diff options
| author | willnewton <willnewton> | 2013-08-23 07:16:56 +0000 |
|---|---|---|
| committer | willnewton <willnewton> | 2013-08-23 07:16:56 +0000 |
| commit | 9fce57aaed76c9a7de8a66c212219f9889681da0 (patch) | |
| tree | 9e867460cbd3ed8678922de02930be0c7e8a841b /gas/config | |
| parent | 60f561a936433831199b7fcb23ca85dc934c0f02 (diff) | |
| download | binutils-redhat-9fce57aaed76c9a7de8a66c212219f9889681da0.tar.gz | |
gas/config/tc-arm.c: Improve validation of NEON addressing modes.
NEON vector load and store instructions do not accept immediates
or pre-indexed base plus offset addressing modes, so make sure that
the assembler enforces this.
gas/ChangeLog:
2013-08-23 Will Newton <will.newton@linaro.org>
* config/tc-arm.c (do_neon_ldx_stx): Add extra constraints
for pre-indexed addressing modes.
* testsuite/gas/arm/neon-addressing-bad.l: Add test for
VLDn and VSTn instructions.
* testsuite/gas/arm/neon-addressing-bad.s: Likewise.
gas/testsuite/ChangeLog:
2013-08-23 Will Newton <will.newton@linaro.org>
* testsuite/gas/arm/neon-addressing-bad.l: Add test for
VLDn and VSTn instructions.
* testsuite/gas/arm/neon-addressing-bad.s: Likewise.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-arm.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index 21369d7d10..50e0da742b 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -16008,12 +16008,20 @@ do_neon_ldx_stx (void) _("bad register for post-index")); inst.instruction |= postreg; } - else if (inst.operands[1].writeback) + else { - inst.instruction |= 0xd; + constraint (inst.operands[1].immisreg, BAD_ADDR_MODE); + constraint (inst.reloc.exp.X_op != O_constant + || inst.reloc.exp.X_add_number != 0, + BAD_ADDR_MODE); + + if (inst.operands[1].writeback) + { + inst.instruction |= 0xd; + } + else + inst.instruction |= 0xf; } - else - inst.instruction |= 0xf; if (thumb_mode) inst.instruction |= 0xf9000000; |