table\+0xe8> #\$04
+0+8054 <L4x\+0x7> bset \*0+ff <end_table\+0xe9> #\$08
+0+8057 <L4x\+0xa> bset 2,y #\$0c
+0+805b <L4x\+0xe> bset 3,y #\$0c
+0+805f <L4x\+0x12> bset 4,y #\$0c
+0+8063 <L4x\+0x16> bset 5,y #\$0c
+0+8067 <L4y> bclr \*0+a <table8\+0x2> #\$04
+0+806a <L4y\+0x3> bclr \*0+b <table8\+0x3> #\$08
+0+806d <L5x> bclr \*0+1a <end_table\+0x4> #\$04
+0+8070 <L5x\+0x3> bclr \*0+1b <end_table\+0x5> #\$08
+0+8073 <L5y> brset \*0+8 <table8> #\$04 0+8073 <L5y>
+0+8077 <L6x> brset \*0+8 <table8> #\$04 0+8077 <L6x>
+0+807b <L7x> brset \*0+8 <table8> #\$04 0+8094 <brend>
+0+807f <L8x> brset \*0+8 <table8> #\$04 0+8094 <brend>
+0+8083 <L8y> brclr \*0+8 <table8> #\$04 0+8083 <L8y>
+0+8087 <L9x> brclr \*0+8 <table8> #\$04 0+8087 <L9x>
+0+808b <L9y> brclr \*0+8 <table8> #\$04 0+8094 <brend>
+0+808f <L10x> brclr \*0+8 <table8> #\$04 0+8094 <brend>
+0+8093 <L10y> nop
+0+8094 <brend> bset 0,x #\$04
+0+8097 <w2> ldx #0+ <__bss_size>
+0+809a <w3> ldy #0+8 <table8>
+0+809e <w4> rts
+0+809f <w5> ldx #0+ <__bss_size>
+0+80a2 <w5\+0x3> bset 0,x #\$05
+0+80a5 <w5\+0x6> jmp 0+8000 <_start>
+0+80a8 <w5\+0x9> rts
--- /dev/null
+;;; Test 68HC11 linker relaxation (group relax)
+;;;
+ .sect .text
+ .globl _start
+_start:
+;;;
+;;; The following group of instructions are adjusted.
+;;;
+ .relax L1x
+ ldx #table
+ bset 0,x #4
+L1x:
+ .relax L1y
+ ldy #table
+ bset 0,y #4
+L1y:
+ .relax L2x
+ ldx #table+3
+ bset 0,x #4
+ bset 1,x #8
+L2x:
+ .relax L2y
+ ldy #table+3
+ bset 0,y #4
+ bset 1,y #8
+L2y:
+ .relax L3x
+ ldx #table+6
+ bset 0,x #4
+ bset 1,x #8
+ bset 2,x #12
+ bset 3,x #12
+ bset 4,x #12
+ bset 5,x #12
+L3x:
+ .relax L3y
+ ldy #table+6
+ bset 0,y #4
+ bset 1,y #8
+ bset 2,y #12
+ bset 3,y #12
+ bset 4,y #12
+ bset 5,y #12
+L3y:
+ ;; Next branch is always relative. It must be adjusted while
+ ;; above instructions are relaxed.
+ bra _start
+;;;
+;;; This group has the first two bset insn relaxable while the
+;;; others are not. The ldx/ldy must not be removed.
+;;;
+ .relax L4x
+ ldx #table+0xfe
+ bset 0,x #4
+ bset 1,x #8
+ bset 2,x #12
+ bset 3,x #12
+ bset 4,x #12
+ bset 5,x #12
+L4x:
+ .relax L4y
+ ldy #table+0xfe
+ bset 0,y #4
+ bset 1,y #8
+ bset 2,y #12
+ bset 3,y #12
+ bset 4,y #12
+ bset 5,y #12
+L4y:
+;;;
+;;; Relax group for bclr
+;;;
+ .relax L5x
+ ldx #table+10
+ bclr 0,x #4
+ bclr 1,x #8
+L5x:
+ .relax L5y
+ ldy #table+16
+ bclr 10,y #4
+ bclr 11,y #8
+L5y:
+;;;
+;;; Relax group for brset (with backward branch)
+;;;
+ .relax L6x
+ ldx #table+8
+ brset 0,x #4 L5y
+L6x:
+ .relax L7x
+ ldy #table+8
+ brset 0,y #4 L6x
+L7x:
+;;;
+;;; Relax group for brset (with forward branch)
+;;;
+ .relax L8x
+ ldx #table+8
+ brset 0,x #4 brend
+L8x:
+ .relax L8y
+ ldy #table+8
+ brset 0,y #4 brend
+L8y:
+;;;
+;;; Relax group for brclr (with backward branch)
+;;;
+ .relax L9x
+ ldx #table+8
+ brclr 0,x #4 L8y
+L9x:
+ .relax L9y
+ ldy #table+8
+ brclr 0,y #4 L9x
+L9y:
+;;;
+;;; Relax group for brclr (with forward branch)
+;;;
+ .relax L10x
+ ldx #table+8
+ brclr 0,x #4 brend
+L10x:
+ .relax L10y
+ ldy #table+8
+ brclr 0,y #4 brend
+L10y:
+ nop
+brend:
+;;;
+;;; The following are wrong use of .relax groups.
+;;;
+ .relax w1
+w1:
+ .relax w2
+ bset 0,x #4
+w2:
+ .relax w3
+ ldx #table
+w3:
+ .relax w4
+ ldy #table+8
+w4:
+ .relax w5
+ rts
+w5:
+;;;
+;;; Next insn is not in a .relax group
+ ldx #table
+ bset 0,x #5
+ bra _start
+ rts
+
+ .sect .page0
+ .globl table
+table: .long 0
+table4: .long 0
+table8: .long 0
+ .skip 10
+end_table:
+ .long 0
+
projects / external / binutils.git / commitdiff