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* mips-opc.c (mips_builtin_opcodes): Correct register use
	annotation of "alnv.ps".

	gas/testsuite/
	* gas/mips/alnv_ps-swap.d: New test for ALNV.PS instruction
	branch swapping.
	* gas/mips/alnv_ps-swap.s: Source for the new test.
	* gas/mips/mips.exp: Run the new test.
This commit is contained in:
Maciej W. Rozycki 2011-02-28 16:34:39 +00:00
parent d455268f73
commit 0067d8fc73
6 changed files with 88 additions and 1 deletions
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7
gas/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2011-02-28 Maciej W. Rozycki <macro@codesourcery.com>
* gas/mips/alnv_ps-swap.d: New test for ALNV.PS instruction
branch swapping.
* gas/mips/alnv_ps-swap.s: Source for the new test.
* gas/mips/mips.exp: Run the new test.
2011-02-28 Maciej W. Rozycki <macro@codesourcery.com>
* gas/mips/relax-bposge.l: New test for DSP branch relaxation.

39
gas/testsuite/gas/mips/alnv_ps-swap.d Normal file
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@ -0,0 +1,39 @@
#objdump: -dr --prefix-addresses --show-raw-insn
#name: MIPS ALNV.PS instruction branch swapping
#as: -32
# Check that a register dependency between ALNV.PS and the following
# branch prevents from branch swapping.
.*: +file format .*mips.*
Disassembly of section \.text:
[0-9a-f]+ <[^>]*> 1000ffff b 0+0000 <foo>
[0-9a-f]+ <[^>]*> 4c60111e alnv\.ps \$f4,\$f2,\$f0,v1
[0-9a-f]+ <[^>]*> 0411fffd bal 0+0000 <foo>
[0-9a-f]+ <[^>]*> 4c60111e alnv\.ps \$f4,\$f2,\$f0,v1
[0-9a-f]+ <[^>]*> 0470fffb bltzal v1,0+0000 <foo>
[0-9a-f]+ <[^>]*> 4c60111e alnv\.ps \$f4,\$f2,\$f0,v1
[0-9a-f]+ <[^>]*> 0060f809 jalr v1
[0-9a-f]+ <[^>]*> 4c60111e alnv\.ps \$f4,\$f2,\$f0,v1
[0-9a-f]+ <[^>]*> 00602009 jalr a0,v1
[0-9a-f]+ <[^>]*> 4c60111e alnv\.ps \$f4,\$f2,\$f0,v1
[0-9a-f]+ <[^>]*> 4c60111e alnv\.ps \$f4,\$f2,\$f0,v1
[0-9a-f]+ <[^>]*> 03e01809 jalr v1,ra
[0-9a-f]+ <[^>]*> 00000000 nop
[0-9a-f]+ <[^>]*> 1000fff2 b 0+0000 <foo>
[0-9a-f]+ <[^>]*> 4fe0111e alnv\.ps \$f4,\$f2,\$f0,ra
[0-9a-f]+ <[^>]*> 4fe0111e alnv\.ps \$f4,\$f2,\$f0,ra
[0-9a-f]+ <[^>]*> 0411ffef bal 0+0000 <foo>
[0-9a-f]+ <[^>]*> 00000000 nop
[0-9a-f]+ <[^>]*> 4fe0111e alnv\.ps \$f4,\$f2,\$f0,ra
[0-9a-f]+ <[^>]*> 0470ffec bltzal v1,0+0000 <foo>
[0-9a-f]+ <[^>]*> 00000000 nop
[0-9a-f]+ <[^>]*> 4fe0111e alnv\.ps \$f4,\$f2,\$f0,ra
[0-9a-f]+ <[^>]*> 0060f809 jalr v1
[0-9a-f]+ <[^>]*> 00000000 nop
[0-9a-f]+ <[^>]*> 00602009 jalr a0,v1
[0-9a-f]+ <[^>]*> 4fe0111e alnv\.ps \$f4,\$f2,\$f0,ra
[0-9a-f]+ <[^>]*> 03e01809 jalr v1,ra
[0-9a-f]+ <[^>]*> 4fe0111e alnv\.ps \$f4,\$f2,\$f0,ra
\.\.\.

33
gas/testsuite/gas/mips/alnv_ps-swap.s Normal file
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@ -0,0 +1,33 @@
# Source file to test branch swapping with the ALNV.PS instruction.
.text
foo:
alnv.ps $f4, $f2, $f0, $3
b foo
alnv.ps $f4, $f2, $f0, $3
bal foo
alnv.ps $f4, $f2, $f0, $3
bltzal $3, foo
alnv.ps $f4, $f2, $f0, $3
jalr $3
alnv.ps $f4, $f2, $f0, $3
jalr $4, $3
alnv.ps $f4, $f2, $f0, $3
jalr $3, $31
alnv.ps $f4, $f2, $f0, $31
b foo
alnv.ps $f4, $f2, $f0, $31
bal foo
alnv.ps $f4, $f2, $f0, $31
bltzal $3, foo
alnv.ps $f4, $f2, $f0, $31
jalr $3
alnv.ps $f4, $f2, $f0, $31
jalr $4, $3
alnv.ps $f4, $f2, $f0, $31
jalr $3, $31
# Force at least 8 (non-delay-slot) zero bytes, to make 'objdump' print ...
.align 2
.space 8

3
gas/testsuite/gas/mips/mips.exp
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@ -979,6 +979,9 @@ if { [istarget mips*-*-vxworks*] } {
run_dump_test "mips32-sync"
run_dump_test_arches "mips32r2-sync" \
[mips_arch_list_matching mips32r2]
run_dump_test_arches "alnv_ps-swap" [lsort -dictionary -unique [concat \
[mips_arch_list_matching mips5] \
[mips_arch_list_matching mips32r2] ] ]
if $has_newabi { run_dump_test "cfi-n64-1" }
}

5
opcodes/ChangeLog
View File

@ -1,3 +1,8 @@
2011-02-28 Maciej W. Rozycki <macro@codesourcery.com>
* mips-opc.c (mips_builtin_opcodes): Correct register use
annotation of "alnv.ps".
2011-02-28 Maciej W. Rozycki <macro@codesourcery.com>
* mips-opc.c (mips_builtin_opcodes): Add "pref" macro.

2
opcodes/mips-opc.c
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@ -297,7 +297,7 @@ const struct mips_opcode mips_builtin_opcodes[] =
{"alni.ob", "X,Y,Z,O", 0x78000018, 0xff00003f, WR_D|RD_S|RD_T|FP_D, 0, MX|SB1 },
{"alni.ob", "D,S,T,%", 0x48000018, 0xff00003f, WR_D|RD_S|RD_T, 0, N54 },
{"alni.qh", "X,Y,Z,O", 0x7800001a, 0xff00003f, WR_D|RD_S|RD_T|FP_D, 0, MX },
{"alnv.ps", "D,V,T,s", 0x4c00001e, 0xfc00003f, WR_D|RD_S|RD_T|FP_D, 0, I5_33 },
{"alnv.ps", "D,V,T,s", 0x4c00001e, 0xfc00003f, WR_D|RD_S|RD_T|RD_s|FP_D, 0, I5_33 },
{"alnv.ob", "X,Y,Z,s", 0x78000019, 0xfc00003f, WR_D|RD_S|RD_T|RD_s|FP_D, 0, MX|SB1 },
{"alnv.qh", "X,Y,Z,s", 0x7800001b, 0xfc00003f, WR_D|RD_S|RD_T|RD_s|FP_D, 0, MX },
{"and", "d,v,t", 0x00000024, 0xfc0007ff, WR_d|RD_s|RD_t, 0, I1 },