+2004-01-14 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
+
+ * config/tc-mips.c (append_insn): Properly detect variant frags
+ that preclude swapping of relaxed branches. Correctly swap
+ instructions between frags when dealing with relaxed branches.
+
2004-01-14 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
* acinclude.m4: Quote names of macros to be defined by AC_DEFUN
char *f;
fixS *fixp[3];
int nops = 0;
+ relax_stateT prev_insn_frag_type = 0;
+ bfd_boolean relaxed_branch = FALSE;
bfd_boolean force_new_frag = FALSE;
/* Mark instruction labels in mips16 mode. */
}
}
+ /* Record the frag type before frag_var. */
+ if (prev_insn_frag)
+ prev_insn_frag_type = prev_insn_frag->fr_type;
+
if (place == NULL
&& address_expr
&& *reloc_type == BFD_RELOC_16_PCREL_S2
&& !(mips_opts.noat && mips_pic != NO_PIC)
&& !mips_opts.mips16)
{
+ relaxed_branch = TRUE;
f = frag_var (rs_machine_dependent,
relaxed_branch_length
(NULL, NULL,
there are any branches to anything other than a
label, users must use .set noreorder. */
|| insn_labels != NULL
- /* If the previous instruction is in a variant frag, we
- can not do the swap. This does not apply to the
- mips16, which uses variant frags for different
- purposes. */
+ /* If the previous instruction is in a variant frag
+ other than this branch's one, we cannot do the swap.
+ This does not apply to the mips16, which uses variant
+ frags for different purposes. */
|| (! mips_opts.mips16
- && prev_insn_frag->fr_type == rs_machine_dependent)
+ && prev_insn_frag_type == rs_machine_dependent)
/* If the branch reads the condition codes, we don't
even try to swap, because in the sequence
ctc1 $X,$31
char temp[4];
prev_f = prev_insn_frag->fr_literal + prev_insn_where;
- memcpy (temp, prev_f, 4);
- memcpy (prev_f, f, 4);
- memcpy (f, temp, 4);
+ if (!relaxed_branch)
+ {
+ /* If this is not a relaxed branch, then just
+ swap the instructions. */
+ memcpy (temp, prev_f, 4);
+ memcpy (prev_f, f, 4);
+ memcpy (f, temp, 4);
+ }
+ else
+ {
+ /* If this is a relaxed branch, then we move the
+ instruction to be placed in the delay slot to
+ the current frag, shrinking the fixed part of
+ the originating frag. If the branch occupies
+ the tail of the latter, we move it backwards,
+ into the space freed by the moved instruction. */
+ f = frag_more (4);
+ memcpy (f, prev_f, 4);
+ prev_insn_frag->fr_fix -= 4;
+ if (prev_insn_frag->fr_type == rs_machine_dependent)
+ memmove (prev_f, prev_f + 4, prev_insn_frag->fr_var);
+ }
+
if (prev_insn_fixp[0])
{
prev_insn_fixp[0]->fx_frag = frag_now;
frag. */
force_new_frag = TRUE;
}
- if (fixp[0])
- {
- fixp[0]->fx_frag = prev_insn_frag;
- fixp[0]->fx_where = prev_insn_where;
- }
- if (fixp[1])
+
+ if (!relaxed_branch)
{
- fixp[1]->fx_frag = prev_insn_frag;
- fixp[1]->fx_where = prev_insn_where;
+ if (fixp[0])
+ {
+ fixp[0]->fx_frag = prev_insn_frag;
+ fixp[0]->fx_where = prev_insn_where;
+ }
+ if (fixp[1])
+ {
+ fixp[1]->fx_frag = prev_insn_frag;
+ fixp[1]->fx_where = prev_insn_where;
+ }
+ if (fixp[2])
+ {
+ fixp[2]->fx_frag = prev_insn_frag;
+ fixp[2]->fx_where = prev_insn_where;
+ }
}
- if (fixp[2])
+ else if (prev_insn_frag->fr_type == rs_machine_dependent)
{
- fixp[2]->fx_frag = prev_insn_frag;
- fixp[2]->fx_where = prev_insn_where;
+ if (fixp[0])
+ fixp[0]->fx_where -= 4;
+ if (fixp[1])
+ fixp[1]->fx_where -= 4;
+ if (fixp[2])
+ fixp[2]->fx_where -= 4;
}
}
else
+2004-01-14 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
+
+ * gas/mips/relax-swap1-mips1.d: New test for branch relaxation
+ with swapping for MIPS1.
+ * gas/mips/relax-swap1-mips2.d: New test for branch relaxation
+ with swapping for MIPS2.
+ * gas/mips/relax-swap1.l: Stderr output for the new tests.
+ * gas/mips/relax-swap1.s: Source for the new tests.
+ * gas/mips/relax-swap2.d: New test for branch likely relaxation
+ with swapping.
+ * gas/mips/relax-swap2.l: Stderr output for the new test.
+ * gas/mips/relax-swap2.s: Source for the new test.
+ * gas/mips/mips.exp: Run the new tests.
+
2004-01-13 Ian Lance Taylor <ian@wasabisystems.com>
* gas/mips/mips16-64.d: New test.
}
run_dump_test "relax"
+ run_dump_test "relax-swap1-mips1"
+ run_dump_test "relax-swap1-mips2"
+ run_dump_test "relax-swap2"
run_list_test "illegal" "-32"
run_list_test "baddata1" "-32"
--- /dev/null
+#objdump: -dr --prefix-addresses -mmips:3000
+#name: MIPS1 branch relaxation with swapping
+#as: -32 -mips1 -KPIC -relax-branch
+#source: relax-swap1.s
+#stderr: relax-swap1.l
+
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+0+0000 <[^>]*> b 00000000 <foo>
+0+0004 <[^>]*> move v0,a0
+0+0008 <[^>]*> lw at,2\(gp\)
+[ ]*8: R_MIPS_GOT16 \.text
+0+000c <[^>]*> nop
+0+0010 <[^>]*> addiu at,at,1000
+[ ]*10: R_MIPS_LO16 \.text
+0+0014 <[^>]*> jr at
+0+0018 <[^>]*> move v0,a0
+0+001c <[^>]*> lw v0,0\(a0\)
+0+0020 <[^>]*> b 00000000 <foo>
+0+0024 <[^>]*> nop
+0+0028 <[^>]*> lw v0,0\(a0\)
+0+002c <[^>]*> lw at,2\(gp\)
+[ ]*2c: R_MIPS_GOT16 \.text
+0+0030 <[^>]*> nop
+0+0034 <[^>]*> addiu at,at,1000
+[ ]*34: R_MIPS_LO16 \.text
+0+0038 <[^>]*> jr at
+0+003c <[^>]*> nop
+0+0040 <[^>]*> b 00000000 <foo>
+0+0044 <[^>]*> sw v0,0\(a0\)
+0+0048 <[^>]*> lw at,2\(gp\)
+[ ]*48: R_MIPS_GOT16 \.text
+0+004c <[^>]*> nop
+0+0050 <[^>]*> addiu at,at,1000
+[ ]*50: R_MIPS_LO16 \.text
+0+0054 <[^>]*> jr at
+0+0058 <[^>]*> sw v0,0\(a0\)
+0+005c <[^>]*> move v0,a0
+0+0060 <[^>]*> beq v0,v1,00000000 <foo>
+0+0064 <[^>]*> nop
+0+0068 <[^>]*> move v0,a0
+0+006c <[^>]*> bne v0,v1,00000084 <foo\+0x84>
+0+0070 <[^>]*> nop
+0+0074 <[^>]*> lw at,2\(gp\)
+[ ]*74: R_MIPS_GOT16 \.text
+0+0078 <[^>]*> nop
+0+007c <[^>]*> addiu at,at,1000
+[ ]*7c: R_MIPS_LO16 \.text
+0+0080 <[^>]*> jr at
+0+0084 <[^>]*> nop
+0+0088 <[^>]*> beq a0,a1,00000000 <foo>
+0+008c <[^>]*> move v0,a0
+0+0090 <[^>]*> bne a0,a1,000000a8 <foo\+0xa8>
+0+0094 <[^>]*> nop
+0+0098 <[^>]*> lw at,2\(gp\)
+[ ]*98: R_MIPS_GOT16 \.text
+0+009c <[^>]*> nop
+0+00a0 <[^>]*> addiu at,at,1000
+[ ]*a0: R_MIPS_LO16 \.text
+0+00a4 <[^>]*> jr at
+0+00a8 <[^>]*> move v0,a0
+0+00ac <[^>]*> addiu v0,a0,1
+0+00b0 <[^>]*> beq v0,v1,00000000 <foo>
+0+00b4 <[^>]*> nop
+0+00b8 <[^>]*> addiu v0,a0,1
+0+00bc <[^>]*> bne v0,v1,000000d4 <foo\+0xd4>
+0+00c0 <[^>]*> nop
+0+00c4 <[^>]*> lw at,2\(gp\)
+[ ]*c4: R_MIPS_GOT16 \.text
+0+00c8 <[^>]*> nop
+0+00cc <[^>]*> addiu at,at,1000
+[ ]*cc: R_MIPS_LO16 \.text
+0+00d0 <[^>]*> jr at
+0+00d4 <[^>]*> nop
+0+00d8 <[^>]*> beq a0,a1,00000000 <foo>
+0+00dc <[^>]*> addiu v0,a0,1
+0+00e0 <[^>]*> bne a0,a1,000000f8 <foo\+0xf8>
+0+00e4 <[^>]*> nop
+0+00e8 <[^>]*> lw at,2\(gp\)
+[ ]*e8: R_MIPS_GOT16 \.text
+0+00ec <[^>]*> nop
+0+00f0 <[^>]*> addiu at,at,1000
+[ ]*f0: R_MIPS_LO16 \.text
+0+00f4 <[^>]*> jr at
+0+00f8 <[^>]*> addiu v0,a0,1
+0+00fc <[^>]*> lw v0,0\(a0\)
+0+0100 <[^>]*> nop
+0+0104 <[^>]*> beq v0,v1,00000000 <foo>
+0+0108 <[^>]*> nop
+0+010c <[^>]*> lw v0,0\(a0\)
+0+0110 <[^>]*> nop
+0+0114 <[^>]*> bne v0,v1,0000012c <foo\+0x12c>
+0+0118 <[^>]*> nop
+0+011c <[^>]*> lw at,2\(gp\)
+[ ]*11c: R_MIPS_GOT16 \.text
+0+0120 <[^>]*> nop
+0+0124 <[^>]*> addiu at,at,1000
+[ ]*124: R_MIPS_LO16 \.text
+0+0128 <[^>]*> jr at
+0+012c <[^>]*> nop
+0+0130 <[^>]*> lw v0,0\(a0\)
+0+0134 <[^>]*> beq a0,a1,00000000 <foo>
+0+0138 <[^>]*> nop
+0+013c <[^>]*> lw v0,0\(a0\)
+0+0140 <[^>]*> bne a0,a1,00000158 <foo\+0x158>
+0+0144 <[^>]*> nop
+0+0148 <[^>]*> lw at,2\(gp\)
+[ ]*148: R_MIPS_GOT16 \.text
+0+014c <[^>]*> nop
+0+0150 <[^>]*> addiu at,at,1000
+[ ]*150: R_MIPS_LO16 \.text
+0+0154 <[^>]*> jr at
+0+0158 <[^>]*> nop
+0+015c <[^>]*> beq v0,v1,00000000 <foo>
+0+0160 <[^>]*> sw v0,0\(a0\)
+0+0164 <[^>]*> bne v0,v1,0000017c <foo\+0x17c>
+0+0168 <[^>]*> nop
+0+016c <[^>]*> lw at,2\(gp\)
+[ ]*16c: R_MIPS_GOT16 \.text
+0+0170 <[^>]*> nop
+0+0174 <[^>]*> addiu at,at,1000
+[ ]*174: R_MIPS_LO16 \.text
+0+0178 <[^>]*> jr at
+0+017c <[^>]*> sw v0,0\(a0\)
+0+0180 <[^>]*> beq a0,a1,00000000 <foo>
+0+0184 <[^>]*> sw v0,0\(a0\)
+0+0188 <[^>]*> bne a0,a1,000001a0 <foo\+0x1a0>
+0+018c <[^>]*> nop
+0+0190 <[^>]*> lw at,2\(gp\)
+[ ]*190: R_MIPS_GOT16 \.text
+0+0194 <[^>]*> nop
+0+0198 <[^>]*> addiu at,at,1000
+[ ]*198: R_MIPS_LO16 \.text
+0+019c <[^>]*> jr at
+0+01a0 <[^>]*> sw v0,0\(a0\)
+0+01a4 <[^>]*> mfc1 v0,\$f0
+0+01a8 <[^>]*> move a2,a3
+0+01ac <[^>]*> beq v0,v1,00000000 <foo>
+0+01b0 <[^>]*> nop
+0+01b4 <[^>]*> mfc1 v0,\$f0
+0+01b8 <[^>]*> move a2,a3
+0+01bc <[^>]*> bne v0,v1,000001d4 <foo\+0x1d4>
+0+01c0 <[^>]*> nop
+0+01c4 <[^>]*> lw at,2\(gp\)
+[ ]*1c4: R_MIPS_GOT16 \.text
+0+01c8 <[^>]*> nop
+0+01cc <[^>]*> addiu at,at,1000
+[ ]*1cc: R_MIPS_LO16 \.text
+0+01d0 <[^>]*> jr at
+0+01d4 <[^>]*> nop
+0+01d8 <[^>]*> mfc1 v0,\$f0
+0+01dc <[^>]*> beq a0,a1,00000000 <foo>
+0+01e0 <[^>]*> move a2,a3
+0+01e4 <[^>]*> mfc1 v0,\$f0
+0+01e8 <[^>]*> bne a0,a1,00000200 <foo\+0x200>
+0+01ec <[^>]*> nop
+0+01f0 <[^>]*> lw at,2\(gp\)
+[ ]*1f0: R_MIPS_GOT16 \.text
+0+01f4 <[^>]*> nop
+0+01f8 <[^>]*> addiu at,at,1000
+[ ]*1f8: R_MIPS_LO16 \.text
+0+01fc <[^>]*> jr at
+0+0200 <[^>]*> move a2,a3
+0+0204 <[^>]*> move v0,a0
+0+0208 <[^>]*> bc1t 00000000 <foo>
+0+020c <[^>]*> nop
+0+0210 <[^>]*> move v0,a0
+0+0214 <[^>]*> bc1f 0000022c <foo\+0x22c>
+0+0218 <[^>]*> nop
+0+021c <[^>]*> lw at,2\(gp\)
+[ ]*21c: R_MIPS_GOT16 \.text
+0+0220 <[^>]*> nop
+0+0224 <[^>]*> addiu at,at,1000
+[ ]*224: R_MIPS_LO16 \.text
+0+0228 <[^>]*> jr at
+0+022c <[^>]*> nop
+0+0230 <[^>]*> move v0,a0
+0+0234 <[^>]*> b 00000000 <foo>
+0+0238 <[^>]*> nop
+0+023c <[^>]*> move v0,a0
+0+0240 <[^>]*> lw at,2\(gp\)
+[ ]*240: R_MIPS_GOT16 \.text
+0+0244 <[^>]*> nop
+0+0248 <[^>]*> addiu at,at,1000
+[ ]*248: R_MIPS_LO16 \.text
+0+024c <[^>]*> jr at
+0+0250 <[^>]*> nop
+0+0254 <[^>]*> move v0,a0
+0+0258 <[^>]*> b 00000000 <foo>
+0+025c <[^>]*> nop
+0+0260 <[^>]*> move v0,a0
+0+0264 <[^>]*> lw at,2\(gp\)
+[ ]*264: R_MIPS_GOT16 \.text
+0+0268 <[^>]*> nop
+0+026c <[^>]*> addiu at,at,1000
+[ ]*26c: R_MIPS_LO16 \.text
+0+0270 <[^>]*> jr at
+0+0274 <[^>]*> nop
+0+0278 <[^>]*> move a2,a3
+0+027c <[^>]*> move v0,a0
+0+0280 <[^>]*> b 00000000 <foo>
+0+0284 <[^>]*> nop
+0+0288 <[^>]*> move a2,a3
+0+028c <[^>]*> move v0,a0
+0+0290 <[^>]*> lw at,2\(gp\)
+[ ]*290: R_MIPS_GOT16 \.text
+0+0294 <[^>]*> nop
+0+0298 <[^>]*> addiu at,at,1000
+[ ]*298: R_MIPS_LO16 \.text
+0+029c <[^>]*> jr at
+0+02a0 <[^>]*> nop
+0+02a4 <[^>]*> lw at,0\(gp\)
+[ ]*2a4: R_MIPS_GOT16 \.text
+0+02a8 <[^>]*> nop
+0+02ac <[^>]*> addiu at,at,692
+[ ]*2ac: R_MIPS_LO16 \.text
+0+02b0 <[^>]*> sw v0,0\(at\)
+0+02b4 <[^>]*> b 00000000 <foo>
+0+02b8 <[^>]*> nop
+0+02bc <[^>]*> lw at,0\(gp\)
+[ ]*2bc: R_MIPS_GOT16 \.text
+0+02c0 <[^>]*> nop
+0+02c4 <[^>]*> addiu at,at,716
+[ ]*2c4: R_MIPS_LO16 \.text
+0+02c8 <[^>]*> sw v0,0\(at\)
+0+02cc <[^>]*> lw at,2\(gp\)
+[ ]*2cc: R_MIPS_GOT16 \.text
+0+02d0 <[^>]*> nop
+0+02d4 <[^>]*> addiu at,at,1000
+[ ]*2d4: R_MIPS_LO16 \.text
+0+02d8 <[^>]*> jr at
+0+02dc <[^>]*> nop
+0+02e0 <[^>]*> lwc1 \$f0,0\(a0\)
+0+02e4 <[^>]*> b 00000000 <foo>
+0+02e8 <[^>]*> nop
+0+02ec <[^>]*> lwc1 \$f0,0\(a0\)
+0+02f0 <[^>]*> lw at,2\(gp\)
+[ ]*2f0: R_MIPS_GOT16 \.text
+0+02f4 <[^>]*> nop
+0+02f8 <[^>]*> addiu at,at,1000
+[ ]*2f8: R_MIPS_LO16 \.text
+0+02fc <[^>]*> jr at
+0+0300 <[^>]*> nop
+0+0304 <[^>]*> cfc1 v0,\$31
+0+0308 <[^>]*> b 00000000 <foo>
+0+030c <[^>]*> nop
+0+0310 <[^>]*> cfc1 v0,\$31
+0+0314 <[^>]*> lw at,2\(gp\)
+[ ]*314: R_MIPS_GOT16 \.text
+0+0318 <[^>]*> nop
+0+031c <[^>]*> addiu at,at,1000
+[ ]*31c: R_MIPS_LO16 \.text
+0+0320 <[^>]*> jr at
+0+0324 <[^>]*> nop
+0+0328 <[^>]*> ctc1 v0,\$31
+0+032c <[^>]*> b 00000000 <foo>
+0+0330 <[^>]*> nop
+0+0334 <[^>]*> ctc1 v0,\$31
+0+0338 <[^>]*> lw at,2\(gp\)
+[ ]*338: R_MIPS_GOT16 \.text
+0+033c <[^>]*> nop
+0+0340 <[^>]*> addiu at,at,1000
+[ ]*340: R_MIPS_LO16 \.text
+0+0344 <[^>]*> jr at
+0+0348 <[^>]*> nop
+0+034c <[^>]*> mtc1 v0,\$f31
+0+0350 <[^>]*> b 00000000 <foo>
+0+0354 <[^>]*> nop
+0+0358 <[^>]*> mtc1 v0,\$f31
+0+035c <[^>]*> lw at,2\(gp\)
+[ ]*35c: R_MIPS_GOT16 \.text
+0+0360 <[^>]*> nop
+0+0364 <[^>]*> addiu at,at,1000
+[ ]*364: R_MIPS_LO16 \.text
+0+0368 <[^>]*> jr at
+0+036c <[^>]*> nop
+0+0370 <[^>]*> mfhi v0
+0+0374 <[^>]*> b 00000000 <foo>
+0+0378 <[^>]*> nop
+0+037c <[^>]*> mfhi v0
+0+0380 <[^>]*> lw at,2\(gp\)
+[ ]*380: R_MIPS_GOT16 \.text
+0+0384 <[^>]*> nop
+0+0388 <[^>]*> addiu at,at,1000
+[ ]*388: R_MIPS_LO16 \.text
+0+038c <[^>]*> jr at
+0+0390 <[^>]*> nop
+0+0394 <[^>]*> move v0,a0
+0+0398 <[^>]*> jr v0
+0+039c <[^>]*> nop
+0+03a0 <[^>]*> jr a0
+0+03a4 <[^>]*> move v0,a0
+0+03a8 <[^>]*> move v0,a0
+0+03ac <[^>]*> jalr v0
+0+03b0 <[^>]*> nop
+0+03b4 <[^>]*> jalr a0
+0+03b8 <[^>]*> move v0,a0
+0+03bc <[^>]*> move v0,ra
+0+03c0 <[^>]*> jalr v1
+0+03c4 <[^>]*> nop
+0+03c8 <[^>]*> move ra,a0
+0+03cc <[^>]*> jalr a1
+0+03d0 <[^>]*> nop
+0+03d4 <[^>]*> jalr v0,v1
+0+03d8 <[^>]*> move ra,a0
+0+03dc <[^>]*> move v0,ra
+0+03e0 <[^>]*> jalr v0,v1
+0+03e4 <[^>]*> nop
+ \.\.\.
+ \.\.\.
--- /dev/null
+#objdump: -dr --prefix-addresses -mmips:6000
+#name: MIPS2 branch relaxation with swapping
+#as: -32 -mips2 -KPIC -relax-branch
+#source: relax-swap1.s
+#stderr: relax-swap1.l
+
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+0+0000 <[^>]*> b 00000000 <foo>
+0+0004 <[^>]*> move v0,a0
+0+0008 <[^>]*> lw at,2\(gp\)
+[ ]*8: R_MIPS_GOT16 \.text
+0+000c <[^>]*> addiu at,at,876
+[ ]*c: R_MIPS_LO16 \.text
+0+0010 <[^>]*> jr at
+0+0014 <[^>]*> move v0,a0
+0+0018 <[^>]*> b 00000000 <foo>
+0+001c <[^>]*> lw v0,0\(a0\)
+0+0020 <[^>]*> lw at,2\(gp\)
+[ ]*20: R_MIPS_GOT16 \.text
+0+0024 <[^>]*> addiu at,at,876
+[ ]*24: R_MIPS_LO16 \.text
+0+0028 <[^>]*> jr at
+0+002c <[^>]*> lw v0,0\(a0\)
+0+0030 <[^>]*> b 00000000 <foo>
+0+0034 <[^>]*> sw v0,0\(a0\)
+0+0038 <[^>]*> lw at,2\(gp\)
+[ ]*38: R_MIPS_GOT16 \.text
+0+003c <[^>]*> addiu at,at,876
+[ ]*3c: R_MIPS_LO16 \.text
+0+0040 <[^>]*> jr at
+0+0044 <[^>]*> sw v0,0\(a0\)
+0+0048 <[^>]*> move v0,a0
+0+004c <[^>]*> beq v0,v1,00000000 <foo>
+0+0050 <[^>]*> nop
+0+0054 <[^>]*> move v0,a0
+0+0058 <[^>]*> bne v0,v1,0000006c <foo\+0x6c>
+0+005c <[^>]*> nop
+0+0060 <[^>]*> lw at,2\(gp\)
+[ ]*60: R_MIPS_GOT16 \.text
+0+0064 <[^>]*> addiu at,at,876
+[ ]*64: R_MIPS_LO16 \.text
+0+0068 <[^>]*> jr at
+0+006c <[^>]*> nop
+0+0070 <[^>]*> beq a0,a1,00000000 <foo>
+0+0074 <[^>]*> move v0,a0
+0+0078 <[^>]*> bne a0,a1,0000008c <foo\+0x8c>
+0+007c <[^>]*> nop
+0+0080 <[^>]*> lw at,2\(gp\)
+[ ]*80: R_MIPS_GOT16 \.text
+0+0084 <[^>]*> addiu at,at,876
+[ ]*84: R_MIPS_LO16 \.text
+0+0088 <[^>]*> jr at
+0+008c <[^>]*> move v0,a0
+0+0090 <[^>]*> addiu v0,a0,1
+0+0094 <[^>]*> beq v0,v1,00000000 <foo>
+0+0098 <[^>]*> nop
+0+009c <[^>]*> addiu v0,a0,1
+0+00a0 <[^>]*> bne v0,v1,000000b4 <foo\+0xb4>
+0+00a4 <[^>]*> nop
+0+00a8 <[^>]*> lw at,2\(gp\)
+[ ]*a8: R_MIPS_GOT16 \.text
+0+00ac <[^>]*> addiu at,at,876
+[ ]*ac: R_MIPS_LO16 \.text
+0+00b0 <[^>]*> jr at
+0+00b4 <[^>]*> nop
+0+00b8 <[^>]*> beq a0,a1,00000000 <foo>
+0+00bc <[^>]*> addiu v0,a0,1
+0+00c0 <[^>]*> bne a0,a1,000000d4 <foo\+0xd4>
+0+00c4 <[^>]*> nop
+0+00c8 <[^>]*> lw at,2\(gp\)
+[ ]*c8: R_MIPS_GOT16 \.text
+0+00cc <[^>]*> addiu at,at,876
+[ ]*cc: R_MIPS_LO16 \.text
+0+00d0 <[^>]*> jr at
+0+00d4 <[^>]*> addiu v0,a0,1
+0+00d8 <[^>]*> lw v0,0\(a0\)
+0+00dc <[^>]*> beq v0,v1,00000000 <foo>
+0+00e0 <[^>]*> nop
+0+00e4 <[^>]*> lw v0,0\(a0\)
+0+00e8 <[^>]*> bne v0,v1,000000fc <foo\+0xfc>
+0+00ec <[^>]*> nop
+0+00f0 <[^>]*> lw at,2\(gp\)
+[ ]*f0: R_MIPS_GOT16 \.text
+0+00f4 <[^>]*> addiu at,at,876
+[ ]*f4: R_MIPS_LO16 \.text
+0+00f8 <[^>]*> jr at
+0+00fc <[^>]*> nop
+0+0100 <[^>]*> beq a0,a1,00000000 <foo>
+0+0104 <[^>]*> lw v0,0\(a0\)
+0+0108 <[^>]*> bne a0,a1,0000011c <foo\+0x11c>
+0+010c <[^>]*> nop
+0+0110 <[^>]*> lw at,2\(gp\)
+[ ]*110: R_MIPS_GOT16 \.text
+0+0114 <[^>]*> addiu at,at,876
+[ ]*114: R_MIPS_LO16 \.text
+0+0118 <[^>]*> jr at
+0+011c <[^>]*> lw v0,0\(a0\)
+0+0120 <[^>]*> beq v0,v1,00000000 <foo>
+0+0124 <[^>]*> sw v0,0\(a0\)
+0+0128 <[^>]*> bne v0,v1,0000013c <foo\+0x13c>
+0+012c <[^>]*> nop
+0+0130 <[^>]*> lw at,2\(gp\)
+[ ]*130: R_MIPS_GOT16 \.text
+0+0134 <[^>]*> addiu at,at,876
+[ ]*134: R_MIPS_LO16 \.text
+0+0138 <[^>]*> jr at
+0+013c <[^>]*> sw v0,0\(a0\)
+0+0140 <[^>]*> beq a0,a1,00000000 <foo>
+0+0144 <[^>]*> sw v0,0\(a0\)
+0+0148 <[^>]*> bne a0,a1,0000015c <foo\+0x15c>
+0+014c <[^>]*> nop
+0+0150 <[^>]*> lw at,2\(gp\)
+[ ]*150: R_MIPS_GOT16 \.text
+0+0154 <[^>]*> addiu at,at,876
+[ ]*154: R_MIPS_LO16 \.text
+0+0158 <[^>]*> jr at
+0+015c <[^>]*> sw v0,0\(a0\)
+0+0160 <[^>]*> mfc1 v0,\$f0
+0+0164 <[^>]*> move a2,a3
+0+0168 <[^>]*> beq v0,v1,00000000 <foo>
+0+016c <[^>]*> nop
+0+0170 <[^>]*> mfc1 v0,\$f0
+0+0174 <[^>]*> move a2,a3
+0+0178 <[^>]*> bne v0,v1,0000018c <foo\+0x18c>
+0+017c <[^>]*> nop
+0+0180 <[^>]*> lw at,2\(gp\)
+[ ]*180: R_MIPS_GOT16 \.text
+0+0184 <[^>]*> addiu at,at,876
+[ ]*184: R_MIPS_LO16 \.text
+0+0188 <[^>]*> jr at
+0+018c <[^>]*> nop
+0+0190 <[^>]*> mfc1 v0,\$f0
+0+0194 <[^>]*> beq a0,a1,00000000 <foo>
+0+0198 <[^>]*> move a2,a3
+0+019c <[^>]*> mfc1 v0,\$f0
+0+01a0 <[^>]*> bne a0,a1,000001b4 <foo\+0x1b4>
+0+01a4 <[^>]*> nop
+0+01a8 <[^>]*> lw at,2\(gp\)
+[ ]*1a8: R_MIPS_GOT16 \.text
+0+01ac <[^>]*> addiu at,at,876
+[ ]*1ac: R_MIPS_LO16 \.text
+0+01b0 <[^>]*> jr at
+0+01b4 <[^>]*> move a2,a3
+0+01b8 <[^>]*> move v0,a0
+0+01bc <[^>]*> bc1t 00000000 <foo>
+0+01c0 <[^>]*> nop
+0+01c4 <[^>]*> move v0,a0
+0+01c8 <[^>]*> bc1f 000001dc <foo\+0x1dc>
+0+01cc <[^>]*> nop
+0+01d0 <[^>]*> lw at,2\(gp\)
+[ ]*1d0: R_MIPS_GOT16 \.text
+0+01d4 <[^>]*> addiu at,at,876
+[ ]*1d4: R_MIPS_LO16 \.text
+0+01d8 <[^>]*> jr at
+0+01dc <[^>]*> nop
+0+01e0 <[^>]*> move v0,a0
+0+01e4 <[^>]*> b 00000000 <foo>
+0+01e8 <[^>]*> nop
+0+01ec <[^>]*> move v0,a0
+0+01f0 <[^>]*> lw at,2\(gp\)
+[ ]*1f0: R_MIPS_GOT16 \.text
+0+01f4 <[^>]*> addiu at,at,876
+[ ]*1f4: R_MIPS_LO16 \.text
+0+01f8 <[^>]*> jr at
+0+01fc <[^>]*> nop
+0+0200 <[^>]*> move v0,a0
+0+0204 <[^>]*> b 00000000 <foo>
+0+0208 <[^>]*> nop
+0+020c <[^>]*> move v0,a0
+0+0210 <[^>]*> lw at,2\(gp\)
+[ ]*210: R_MIPS_GOT16 \.text
+0+0214 <[^>]*> addiu at,at,876
+[ ]*214: R_MIPS_LO16 \.text
+0+0218 <[^>]*> jr at
+0+021c <[^>]*> nop
+0+0220 <[^>]*> move a2,a3
+0+0224 <[^>]*> move v0,a0
+0+0228 <[^>]*> b 00000000 <foo>
+0+022c <[^>]*> nop
+0+0230 <[^>]*> move a2,a3
+0+0234 <[^>]*> move v0,a0
+0+0238 <[^>]*> lw at,2\(gp\)
+[ ]*238: R_MIPS_GOT16 \.text
+0+023c <[^>]*> addiu at,at,876
+[ ]*23c: R_MIPS_LO16 \.text
+0+0240 <[^>]*> jr at
+0+0244 <[^>]*> nop
+0+0248 <[^>]*> lw at,0\(gp\)
+[ ]*248: R_MIPS_GOT16 \.text
+0+024c <[^>]*> nop
+0+0250 <[^>]*> addiu at,at,600
+[ ]*250: R_MIPS_LO16 \.text
+0+0254 <[^>]*> sw v0,0\(at\)
+0+0258 <[^>]*> b 00000000 <foo>
+0+025c <[^>]*> nop
+0+0260 <[^>]*> lw at,0\(gp\)
+[ ]*260: R_MIPS_GOT16 \.text
+0+0264 <[^>]*> nop
+0+0268 <[^>]*> addiu at,at,624
+[ ]*268: R_MIPS_LO16 \.text
+0+026c <[^>]*> sw v0,0\(at\)
+0+0270 <[^>]*> lw at,2\(gp\)
+[ ]*270: R_MIPS_GOT16 \.text
+0+0274 <[^>]*> addiu at,at,876
+[ ]*274: R_MIPS_LO16 \.text
+0+0278 <[^>]*> jr at
+0+027c <[^>]*> nop
+0+0280 <[^>]*> b 00000000 <foo>
+0+0284 <[^>]*> lwc1 \$f0,0\(a0\)
+0+0288 <[^>]*> lw at,2\(gp\)
+[ ]*288: R_MIPS_GOT16 \.text
+0+028c <[^>]*> addiu at,at,876
+[ ]*28c: R_MIPS_LO16 \.text
+0+0290 <[^>]*> jr at
+0+0294 <[^>]*> lwc1 \$f0,0\(a0\)
+0+0298 <[^>]*> cfc1 v0,\$31
+0+029c <[^>]*> b 00000000 <foo>
+0+02a0 <[^>]*> nop
+0+02a4 <[^>]*> cfc1 v0,\$31
+0+02a8 <[^>]*> lw at,2\(gp\)
+[ ]*2a8: R_MIPS_GOT16 \.text
+0+02ac <[^>]*> addiu at,at,876
+[ ]*2ac: R_MIPS_LO16 \.text
+0+02b0 <[^>]*> jr at
+0+02b4 <[^>]*> nop
+0+02b8 <[^>]*> ctc1 v0,\$31
+0+02bc <[^>]*> b 00000000 <foo>
+0+02c0 <[^>]*> nop
+0+02c4 <[^>]*> ctc1 v0,\$31
+0+02c8 <[^>]*> lw at,2\(gp\)
+[ ]*2c8: R_MIPS_GOT16 \.text
+0+02cc <[^>]*> addiu at,at,876
+[ ]*2cc: R_MIPS_LO16 \.text
+0+02d0 <[^>]*> jr at
+0+02d4 <[^>]*> nop
+0+02d8 <[^>]*> mtc1 v0,\$f31
+0+02dc <[^>]*> b 00000000 <foo>
+0+02e0 <[^>]*> nop
+0+02e4 <[^>]*> mtc1 v0,\$f31
+0+02e8 <[^>]*> lw at,2\(gp\)
+[ ]*2e8: R_MIPS_GOT16 \.text
+0+02ec <[^>]*> addiu at,at,876
+[ ]*2ec: R_MIPS_LO16 \.text
+0+02f0 <[^>]*> jr at
+0+02f4 <[^>]*> nop
+0+02f8 <[^>]*> mfhi v0
+0+02fc <[^>]*> b 00000000 <foo>
+0+0300 <[^>]*> nop
+0+0304 <[^>]*> mfhi v0
+0+0308 <[^>]*> lw at,2\(gp\)
+[ ]*308: R_MIPS_GOT16 \.text
+0+030c <[^>]*> addiu at,at,876
+[ ]*30c: R_MIPS_LO16 \.text
+0+0310 <[^>]*> jr at
+0+0314 <[^>]*> nop
+0+0318 <[^>]*> move v0,a0
+0+031c <[^>]*> jr v0
+0+0320 <[^>]*> nop
+0+0324 <[^>]*> jr a0
+0+0328 <[^>]*> move v0,a0
+0+032c <[^>]*> move v0,a0
+0+0330 <[^>]*> jalr v0
+0+0334 <[^>]*> nop
+0+0338 <[^>]*> jalr a0
+0+033c <[^>]*> move v0,a0
+0+0340 <[^>]*> move v0,ra
+0+0344 <[^>]*> jalr v1
+0+0348 <[^>]*> nop
+0+034c <[^>]*> move ra,a0
+0+0350 <[^>]*> jalr a1
+0+0354 <[^>]*> nop
+0+0358 <[^>]*> jalr v0,v1
+0+035c <[^>]*> move ra,a0
+0+0360 <[^>]*> move v0,ra
+0+0364 <[^>]*> jalr v0,v1
+0+0368 <[^>]*> nop
+ \.\.\.
+0+2036c <[^>]*> nop
--- /dev/null
+.*: Assembler messages:
+.*:9: Warning: relaxed out-of-range branch into a jump
+.*:14: Warning: relaxed out-of-range branch into a jump
+.*:19: Warning: relaxed out-of-range branch into a jump
+.*:24: Warning: relaxed out-of-range branch into a jump
+.*:28: Warning: relaxed out-of-range branch into a jump
+.*:33: Warning: relaxed out-of-range branch into a jump
+.*:37: Warning: relaxed out-of-range branch into a jump
+.*:42: Warning: relaxed out-of-range branch into a jump
+.*:46: Warning: relaxed out-of-range branch into a jump
+.*:51: Warning: relaxed out-of-range branch into a jump
+.*:55: Warning: relaxed out-of-range branch into a jump
+.*:62: Warning: relaxed out-of-range branch into a jump
+.*:68: Warning: relaxed out-of-range branch into a jump
+.*:73: Warning: relaxed out-of-range branch into a jump
+.*:79: Warning: relaxed out-of-range branch into a jump
+.*:85: Warning: relaxed out-of-range branch into a jump
+.*:96: Warning: relaxed out-of-range branch into a jump
+.*:101: Warning: relaxed out-of-range branch into a jump
+.*:106: Warning: relaxed out-of-range branch into a jump
+.*:111: Warning: relaxed out-of-range branch into a jump
+.*:116: Warning: relaxed out-of-range branch into a jump
+.*:121: Warning: relaxed out-of-range branch into a jump
+.*:126: Warning: relaxed out-of-range branch into a jump
--- /dev/null
+# Source file used to test branch relaxation with swapping.
+
+ .text
+foo:
+
+ move $2, $4
+ b foo
+ move $2, $4
+ b bar
+
+ lw $2, ($4)
+ b foo
+ lw $2, ($4)
+ b bar
+
+ sw $2, ($4)
+ b foo
+ sw $2, ($4)
+ b bar
+
+ move $2, $4
+ beq $2, $3, foo
+ move $2, $4
+ beq $2, $3, bar
+ move $2, $4
+ beq $4, $5, foo
+ move $2, $4
+ beq $4, $5, bar
+
+ addiu $2, $4, 1
+ beq $2, $3, foo
+ addiu $2, $4, 1
+ beq $2, $3, bar
+ addiu $2, $4, 1
+ beq $4, $5, foo
+ addiu $2, $4, 1
+ beq $4, $5, bar
+
+ lw $2, ($4)
+ beq $2, $3, foo
+ lw $2, ($4)
+ beq $2, $3, bar
+ lw $2, ($4)
+ beq $4, $5, foo
+ lw $2, ($4)
+ beq $4, $5, bar
+
+ sw $2, ($4)
+ beq $2, $3, foo
+ sw $2, ($4)
+ beq $2, $3, bar
+ sw $2, ($4)
+ beq $4, $5, foo
+ sw $2, ($4)
+ beq $4, $5, bar
+
+ mfc1 $2, $0
+ move $6, $7
+ beq $2, $3, foo
+ mfc1 $2, $0
+ move $6, $7
+ beq $2, $3, bar
+ mfc1 $2, $0
+ move $6, $7
+ beq $4, $5, foo
+ mfc1 $2, $0
+ move $6, $7
+ beq $4, $5, bar
+
+ move $2, $4
+ bc1t foo
+ move $2, $4
+ bc1t bar
+
+ .set nomove
+ move $2, $4
+ b foo
+ move $2, $4
+ b bar
+ .set move
+
+ move $2, $4
+0: b foo
+ move $2, $4
+0: b bar
+
+ .set noreorder
+ move $6, $7
+ .set reorder
+ move $2, $4
+ b foo
+ .set noreorder
+ move $6, $7
+ .set reorder
+ move $2, $4
+ b bar
+
+ sw $2, 0f
+0: b foo
+ sw $2, 0f
+0: b bar
+
+ lwc1 $0, ($4)
+ b foo
+ lwc1 $0, ($4)
+ b bar
+
+ cfc1 $2, $31
+ b foo
+ cfc1 $2, $31
+ b bar
+
+ ctc1 $2, $31
+ b foo
+ ctc1 $2, $31
+ b bar
+
+ mtc1 $2, $31
+ b foo
+ mtc1 $2, $31
+ b bar
+
+ mfhi $2
+ b foo
+ mfhi $2
+ b bar
+
+ move $2, $4
+ jr $2
+ move $2, $4
+ jr $4
+
+ move $2, $4
+ jalr $2
+ move $2, $4
+ jalr $4
+
+ move $2, $31
+ jalr $3
+ move $31, $4
+ jalr $5
+
+ move $31, $4
+ jalr $2, $3
+ move $2, $31
+ jalr $2, $3
+
+ .space 0x20000 # to make a 128kb loop body
+bar:
--- /dev/null
+#objdump: -dr --prefix-addresses -mmips:6000
+#name: MIPS2 branch likely relaxation with swapping
+#as: -32 -mips2 -KPIC -relax-branch
+#source: relax-swap2.s
+#stderr: relax-swap2.l
+
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+0+0000 <[^>]*> move v0,a0
+0+0004 <[^>]*> beql v0,v1,00000000 <foo>
+0+0008 <[^>]*> nop
+0+000c <[^>]*> move v0,a0
+0+0010 <[^>]*> beql v0,v1,00000020 <foo\+0x20>
+0+0014 <[^>]*> nop
+0+0018 <[^>]*> beqzl zero,00000030 <foo\+0x30>
+0+001c <[^>]*> nop
+0+0020 <[^>]*> lw at,2\(gp\)
+[ ]*20: R_MIPS_GOT16 \.text
+0+0024 <[^>]*> addiu at,at,424
+[ ]*24: R_MIPS_LO16 \.text
+0+0028 <[^>]*> jr at
+0+002c <[^>]*> nop
+0+0030 <[^>]*> move v0,a0
+0+0034 <[^>]*> beql a0,a1,00000000 <foo>
+0+0038 <[^>]*> nop
+0+003c <[^>]*> move v0,a0
+0+0040 <[^>]*> beql a0,a1,00000050 <foo\+0x50>
+0+0044 <[^>]*> nop
+0+0048 <[^>]*> beqzl zero,00000060 <foo\+0x60>
+0+004c <[^>]*> nop
+0+0050 <[^>]*> lw at,2\(gp\)
+[ ]*50: R_MIPS_GOT16 \.text
+0+0054 <[^>]*> addiu at,at,424
+[ ]*54: R_MIPS_LO16 \.text
+0+0058 <[^>]*> jr at
+0+005c <[^>]*> nop
+0+0060 <[^>]*> addiu v0,a0,1
+0+0064 <[^>]*> beql v0,v1,00000000 <foo>
+0+0068 <[^>]*> nop
+0+006c <[^>]*> addiu v0,a0,1
+0+0070 <[^>]*> beql v0,v1,00000080 <foo\+0x80>
+0+0074 <[^>]*> nop
+0+0078 <[^>]*> beqzl zero,00000090 <foo\+0x90>
+0+007c <[^>]*> nop
+0+0080 <[^>]*> lw at,2\(gp\)
+[ ]*80: R_MIPS_GOT16 \.text
+0+0084 <[^>]*> addiu at,at,424
+[ ]*84: R_MIPS_LO16 \.text
+0+0088 <[^>]*> jr at
+0+008c <[^>]*> nop
+0+0090 <[^>]*> addiu v0,a0,1
+0+0094 <[^>]*> beql a0,a1,00000000 <foo>
+0+0098 <[^>]*> nop
+0+009c <[^>]*> addiu v0,a0,1
+0+00a0 <[^>]*> beql a0,a1,000000b0 <foo\+0xb0>
+0+00a4 <[^>]*> nop
+0+00a8 <[^>]*> beqzl zero,000000c0 <foo\+0xc0>
+0+00ac <[^>]*> nop
+0+00b0 <[^>]*> lw at,2\(gp\)
+[ ]*b0: R_MIPS_GOT16 \.text
+0+00b4 <[^>]*> addiu at,at,424
+[ ]*b4: R_MIPS_LO16 \.text
+0+00b8 <[^>]*> jr at
+0+00bc <[^>]*> nop
+0+00c0 <[^>]*> lw v0,0\(a0\)
+0+00c4 <[^>]*> beql v0,v1,00000000 <foo>
+0+00c8 <[^>]*> nop
+0+00cc <[^>]*> lw v0,0\(a0\)
+0+00d0 <[^>]*> beql v0,v1,000000e0 <foo\+0xe0>
+0+00d4 <[^>]*> nop
+0+00d8 <[^>]*> beqzl zero,000000f0 <foo\+0xf0>
+0+00dc <[^>]*> nop
+0+00e0 <[^>]*> lw at,2\(gp\)
+[ ]*e0: R_MIPS_GOT16 \.text
+0+00e4 <[^>]*> addiu at,at,424
+[ ]*e4: R_MIPS_LO16 \.text
+0+00e8 <[^>]*> jr at
+0+00ec <[^>]*> nop
+0+00f0 <[^>]*> lw v0,0\(a0\)
+0+00f4 <[^>]*> beql a0,a1,00000000 <foo>
+0+00f8 <[^>]*> nop
+0+00fc <[^>]*> lw v0,0\(a0\)
+0+0100 <[^>]*> beql a0,a1,00000110 <foo\+0x110>
+0+0104 <[^>]*> nop
+0+0108 <[^>]*> beqzl zero,00000120 <foo\+0x120>
+0+010c <[^>]*> nop
+0+0110 <[^>]*> lw at,2\(gp\)
+[ ]*110: R_MIPS_GOT16 \.text
+0+0114 <[^>]*> addiu at,at,424
+[ ]*114: R_MIPS_LO16 \.text
+0+0118 <[^>]*> jr at
+0+011c <[^>]*> nop
+0+0120 <[^>]*> sw v0,0\(a0\)
+0+0124 <[^>]*> beql v0,v1,00000000 <foo>
+0+0128 <[^>]*> nop
+0+012c <[^>]*> sw v0,0\(a0\)
+0+0130 <[^>]*> beql v0,v1,00000140 <foo\+0x140>
+0+0134 <[^>]*> nop
+0+0138 <[^>]*> beqzl zero,00000150 <foo\+0x150>
+0+013c <[^>]*> nop
+0+0140 <[^>]*> lw at,2\(gp\)
+[ ]*140: R_MIPS_GOT16 \.text
+0+0144 <[^>]*> addiu at,at,424
+[ ]*144: R_MIPS_LO16 \.text
+0+0148 <[^>]*> jr at
+0+014c <[^>]*> nop
+0+0150 <[^>]*> sw v0,0\(a0\)
+0+0154 <[^>]*> beql a0,a1,00000000 <foo>
+0+0158 <[^>]*> nop
+0+015c <[^>]*> sw v0,0\(a0\)
+0+0160 <[^>]*> beql a0,a1,00000170 <foo\+0x170>
+0+0164 <[^>]*> nop
+0+0168 <[^>]*> beqzl zero,00000180 <foo\+0x180>
+0+016c <[^>]*> nop
+0+0170 <[^>]*> lw at,2\(gp\)
+[ ]*170: R_MIPS_GOT16 \.text
+0+0174 <[^>]*> addiu at,at,424
+[ ]*174: R_MIPS_LO16 \.text
+0+0178 <[^>]*> jr at
+0+017c <[^>]*> nop
+0+0180 <[^>]*> teq v0,a0
+0+0184 <[^>]*> beq a0,a1,00000000 <foo>
+0+0188 <[^>]*> nop
+0+018c <[^>]*> teq v0,a0
+0+0190 <[^>]*> bne a0,a1,000001a4 <foo\+0x1a4>
+0+0194 <[^>]*> nop
+0+0198 <[^>]*> lw at,2\(gp\)
+[ ]*198: R_MIPS_GOT16 \.text
+0+019c <[^>]*> addiu at,at,424
+[ ]*19c: R_MIPS_LO16 \.text
+0+01a0 <[^>]*> jr at
+0+01a4 <[^>]*> nop
+ \.\.\.
+ \.\.\.
--- /dev/null
+.*: Assembler messages:
+.*:9: Warning: relaxed out-of-range branch into a jump
+.*:13: Warning: relaxed out-of-range branch into a jump
+.*:18: Warning: relaxed out-of-range branch into a jump
+.*:22: Warning: relaxed out-of-range branch into a jump
+.*:27: Warning: relaxed out-of-range branch into a jump
+.*:31: Warning: relaxed out-of-range branch into a jump
+.*:36: Warning: relaxed out-of-range branch into a jump
+.*:40: Warning: relaxed out-of-range branch into a jump
+.*:45: Warning: relaxed out-of-range branch into a jump
--- /dev/null
+# Source file used to test branch likely relaxation with swapping.
+
+ .text
+foo:
+
+ move $2, $4
+ beql $2, $3, foo
+ move $2, $4
+ beql $2, $3, bar
+ move $2, $4
+ beql $4, $5, foo
+ move $2, $4
+ beql $4, $5, bar
+
+ addiu $2, $4, 1
+ beql $2, $3, foo
+ addiu $2, $4, 1
+ beql $2, $3, bar
+ addiu $2, $4, 1
+ beql $4, $5, foo
+ addiu $2, $4, 1
+ beql $4, $5, bar
+
+ lw $2, ($4)
+ beql $2, $3, foo
+ lw $2, ($4)
+ beql $2, $3, bar
+ lw $2, ($4)
+ beql $4, $5, foo
+ lw $2, ($4)
+ beql $4, $5, bar
+
+ sw $2, ($4)
+ beql $2, $3, foo
+ sw $2, ($4)
+ beql $2, $3, bar
+ sw $2, ($4)
+ beql $4, $5, foo
+ sw $2, ($4)
+ beql $4, $5, bar
+
+ teq $2, $4
+ beq $4, $5, foo
+ teq $2, $4
+ beq $4, $5, bar
+
+ .space 0x20000 # to make a 128kb loop body
+bar:
projects / binutils-gdb.git / commitdiff