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| author | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2020-07-04 15:05:37 +0200 |
|---|---|---|
| committer | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2020-07-04 15:56:54 +0200 |
| commit | b84b4b4b63aa13dd3257827ec0b0b777a1fbe159 (patch) | |
| tree | afa6a9738b4dadbd7773628176052b42d021cb42 | |
| parent | 60aa5705d990c92f8afdbc9bb401ad202a68b9e8 (diff) | |
| download | sparse-b84b4b4b63aa13dd3257827ec0b0b777a1fbe159.tar.gz | |
add memory asm constraint for S390
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@gmail.com>
| -rw-r--r-- | target-s390.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/target-s390.c b/target-s390.c index 8fe7d936..9dbc810e 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, }; |