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* config/tc-arm.c (do_t_strexbh): New.

Browse Source 
(insns): Update accordingly.

	* gas/arm/strex-bad-t.d: New testcase.
	* gas/arm/strex-bad-t.s: Likewise.
	* gas/arm/strex-bad-t.l: Likewise.
	* gas/arm/strex-t.s: Likewise.
	* gas/arm/strex-t.d: Likewise.
This commit is contained in:
Nick Clifton 2011-08-03 11:35:56 +00:00
parent 092d27ff47
commit 877807f8c4
8 changed files with 114 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gas/ChangeLog
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@ -1,3 +1,8 @@
2011-08-03 James Greenhalgh <james.greenhalgh@arm.com>
* config/tc-arm.c (do_t_strexbh): New.
(insns): Update accordingly.
2011-08-01 H.J. Lu <hongjiu.lu@intel.com>
PR ld/13048

19
gas/config/tc-arm.c
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@ -8500,6 +8500,21 @@ do_strex (void)
inst.reloc.type = BFD_RELOC_UNUSED;
}
static void
do_t_strexbh (void)
{
constraint (!inst.operands[2].isreg || !inst.operands[2].preind
|| inst.operands[2].postind || inst.operands[2].writeback
|| inst.operands[2].immisreg || inst.operands[2].shifted
|| inst.operands[2].negative,
BAD_ADDR_MODE);
constraint (inst.operands[0].reg == inst.operands[1].reg
|| inst.operands[0].reg == inst.operands[2].reg, BAD_OVERLAP);
do_rm_rd_rn ();
}
static void
do_strexd (void)
{
@ -17516,9 +17531,9 @@ static const struct asm_opcode insns[] =
TCE("ldrexh", 1f00f9f, e8d00f5f, 2, (RRnpc_npcsp, RRnpcb),
rd_rn, rd_rn),
TCE("strexb", 1c00f90, e8c00f40, 3, (RRnpc_npcsp, RRnpc_npcsp, ADDR),
strex, rm_rd_rn),
strex, t_strexbh),
TCE("strexh", 1e00f90, e8c00f50, 3, (RRnpc_npcsp, RRnpc_npcsp, ADDR),
strex, rm_rd_rn),
strex, t_strexbh),
TUF("clrex", 57ff01f, f3bf8f2f, 0, (), noargs, noargs),
#undef ARM_VARIANT

10
gas/testsuite/ChangeLog
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@ -1,3 +1,11 @@
2011-08-03 James Greenhalgh <james.greenhalgh@arm.com>
* gas/arm/strex-bad-t.d: New testcase.
* gas/arm/strex-bad-t.s: Likewise.
* gas/arm/strex-bad-t.l: Likewise.
* gas/arm/strex-t.s: Likewise.
* gas/arm/strex-t.d: Likewise.
2011-08-01 H.J. Lu <hongjiu.lu@intel.com>
PR ld/13048
@ -17,7 +25,7 @@
PR gas/13046
* gas/i386/x86-64-branch.s: Add tests for direct branch.
* gas/i386/x86-64-branch.d: Updated.
* gas/i386/ilp32/x86-64-branch.d: Likewise.
* gas/i386/ilp32/x86-64-branch.d: Likewise.
2011-07-29 Nick Clifton <nickc@redhat.com>

3
gas/testsuite/gas/arm/strex-bad-t.d Normal file
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@ -0,0 +1,3 @@
# name: Bad addressing modes STREXH/STREXB. - THUMB
# error-output: strex-bad-t.l

24
gas/testsuite/gas/arm/strex-bad-t.l Normal file
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@ -0,0 +1,24 @@
[^:]*: Assembler messages:
[^:]*:7: Error: r15 not allowed here -- `strexh r0,r1,#0x04'
[^:]*:8: Error: instruction does not accept this addressing mode -- `strexh r0,r1,\[r2\],#0x04'
[^:]*:9: Error: instruction does not accept this addressing mode -- `strexh r0,r1,\[r2,#\+0x00\]!'
[^:]*:10: Error: instruction does not accept this addressing mode -- `strexh r0,r1,\[r2,r3\]'
[^:]*:11: Error: registers may not be the same -- `strexh r0,r0,\[r1]'
[^:]*:12: Error: instruction does not accept this addressing mode -- `strexh r0,r1,\[r2,#-0x04\]'
[^:]*:13: Error: r15 not allowed here -- `strexh r0,r1,\[r15\]'
[^:]*:14: Error: r13 not allowed here -- `strexh r0,r13,\[r1\]'
[^:]*:15: Error: r15 not allowed here -- `strexh r0,r15,\[r1\]'
[^:]*:16: Error: r13 not allowed here -- `strexh r13,r0,\[r1\]'
[^:]*:17: Error: r15 not allowed here -- `strexh r15,r0,\[r1\]'
[^:]*:21: Error: r15 not allowed here -- `strexb r0,r1,#0x04'
[^:]*:22: Error: instruction does not accept this addressing mode -- `strexb r0,r1,\[r2\],#0x04'
[^:]*:23: Error: instruction does not accept this addressing mode -- `strexb r0,r1,\[r2,#\+0x00\]!'
[^:]*:24: Error: instruction does not accept this addressing mode -- `strexb r0,r1,\[r2,r3\]'
[^:]*:25: Error: registers may not be the same -- `strexb r0,r0,\[r1]'
[^:]*:26: Error: instruction does not accept this addressing mode -- `strexb r0,r1,\[r2,#-0x04\]'
[^:]*:27: Error: r15 not allowed here -- `strexb r0,r1,\[r15\]'
[^:]*:28: Error: r13 not allowed here -- `strexb r0,r13,\[r1\]'
[^:]*:29: Error: r15 not allowed here -- `strexb r0,r15,\[r1\]'
[^:]*:30: Error: r13 not allowed here -- `strexb r13,r0,\[r1\]'
[^:]*:31: Error: r15 not allowed here -- `strexb r15,r0,\[r1\]'

32
gas/testsuite/gas/arm/strex-bad-t.s Normal file
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@ -0,0 +1,32 @@
.syntax unified
.thumb
@ strexh
strexh r0, r1, #0x04
strexh r0, r1, [r2], #0x04
strexh r0, r1, [r2, #+0x00]!
strexh r0, r1, [r2, r3]
strexh r0, r0, [r1]
strexh r0, r1, [r2, #-0x04]
strexh r0, r1, [r15]
strexh r0, r13, [r1]
strexh r0, r15, [r1]
strexh r13, r0, [r1]
strexh r15, r0, [r1]
@ strexb
strexb r0, r1, #0x04
strexb r0, r1, [r2], #0x04
strexb r0, r1, [r2, #+0x00]!
strexb r0, r1, [r2, r3]
strexb r0, r0, [r1]
strexb r0, r1, [r2, #-0x04]
strexb r0, r1, [r15]
strexb r0, r13, [r1]
strexb r0, r15, [r1]
strexb r13, r0, [r1]
strexb r15, r0, [r1]

14
gas/testsuite/gas/arm/strex-t.d Normal file
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@ -0,0 +1,14 @@
# name: STREXH/STREXB. - Thumb
# objdump: -dr --prefix-address --show-raw-insn
# skip: *-*-*coff *-*-pe *-*-wince *-*-*aout* *-*-netbsd
.*: +file format .*arm.*
Disassembly of section \.text:
0+00 <[^>]+> e8c2 1f50 strexh r0, r1, \[r2\]
0+04 <[^>]+> e8c2 1f50 strexh r0, r1, \[r2\]
0+08 <[^>]+> e8cd 1f50 strexh r0, r1, \[sp\]
0+0c <[^>]+> e8c2 1f40 strexb r0, r1, \[r2\]
0+10 <[^>]+> e8c2 1f40 strexb r0, r1, \[r2\]
0+14 <[^>]+> e8cd 1f40 strexb r0, r1, \[sp\]

10
gas/testsuite/gas/arm/strex-t.s Normal file
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@ -0,0 +1,10 @@
.syntax unified
.thumb
strexh r0, r1, [r2]
strexh r0, r1, [r2, #+0x00]
strexh r0, r1, [r13]
strexb r0, r1, [r2]
strexb r0, r1, [r2, #+0x00]
strexb r0, r1, [r13]