diff options
Diffstat (limited to 'gas/config/tc-arm.c')
| -rw-r--r-- | gas/config/tc-arm.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index b3096c5..7ef0f44 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -6970,8 +6970,16 @@ do_rd_rm_rn (void) unsigned Rn = inst.operands[2].reg; /* Enforce restrictions on SWP instruction. */ if ((inst.instruction & 0x0fbfffff) == 0x01000090) - constraint (Rn == inst.operands[0].reg || Rn == inst.operands[1].reg, - _("Rn must not overlap other operands")); + { + constraint (Rn == inst.operands[0].reg || Rn == inst.operands[1].reg, + _("Rn must not overlap other operands")); + + /* SWP{b} is deprecated for ARMv6* and ARMv7. */ + if (warn_on_deprecated + && ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6)) + as_warn (_("swp{b} use is deprecated for this architecture")); + + } inst.instruction |= inst.operands[0].reg << 12; inst.instruction |= inst.operands[1].reg; inst.instruction |= Rn << 16; |