This patch implement unsigned less than and greater than comparison operator
LLVM code generation.
Cc: Christopher Li <sparse@xxxxxxxxxxx>
Cc: Jeff Garzik <jgarzik@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxx>
---
sparse-llvm.c | 4 ++--
validation/backend/cmp-ops.c | 10 ++++++++++
2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/sparse-llvm.c b/sparse-llvm.c
index e3d8883..6402666 100644
--- a/sparse-llvm.c
+++ b/sparse-llvm.c
@@ -516,10 +516,10 @@ static void output_op_binary(struct function *fn, struct instruction *insn)
target = LLVMBuildICmp(fn->builder, LLVMIntSGT, lhs, rhs, target_name);
break;
case OP_SET_B:
- assert(0);
+ target = LLVMBuildICmp(fn->builder, LLVMIntULT, lhs, rhs, target_name);
break;
case OP_SET_A:
- assert(0);
+ target = LLVMBuildICmp(fn->builder, LLVMIntUGT, lhs, rhs, target_name);
break;
case OP_SET_BE:
assert(0);
diff --git a/validation/backend/cmp-ops.c b/validation/backend/cmp-ops.c
index 5a89bee..b1ad227 100644
--- a/validation/backend/cmp-ops.c
+++ b/validation/backend/cmp-ops.c
@@ -18,6 +18,16 @@ static int setg(int x, int y)
return x > y;
}
+static int setb(unsigned int x, unsigned int y)
+{
+ return x < y;
+}
+
+static int seta(unsigned int x, unsigned int y)
+{
+ return x > y;
+}
+
/*
* check-name: Comparison operator code generation
* check-command: ./sparsec -c $file -o tmp.o
--
1.7.6.4
--
To unsubscribe from this list: send the line "unsubscribe linux-sparse" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
