diff mbox series

[2/2] eal: adjust intrinsic type casts for CXX

Message ID 1710969509-20627-3-git-send-email-roretzla@linux.microsoft.com (mailing list archive)
State New
Delegated to: Thomas Monjalon
Headers
Series adapt prefetch functions for MSVC |

Checks

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ci/loongarch-unit-testing success Unit Testing PASS
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Commit Message

Tyler Retzlaff March 20, 2024, 9:18 p.m. UTC 
  _mm_prefetch does not take a volatile qualified pointer, cast it away.
Additionally the pointer type should be char * not void * so adjust the
cast to match.

_mm_cldemote does not take a volatile qualified pointer, cast it away.

Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
---
 lib/eal/x86/include/rte_prefetch.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/lib/eal/x86/include/rte_prefetch.h b/lib/eal/x86/include/rte_prefetch.h
index 715c61b..8a93777 100644
--- a/lib/eal/x86/include/rte_prefetch.h
+++ b/lib/eal/x86/include/rte_prefetch.h
@@ -20,7 +20,7 @@ 
 static inline void rte_prefetch0(const volatile void *p)
 {
 #ifdef RTE_TOOLCHAIN_MSVC
-	_mm_prefetch((const void *)p, _MM_HINT_T0);
+	_mm_prefetch((const char *)(uintptr_t)p, _MM_HINT_T0);
 #else
 	asm volatile ("prefetcht0 %[p]" : : [p] "m" (*(const volatile char *)p));
 #endif
@@ -29,7 +29,7 @@  static inline void rte_prefetch0(const volatile void *p)
 static inline void rte_prefetch1(const volatile void *p)
 {
 #ifdef RTE_TOOLCHAIN_MSVC
-	_mm_prefetch((const void *)p, _MM_HINT_T1);
+	_mm_prefetch((const char *)(uintptr_t)p, _MM_HINT_T1);
 #else
 	asm volatile ("prefetcht1 %[p]" : : [p] "m" (*(const volatile char *)p));
 #endif
@@ -38,7 +38,7 @@  static inline void rte_prefetch1(const volatile void *p)
 static inline void rte_prefetch2(const volatile void *p)
 {
 #ifdef RTE_TOOLCHAIN_MSVC
-	_mm_prefetch((const void *)p, _MM_HINT_T2);
+	_mm_prefetch((const char *)(uintptr_t)p, _MM_HINT_T2);
 #else
 	asm volatile ("prefetcht2 %[p]" : : [p] "m" (*(const volatile char *)p));
 #endif
@@ -47,7 +47,7 @@  static inline void rte_prefetch2(const volatile void *p)
 static inline void rte_prefetch_non_temporal(const volatile void *p)
 {
 #ifdef RTE_TOOLCHAIN_MSVC
-	_mm_prefetch((const void *)p, _MM_HINT_NTA);
+	_mm_prefetch((const char *)(uintptr_t)p, _MM_HINT_NTA);
 #else
 	asm volatile ("prefetchnta %[p]" : : [p] "m" (*(const volatile char *)p));
 #endif
@@ -58,7 +58,7 @@  static inline void rte_prefetch_non_temporal(const volatile void *p)
 rte_cldemote(const volatile void *p)
 {
 #ifdef RTE_TOOLCHAIN_MSVC
-	_mm_cldemote(p);
+	_mm_cldemote((const void *)(uintptr_t)p);
 #else
 	/*
 	 * We use raw byte codes for now as only the newest compiler