[PATCH v2 5/7] RISC-V: relax post-relocation-operator separator expectation

[Jan Beulich]

With a blank being okay as a separator, constructs like

	lui	t0, %hi sym
	lui	t0, %hi 0x1000

are accepted. But then it makes little sense to not also accept e.g.

	lui	t0, %hi +sym
	lui	t0, %hi -0x1000

Therefore instead of looking for a blank or opening parenthesis, merely
check whether what follows wouldn't continue an identifier.

Note that we don't need to also check is_name_ender(), as LEX_END_NAME
isn't used for any character.
---
v2: New.

--- a/gas/config/tc-riscv.c
+++ b/gas/config/tc-riscv.c
@@ -2184,7 +2184,7 @@ parse_relocation (char **str, bfd_reloc_
       {
 	size_t len = 1 + strlen (percent_op->str);
 
-	if (!ISSPACE ((*str)[len]) && (*str)[len] != '(')
+	if (is_part_of_name ((*str)[len]))
 	  continue;
 
 	*str += len;
--- a/gas/testsuite/gas/riscv/auipc-parsing.d
+++ b/gas/testsuite/gas/riscv/auipc-parsing.d
@@ -1,3 +1,3 @@
-#as:
+#as: -al
 #source: auipc-parsing.s
 #error_output: auipc-parsing.l
--- a/gas/testsuite/gas/riscv/auipc-parsing.l
+++ b/gas/testsuite/gas/riscv/auipc-parsing.l
@@ -3,3 +3,7 @@
 .*: Error: illegal operands `lui x10,x11'
 .*: Error: illegal operands `auipc x12,symbol'
 .*: Error: illegal operands `lui x13,symbol'
+#...
+ *[0-9]+[ 	]+# Accept unary .*
+ *[0-9]+[ 	]+\?\?\?\? 17070000[ 	]+auipc	x14,%hi \+symbol
+ *[0-9]+[ 	]+\?\?\?\? B7B7CBED[ 	]+lui	x15,%hi -0x12345678
--- a/gas/testsuite/gas/riscv/auipc-parsing.s
+++ b/gas/testsuite/gas/riscv/auipc-parsing.s
@@ -4,3 +4,6 @@
 # Don't accept a symbol without %hi() for 'u' operands.
 	auipc	x12,symbol
 	lui	x13,symbol
+# Accept unary operators starting the subject expression.
+	auipc	x14,%hi +symbol
+	lui	x15,%hi -0x12345678