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[PULL,5/5] target/hexagon: Make HVX vector args. restrict *

Message ID 20241213041836.39986-6-brian.cain@oss.qualcomm.com (mailing list archive)
State New
Headers show
Series [PULL,1/5] Hexagon (target/hexagon) Remove HEX_DEBUG/HEX_DEBUG_LOG | expand

Commit Message

Brian Cain Dec. 13, 2024, 4:18 a.m. UTC 
From: Anton Johansson <anjo@rev.ng>

Adds restrict qualifier to HVX pointer arguments. This will allow the
compiler to produce better optimized code, as input vectors are now
assumed not to alias, and no runtime aliasing checks will be required.

Signed-off-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Brian Cain <brian.cain@oss.qualcomm.com>
Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
---
 target/hexagon/mmvec/macros.h | 36 +++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)
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Patch

diff --git a/target/hexagon/mmvec/macros.h b/target/hexagon/mmvec/macros.h
index 1ceb9453ee..bcd4a1e897 100644
--- a/target/hexagon/mmvec/macros.h
+++ b/target/hexagon/mmvec/macros.h
@@ -23,26 +23,26 @@ 
 #include "mmvec/system_ext_mmvec.h"
 
 #ifndef QEMU_GENERATE
-#define VdV      (*(MMVector *)(VdV_void))
-#define VsV      (*(MMVector *)(VsV_void))
-#define VuV      (*(MMVector *)(VuV_void))
-#define VvV      (*(MMVector *)(VvV_void))
-#define VwV      (*(MMVector *)(VwV_void))
-#define VxV      (*(MMVector *)(VxV_void))
-#define VyV      (*(MMVector *)(VyV_void))
+#define VdV      (*(MMVector *restrict)(VdV_void))
+#define VsV      (*(MMVector *restrict)(VsV_void))
+#define VuV      (*(MMVector *restrict)(VuV_void))
+#define VvV      (*(MMVector *restrict)(VvV_void))
+#define VwV      (*(MMVector *restrict)(VwV_void))
+#define VxV      (*(MMVector *restrict)(VxV_void))
+#define VyV      (*(MMVector *restrict)(VyV_void))
 
-#define VddV     (*(MMVectorPair *)(VddV_void))
-#define VuuV     (*(MMVectorPair *)(VuuV_void))
-#define VvvV     (*(MMVectorPair *)(VvvV_void))
-#define VxxV     (*(MMVectorPair *)(VxxV_void))
+#define VddV     (*(MMVectorPair *restrict)(VddV_void))
+#define VuuV     (*(MMVectorPair *restrict)(VuuV_void))
+#define VvvV     (*(MMVectorPair *restrict)(VvvV_void))
+#define VxxV     (*(MMVectorPair *restrict)(VxxV_void))
 
-#define QeV      (*(MMQReg *)(QeV_void))
-#define QdV      (*(MMQReg *)(QdV_void))
-#define QsV      (*(MMQReg *)(QsV_void))
-#define QtV      (*(MMQReg *)(QtV_void))
-#define QuV      (*(MMQReg *)(QuV_void))
-#define QvV      (*(MMQReg *)(QvV_void))
-#define QxV      (*(MMQReg *)(QxV_void))
+#define QeV      (*(MMQReg *restrict)(QeV_void))
+#define QdV      (*(MMQReg *restrict)(QdV_void))
+#define QsV      (*(MMQReg *restrict)(QsV_void))
+#define QtV      (*(MMQReg *restrict)(QtV_void))
+#define QuV      (*(MMQReg *restrict)(QuV_void))
+#define QvV      (*(MMQReg *restrict)(QvV_void))
+#define QxV      (*(MMQReg *restrict)(QxV_void))
 #endif
 
 #define LOG_VTCM_BYTE(VA, MASK, VAL, IDX) \