commit 8db49cc2de52033990ae5d4d6aacedc8f986e803 Author: Will Newton Date: Thu Oct 31 17:21:11 2013 -0700 config/tc-aarch64.c: Avoid trying to parse a vector mov as immediate. Parsing a vector mov instruction currently leads to a phantom undefined symbol being added to the symbol table. e.g.: .text mov x0, v0.D[0] Produces an undefined symbol called "v0.D". gas/ChangeLog: 2013-11-05 Will Newton PR gas/16103 * config/tc-aarch64.c (parse_operands): Avoid trying to parse a vector register as an immediate. gas/testsuite/ChangeLog: 2013-11-05 Will Newton * gas/aarch64/advsimd-mov-bad.d: New file. * gas/aarch64/advsimd-mov-bad.s: Likewise. diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c index 14ffdad..02fe4de 100644 --- a/gas/config/tc-aarch64.c +++ b/gas/config/tc-aarch64.c @@ -4810,7 +4810,8 @@ parse_operands (char *str, const aarch64_opcode *opcode) case AARCH64_OPND_IMM_MOV: { char *saved = str; - if (reg_name_p (str, REG_TYPE_R_Z_SP)) + if (reg_name_p (str, REG_TYPE_R_Z_SP) || + reg_name_p (str, REG_TYPE_VN)) goto failure; str = saved; po_misc_or_fail (my_get_expression (&inst.reloc.exp, &str, diff --git a/gas/testsuite/gas/aarch64/advsimd-mov-bad.d b/gas/testsuite/gas/aarch64/advsimd-mov-bad.d new file mode 100644 index 0000000..6ca9887 --- /dev/null +++ b/gas/testsuite/gas/aarch64/advsimd-mov-bad.d @@ -0,0 +1,12 @@ +#source: advsimd-mov-bad.s +#readelf: -s --wide + +Symbol table '.symtab' contains 6 entries: + +Num:.* + +[0-9]+:.* + +[0-9]+:.* + +[0-9]+:.* + +[0-9]+:.* + +[0-9]+:.* +#failif + +[0-9]+: +[0-9a-f]+ +0 +NOTYPE +GLOBAL +DEFAULT +UND v0.D diff --git a/gas/testsuite/gas/aarch64/advsimd-mov-bad.s b/gas/testsuite/gas/aarch64/advsimd-mov-bad.s new file mode 100644 index 0000000..d7ba226 --- /dev/null +++ b/gas/testsuite/gas/aarch64/advsimd-mov-bad.s @@ -0,0 +1,2 @@ + .text + mov x0, v0.D[0]