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| author | Matthew Gretton-Dann <matthew.gretton-dann@arm.com> | 2010-09-27 09:47:05 +0000 |
|---|---|---|
| committer | Matthew Gretton-Dann <matthew.gretton-dann@arm.com> | 2010-09-27 09:47:05 +0000 |
| commit | 6844b2c2db8ce07c7f000d9bd132d6b9b83709b8 (patch) | |
| tree | 5fcdbc72bb96397a0323bdda04fd5533d4a96d05 /gas/config/tc-arm.c | |
| parent | a7cb5251cf141989cc34f39b40641c5359b12757 (diff) | |
| download | gdb-6844b2c2db8ce07c7f000d9bd132d6b9b83709b8.zip gdb-6844b2c2db8ce07c7f000d9bd132d6b9b83709b8.tar.gz gdb-6844b2c2db8ce07c7f000d9bd132d6b9b83709b8.tar.bz2 | |
2010-09-27 Tejas Belagod <tejas.belagod@arm.com>
* gas/config/tc-arm.c (do_neon_ldr_str): Deprecate ARM-mode PC-relative
VSTR, issue an error in THUMB mode.
* opcodes/arm_dis.c (print_insn_coprocessor): Apply off-by-alignment
correction to unaligned PCs while printing comment.
* gas/testsuite/gas/arm/vldr.s: New test for pc-relative VLDR disassembly comment.
* gas/testsuite/gas/arm/vldr.d: Likewise.
* gas/testsuite/gas/arm/vstr-bad.s: New test for PC-relative VSTR.
* gas/testsuite/gas/arm/vstr-thumb-bad.l: Likewise.
* gas/testsuite/gas/arm/vstr-thumb-bad.d: Likewise.
* gas/testsuite/gas/arm/vstr-arm-bad.l: Likewise.
* gas/testsuite/gas/arm/vstr-arm-bad.d: Likewise.
Diffstat (limited to 'gas/config/tc-arm.c')
| -rw-r--r-- | gas/config/tc-arm.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index e4bd9f1..fc3d63d 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -14885,6 +14885,18 @@ do_neon_ldr_str (void) { int is_ldr = (inst.instruction & (1 << 20)) != 0; + /* Use of PC in vstr in ARM mode is deprecated in ARMv7. + And is UNPREDICTABLE in thumb mode. */ + if (!is_ldr + && inst.operands[1].reg == REG_PC + && ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v7)) + { + if (!thumb_mode && warn_on_deprecated) + as_warn (_("Use of PC here is deprecated")); + else + inst.error = _("Use of PC here is UNPREDICTABLE"); + } + if (inst.operands[0].issingle) { if (is_ldr) |