The 'Q', 'R', 'S' & 'T'' asm constraint are used for for memory
operands on S390 but only 'Q' belong to the 'common constraints'.
Fix this by handling the 3 others with an arch-specific method.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
target-s390.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/target-s390.c b/target-s390.c
index 8fe7d93677b2..9dbc810e507c 100644
--- a/target-s390.c
+++ b/target-s390.c
@@ -1,6 +1,7 @@
#include "symbol.h"
#include "target.h"
#include "machine.h"
+#include "expression.h"
static void predefine_s390(const struct target *self)
@@ -8,6 +9,16 @@ static void predefine_s390(const struct target *self)
predefine("__s390__", 1, "1");
}
+static const char *asm_constraint_s390(struct asm_operand *op, int c, const char *str)
+{
+ switch (c) {
+ case 'R': case 'S': case 'T':
+ op->is_memory = true;
+ break;
+ }
+ return str;
+}
+
const struct target target_s390 = {
.mach = MACH_S390,
.bitness = ARCH_LP32,
@@ -21,6 +32,7 @@ const struct target target_s390 = {
.target_64bit = &target_s390x,
.predefine = predefine_s390,
+ .asm_constraint = asm_constraint_s390,
};
@@ -45,4 +57,5 @@ const struct target target_s390x = {
.target_32bit = &target_s390,
.predefine = predefine_s390x,
+ .asm_constraint = asm_constraint_s390,
};
--
2.27.0
