The documentation of ASM_INPUT_P implied that the flag has no
effect on ASM_EXPRs that have operands (and which therefore must be
extended asms). In fact we require ASM_INPUT_P to be false for all
extended asms.
Tested on aarch64-linux-gnu. OK to install?
Richard
gcc/
* tree.h (ASM_INPUT_P): Fix documentation.
---
gcc/tree.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/gcc/tree.h b/gcc/tree.h
index 5dcbb2fb5dd..c501019717f 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -1428,8 +1428,9 @@ class auto_suppress_location_wrappers
#define ASM_INPUTS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 2)
#define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 3)
#define ASM_LABELS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 4)
-/* Nonzero if we want to create an ASM_INPUT instead of an
- ASM_OPERAND with no operands. */
+/* Nonzero if the asm is a basic asm, zero if it is an extended asm.
+ Basic asms use a plain ASM_INPUT insn pattern whereas extended asms
+ use an ASM_OPERANDS insn pattern. */
#define ASM_INPUT_P(NODE) (ASM_EXPR_CHECK (NODE)->base.static_flag)
#define ASM_VOLATILE_P(NODE) (ASM_EXPR_CHECK (NODE)->base.public_flag)
/* Nonzero if we want to consider this asm as minimum length and cost
--
2.25.1
