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Subject[PATCH 21/31] ACPICA: iASL: Enhancement for constant folding.
Date
From: Bob Moore <robert.moore@intel.com>

ACPICA commit 4f9e950d41cd6f6c704d5d6cf518647620d65e99

Add support to fold expressions with a target operand -- these are
folded and converted to a Store operator:

Add (4, 3, INT1) --> Store (7, INT1)

Also supports ASL+ constructs:

INT1 = 4 + 3 --> Store (7, INT1)

Linux kernel is not affected by this patch.

Link: https://github.com/acpica/acpica/commit/4f9e950d
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
---
drivers/acpi/acpica/acstruct.h | 5 -----
1 file changed, 5 deletions(-)

diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h
index d14b547..87c7860 100644
--- a/drivers/acpi/acpica/acstruct.h
+++ b/drivers/acpi/acpica/acstruct.h
@@ -68,11 +68,6 @@
#define ACPI_WALK_METHOD 0x01
#define ACPI_WALK_METHOD_RESTART 0x02

-/* Flags for iASL compiler only */
-
-#define ACPI_WALK_CONST_REQUIRED 0x10
-#define ACPI_WALK_CONST_OPTIONAL 0x20
-
struct acpi_walk_state {
struct acpi_walk_state *next; /* Next walk_state in list */
u8 descriptor_type; /* To differentiate various internal objs */
--
1.7.10


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