gas/
* 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. gas/testsuite/ * 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.
This commit is contained in:
Maciej W. Rozycki
parent
63d06c5c42
commit
895921c97e
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@ -1,3 +1,9 @@
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2004-01-14 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
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* config/tc-mips.c (append_insn): Properly detect variant frags
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that preclude swapping of relaxed branches. Correctly swap
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instructions between frags when dealing with relaxed branches.
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2004-01-14 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
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* acinclude.m4: Quote names of macros to be defined by AC_DEFUN
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@ -1539,6 +1539,8 @@ append_insn (char *place, struct mips_cl_insn *ip, expressionS *address_expr,
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char *f;
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fixS *fixp[3];
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int nops = 0;
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relax_stateT prev_insn_frag_type = 0;
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bfd_boolean relaxed_branch = FALSE;
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bfd_boolean force_new_frag = FALSE;
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/* Mark instruction labels in mips16 mode. */
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@ -1919,6 +1921,10 @@ append_insn (char *place, struct mips_cl_insn *ip, expressionS *address_expr,
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}
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}
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/* Record the frag type before frag_var. */
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if (prev_insn_frag)
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prev_insn_frag_type = prev_insn_frag->fr_type;
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if (place == NULL
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&& address_expr
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&& *reloc_type == BFD_RELOC_16_PCREL_S2
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@ -1932,6 +1938,7 @@ append_insn (char *place, struct mips_cl_insn *ip, expressionS *address_expr,
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&& !(mips_opts.noat && mips_pic != NO_PIC)
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&& !mips_opts.mips16)
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{
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relaxed_branch = TRUE;
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f = frag_var (rs_machine_dependent,
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relaxed_branch_length
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(NULL, NULL,
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@ -2262,12 +2269,12 @@ append_insn (char *place, struct mips_cl_insn *ip, expressionS *address_expr,
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there are any branches to anything other than a
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label, users must use .set noreorder. */
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|| insn_labels != NULL
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/* If the previous instruction is in a variant frag, we
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can not do the swap. This does not apply to the
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mips16, which uses variant frags for different
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purposes. */
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/* If the previous instruction is in a variant frag
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other than this branch's one, we cannot do the swap.
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This does not apply to the mips16, which uses variant
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frags for different purposes. */
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|| (! mips_opts.mips16
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&& prev_insn_frag->fr_type == rs_machine_dependent)
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&& prev_insn_frag_type == rs_machine_dependent)
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/* If the branch reads the condition codes, we don't
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even try to swap, because in the sequence
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ctc1 $X,$31
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@ -2452,9 +2459,29 @@ append_insn (char *place, struct mips_cl_insn *ip, expressionS *address_expr,
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char temp[4];
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prev_f = prev_insn_frag->fr_literal + prev_insn_where;
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if (!relaxed_branch)
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{
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/* If this is not a relaxed branch, then just
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swap the instructions. */
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memcpy (temp, prev_f, 4);
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memcpy (prev_f, f, 4);
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memcpy (f, temp, 4);
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}
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else
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{
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/* If this is a relaxed branch, then we move the
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instruction to be placed in the delay slot to
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the current frag, shrinking the fixed part of
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the originating frag. If the branch occupies
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the tail of the latter, we move it backwards,
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into the space freed by the moved instruction. */
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f = frag_more (4);
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memcpy (f, prev_f, 4);
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prev_insn_frag->fr_fix -= 4;
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if (prev_insn_frag->fr_type == rs_machine_dependent)
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memmove (prev_f, prev_f + 4, prev_insn_frag->fr_var);
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}
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if (prev_insn_fixp[0])
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{
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prev_insn_fixp[0]->fx_frag = frag_now;
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@ -2482,6 +2509,9 @@ append_insn (char *place, struct mips_cl_insn *ip, expressionS *address_expr,
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frag. */
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force_new_frag = TRUE;
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}
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if (!relaxed_branch)
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{
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if (fixp[0])
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{
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fixp[0]->fx_frag = prev_insn_frag;
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@ -2498,6 +2528,16 @@ append_insn (char *place, struct mips_cl_insn *ip, expressionS *address_expr,
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fixp[2]->fx_where = prev_insn_where;
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}
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}
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else if (prev_insn_frag->fr_type == rs_machine_dependent)
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{
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if (fixp[0])
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fixp[0]->fx_where -= 4;
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if (fixp[1])
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fixp[1]->fx_where -= 4;
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if (fixp[2])
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fixp[2]->fx_where -= 4;
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}
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}
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else
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{
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char *prev_f;
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@ -1,3 +1,17 @@
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2004-01-14 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
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* gas/mips/relax-swap1-mips1.d: New test for branch relaxation
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with swapping for MIPS1.
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* gas/mips/relax-swap1-mips2.d: New test for branch relaxation
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with swapping for MIPS2.
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* gas/mips/relax-swap1.l: Stderr output for the new tests.
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* gas/mips/relax-swap1.s: Source for the new tests.
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* gas/mips/relax-swap2.d: New test for branch likely relaxation
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with swapping.
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* gas/mips/relax-swap2.l: Stderr output for the new test.
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* gas/mips/relax-swap2.s: Source for the new test.
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* gas/mips/mips.exp: Run the new tests.
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2004-01-13 Ian Lance Taylor <ian@wasabisystems.com>
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* gas/mips/mips16-64.d: New test.
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@ -589,6 +589,9 @@ if { [istarget mips*-*-*] } then {
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}
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run_dump_test "relax"
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run_dump_test "relax-swap1-mips1"
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run_dump_test "relax-swap1-mips2"
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run_dump_test "relax-swap2"
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run_list_test "illegal" "-32"
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run_list_test "baddata1" "-32"
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@ -0,0 +1,311 @@
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#objdump: -dr --prefix-addresses -mmips:3000
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#name: MIPS1 branch relaxation with swapping
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#as: -32 -mips1 -KPIC -relax-branch
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#source: relax-swap1.s
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#stderr: relax-swap1.l
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.*: +file format .*mips.*
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Disassembly of section \.text:
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0+0000 <[^>]*> b 00000000 <foo>
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0+0004 <[^>]*> move v0,a0
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0+0008 <[^>]*> lw at,2\(gp\)
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[ ]*8: R_MIPS_GOT16 \.text
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0+000c <[^>]*> nop
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0+0010 <[^>]*> addiu at,at,1000
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[ ]*10: R_MIPS_LO16 \.text
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0+0014 <[^>]*> jr at
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0+0018 <[^>]*> move v0,a0
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0+001c <[^>]*> lw v0,0\(a0\)
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0+0020 <[^>]*> b 00000000 <foo>
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0+0024 <[^>]*> nop
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0+0028 <[^>]*> lw v0,0\(a0\)
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0+002c <[^>]*> lw at,2\(gp\)
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[ ]*2c: R_MIPS_GOT16 \.text
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0+0030 <[^>]*> nop
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0+0034 <[^>]*> addiu at,at,1000
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[ ]*34: R_MIPS_LO16 \.text
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0+0038 <[^>]*> jr at
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0+003c <[^>]*> nop
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0+0040 <[^>]*> b 00000000 <foo>
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0+0044 <[^>]*> sw v0,0\(a0\)
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0+0048 <[^>]*> lw at,2\(gp\)
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[ ]*48: R_MIPS_GOT16 \.text
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0+004c <[^>]*> nop
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0+0050 <[^>]*> addiu at,at,1000
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[ ]*50: R_MIPS_LO16 \.text
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0+0054 <[^>]*> jr at
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0+0058 <[^>]*> sw v0,0\(a0\)
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0+005c <[^>]*> move v0,a0
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0+0060 <[^>]*> beq v0,v1,00000000 <foo>
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0+0064 <[^>]*> nop
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0+0068 <[^>]*> move v0,a0
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0+006c <[^>]*> bne v0,v1,00000084 <foo\+0x84>
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0+0070 <[^>]*> nop
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0+0074 <[^>]*> lw at,2\(gp\)
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[ ]*74: R_MIPS_GOT16 \.text
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0+0078 <[^>]*> nop
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0+007c <[^>]*> addiu at,at,1000
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[ ]*7c: R_MIPS_LO16 \.text
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0+0080 <[^>]*> jr at
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0+0084 <[^>]*> nop
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0+0088 <[^>]*> beq a0,a1,00000000 <foo>
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0+008c <[^>]*> move v0,a0
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0+0090 <[^>]*> bne a0,a1,000000a8 <foo\+0xa8>
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0+0094 <[^>]*> nop
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0+0098 <[^>]*> lw at,2\(gp\)
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[ ]*98: R_MIPS_GOT16 \.text
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0+009c <[^>]*> nop
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0+00a0 <[^>]*> addiu at,at,1000
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[ ]*a0: R_MIPS_LO16 \.text
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0+00a4 <[^>]*> jr at
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0+00a8 <[^>]*> move v0,a0
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0+00ac <[^>]*> addiu v0,a0,1
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0+00b0 <[^>]*> beq v0,v1,00000000 <foo>
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0+00b4 <[^>]*> nop
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0+00b8 <[^>]*> addiu v0,a0,1
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0+00bc <[^>]*> bne v0,v1,000000d4 <foo\+0xd4>
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0+00c0 <[^>]*> nop
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0+00c4 <[^>]*> lw at,2\(gp\)
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[ ]*c4: R_MIPS_GOT16 \.text
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0+00c8 <[^>]*> nop
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0+00cc <[^>]*> addiu at,at,1000
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[ ]*cc: R_MIPS_LO16 \.text
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0+00d0 <[^>]*> jr at
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0+00d4 <[^>]*> nop
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0+00d8 <[^>]*> beq a0,a1,00000000 <foo>
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0+00dc <[^>]*> addiu v0,a0,1
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0+00e0 <[^>]*> bne a0,a1,000000f8 <foo\+0xf8>
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0+00e4 <[^>]*> nop
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0+00e8 <[^>]*> lw at,2\(gp\)
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[ ]*e8: R_MIPS_GOT16 \.text
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0+00ec <[^>]*> nop
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0+00f0 <[^>]*> addiu at,at,1000
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[ ]*f0: R_MIPS_LO16 \.text
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0+00f4 <[^>]*> jr at
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0+00f8 <[^>]*> addiu v0,a0,1
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0+00fc <[^>]*> lw v0,0\(a0\)
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0+0100 <[^>]*> nop
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0+0104 <[^>]*> beq v0,v1,00000000 <foo>
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0+0108 <[^>]*> nop
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0+010c <[^>]*> lw v0,0\(a0\)
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0+0110 <[^>]*> nop
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0+0114 <[^>]*> bne v0,v1,0000012c <foo\+0x12c>
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0+0118 <[^>]*> nop
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0+011c <[^>]*> lw at,2\(gp\)
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[ ]*11c: R_MIPS_GOT16 \.text
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0+0120 <[^>]*> nop
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0+0124 <[^>]*> addiu at,at,1000
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[ ]*124: R_MIPS_LO16 \.text
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0+0128 <[^>]*> jr at
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0+012c <[^>]*> nop
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0+0130 <[^>]*> lw v0,0\(a0\)
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0+0134 <[^>]*> beq a0,a1,00000000 <foo>
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0+0138 <[^>]*> nop
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0+013c <[^>]*> lw v0,0\(a0\)
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0+0140 <[^>]*> bne a0,a1,00000158 <foo\+0x158>
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0+0144 <[^>]*> nop
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0+0148 <[^>]*> lw at,2\(gp\)
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[ ]*148: R_MIPS_GOT16 \.text
|
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0+014c <[^>]*> nop
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0+0150 <[^>]*> addiu at,at,1000
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[ ]*150: R_MIPS_LO16 \.text
|
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0+0154 <[^>]*> jr at
|
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0+0158 <[^>]*> nop
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0+015c <[^>]*> beq v0,v1,00000000 <foo>
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0+0160 <[^>]*> sw v0,0\(a0\)
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0+0164 <[^>]*> bne v0,v1,0000017c <foo\+0x17c>
|
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0+0168 <[^>]*> nop
|
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0+016c <[^>]*> lw at,2\(gp\)
|
||||
[ ]*16c: R_MIPS_GOT16 \.text
|
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0+0170 <[^>]*> nop
|
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0+0174 <[^>]*> addiu at,at,1000
|
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[ ]*174: R_MIPS_LO16 \.text
|
||||
0+0178 <[^>]*> jr at
|
||||
0+017c <[^>]*> sw v0,0\(a0\)
|
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0+0180 <[^>]*> beq a0,a1,00000000 <foo>
|
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0+0184 <[^>]*> sw v0,0\(a0\)
|
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0+0188 <[^>]*> bne a0,a1,000001a0 <foo\+0x1a0>
|
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0+018c <[^>]*> nop
|
||||
0+0190 <[^>]*> lw at,2\(gp\)
|
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[ ]*190: R_MIPS_GOT16 \.text
|
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0+0194 <[^>]*> nop
|
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0+0198 <[^>]*> addiu at,at,1000
|
||||
[ ]*198: R_MIPS_LO16 \.text
|
||||
0+019c <[^>]*> jr at
|
||||
0+01a0 <[^>]*> sw v0,0\(a0\)
|
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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
|
||||
\.\.\.
|
||||
\.\.\.
|
||||
|
|
@ -0,0 +1,280 @@
|
|||
#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
|
||||
|
|
@ -0,0 +1,24 @@
|
|||
.*: 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
|
||||
|
|
@ -0,0 +1,149 @@
|
|||
# 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:
|
||||
|
|
@ -0,0 +1,135 @@
|
|||
#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
|
||||
\.\.\.
|
||||
\.\.\.
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
.*: 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
|
||||
|
|
@ -0,0 +1,48 @@
|
|||
# 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:
|
||||
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Reference in New Issue