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