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* config/tc-mips.c (macro) <ld>: Don't use $zero for address
	calculation.

	gas/testsuite/
	* gas/mips/ld-zero.d: New test.
	* gas/mips/ld-zero-2.d: New test.
	* gas/mips/ld-zero-3.d: New test.
	* gas/mips/ld-zero-q.d: New test.
	* gas/mips/ld-zero-u.d: New test.
	* gas/mips/ecoff@ld-zero-3.d: New test.
	* gas/mips/micromips@ld-zero-2.d: New test.
	* gas/mips/micromips@ld-zero-3.d: New test.
	* gas/mips/ld-zero.s: New test source.
	* gas/mips/ld-zero-2.s: New test source.
	* gas/mips/ld-zero-3.s: New test source.
	* gas/mips/ld-zero-q.s: New test source.
	* gas/mips/ld-zero-u.s: New test source.
	* gas/mips/mips.exp: Run the new tests.
This commit is contained in:
Maciej W. Rozycki 2013-05-28 22:19:34 +00:00
parent 418009c200
commit f19ccbda97
17 changed files with 186 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
gas/ChangeLog
View file

@ -1,3 +1,8 @@
2013-05-28 Chao-ying Fu <Chao-ying.Fu@imgtec.com>
* config/tc-mips.c (macro) <ld>: Don't use $zero for address
calculation.
2013-05-28 Yufeng Zhang <yufeng.zhang@arm.com>
* config/tc-aarch64.c (reloc_table): Update to use

3
gas/config/tc-mips.c
View file

@ -8286,7 +8286,8 @@ macro (struct mips_cl_insn *ip)
goto ld_st;
ld:
if (breg == treg + lp)
/* We don't want to use $0 as tempreg. */
if (breg == treg + lp || treg + lp == ZERO)
goto ld_st;
else
tempreg = treg + lp;

17
gas/testsuite/ChangeLog
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@ -1,3 +1,20 @@
2013-05-28 Maciej W. Rozycki <macro@codesourcery.com>
* gas/mips/ld-zero.d: New test.
* gas/mips/ld-zero-2.d: New test.
* gas/mips/ld-zero-3.d: New test.
* gas/mips/ld-zero-q.d: New test.
* gas/mips/ld-zero-u.d: New test.
* gas/mips/ecoff@ld-zero-3.d: New test.
* gas/mips/micromips@ld-zero-2.d: New test.
* gas/mips/micromips@ld-zero-3.d: New test.
* gas/mips/ld-zero.s: New test source.
* gas/mips/ld-zero-2.s: New test source.
* gas/mips/ld-zero-3.s: New test source.
* gas/mips/ld-zero-q.s: New test source.
* gas/mips/ld-zero-u.s: New test source.
* gas/mips/mips.exp: Run the new tests.
2013-05-28 Yufeng Zhang <yufeng.zhang@arm.com>
* gas/aarch64/tls.d: Update.

4
gas/testsuite/gas/mips/ecoff@ld-zero-3.d Normal file
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@ -0,0 +1,4 @@
#objdump: -dr --prefix-addresses
#name: MIPS III load $zero
#source: ld-zero-3.s
#dump: ld-zero-3.d

11
gas/testsuite/gas/mips/ld-zero-2.d Normal file
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@ -0,0 +1,11 @@
#objdump: -dr --prefix-addresses
#as: -32
#name: MIPS II load $zero
.*: +file format .*mips.*
Disassembly of section \.text:
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> ll zero,22136\(at\)
\.\.\.

7
gas/testsuite/gas/mips/ld-zero-2.s Normal file
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@ -0,0 +1,7 @@
.text
foo:
ll $0, 0x12345678($2)
# Force some (non-delay-slot) zero bytes, to make 'objdump' print ...
.align 4, 0
.space 16

17
gas/testsuite/gas/mips/ld-zero-3.d Normal file
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@ -0,0 +1,17 @@
#objdump: -dr --prefix-addresses
#as: -mabi=o64
#name: MIPS III load $zero
.*: +file format .*mips.*
Disassembly of section \.text:
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> lwu zero,22136\(at\)
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> ld zero,22136\(at\)
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> lld zero,22136\(at\)
\.\.\.

9
gas/testsuite/gas/mips/ld-zero-3.s Normal file
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@ -0,0 +1,9 @@
.text
foo:
lwu $0, 0x12345678($2)
ld $0, 0x12345678($2)
lld $0, 0x12345678($2)
# Force some (non-delay-slot) zero bytes, to make 'objdump' print ...
.align 4, 0
.space 16

11
gas/testsuite/gas/mips/ld-zero-q.d Normal file
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@ -0,0 +1,11 @@
#objdump: -dr --prefix-addresses
#as: -32
#name: MIPS R5900 load $zero
.*: +file format .*mips.*
Disassembly of section \.text:
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> lq zero,22136\(at\)
\.\.\.

7
gas/testsuite/gas/mips/ld-zero-q.s Normal file
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@ -0,0 +1,7 @@
.text
foo:
lq $0, 0x12345678($2)
# Force some (non-delay-slot) zero bytes, to make 'objdump' print ...
.align 4, 0
.space 16

15
gas/testsuite/gas/mips/ld-zero-u.d Normal file
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@ -0,0 +1,15 @@
#objdump: -dr --prefix-addresses
#as: -32
#name: microMIPS load $zero
.*: +file format .*mips.*
Disassembly of section \.text:
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> ori at,at,0x5000
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> lwp zero,1656\(at\)
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> ori at,at,0x5000
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> ldp zero,1656\(at\)
\.\.\.

8
gas/testsuite/gas/mips/ld-zero-u.s Normal file
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@ -0,0 +1,8 @@
.text
foo:
lwp $0, 0x12345678($2)
ldp $0, 0x12345678($2)
# Force some (non-delay-slot) zero bytes, to make 'objdump' print ...
.align 4, 0
.space 16

23
gas/testsuite/gas/mips/ld-zero.d Normal file
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@ -0,0 +1,23 @@
#objdump: -dr --prefix-addresses
#as: -32
#name: MIPS load $zero
.*: +file format .*mips.*
Disassembly of section \.text:
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> lb zero,22136\(at\)
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> lbu zero,22136\(at\)
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> lh zero,22136\(at\)
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> lhu zero,22136\(at\)
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> lw zero,22136\(at\)
\.\.\.

11
gas/testsuite/gas/mips/ld-zero.s Normal file
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@ -0,0 +1,11 @@
.text
foo:
lb $0, 0x12345678($2)
lbu $0, 0x12345678($2)
lh $0, 0x12345678($2)
lhu $0, 0x12345678($2)
lw $0, 0x12345678($2)
# Force some (non-delay-slot) zero bytes, to make 'objdump' print ...
.align 4, 0
.space 16

13
gas/testsuite/gas/mips/micromips@ld-zero-2.d Normal file
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@ -0,0 +1,13 @@
#objdump: -dr --prefix-addresses
#as: -32
#name: MIPS II load $zero
#source: ld-zero-2.s
.*: +file format .*mips.*
Disassembly of section \.text:
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> ori at,at,0x5000
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> ll zero,1656\(at\)
\.\.\.

21
gas/testsuite/gas/mips/micromips@ld-zero-3.d Normal file
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@ -0,0 +1,21 @@
#objdump: -dr --prefix-addresses
#as: -32
#name: MIPS III load $zero
#source: ld-zero-3.s
.*: +file format .*mips.*
Disassembly of section \.text:
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> ori at,at,0x5000
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> lwu zero,1656\(at\)
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> addu at,v0,at
[0-9a-f]+ <[^>]*> lw zero,22136\(at\)
[0-9a-f]+ <[^>]*> lw at,22140\(at\)
[0-9a-f]+ <[^>]*> lui at,0x1234
[0-9a-f]+ <[^>]*> ori at,at,0x5000
[0-9a-f]+ <[^>]*> addu at,at,v0
[0-9a-f]+ <[^>]*> lld zero,1656\(at\)
\.\.\.

5
gas/testsuite/gas/mips/mips.exp
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@ -698,6 +698,11 @@ if { [istarget mips*-*-vxworks*] } {
[mips_arch_list_matching mips3 !singlefloat]
}
}
run_dump_test_arches "ld-zero" [mips_arch_list_matching mips1]
run_dump_test_arches "ld-zero-2" [mips_arch_list_matching mips2 !nollsc]
run_dump_test_arches "ld-zero-3" [mips_arch_list_matching mips3 !nollsc]
run_dump_test_arches "ld-zero-u" [mips_arch_list_matching micromips]
run_dump_test_arches "ld-zero-q" [mips_arch_list_matching r5900]
if $elf { run_dump_test "ld-svr4pic" }
if $elf { run_dump_test "ld-xgot" }
run_dump_test_arches "li" [mips_arch_list_matching mips1]