From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: dev@dpdk.org
Cc: david.marchand@redhat.com, Joyce Kong <joyce.kong@arm.com>,
Tyler Retzlaff <roretzla@linux.microsoft.com>
Subject: [PATCH] eal: use abstracted bit count functions
Date: Sun, 15 Oct 2023 18:29:22 -0700 [thread overview]
Message-ID: <1697419762-13259-1-git-send-email-roretzla@linux.microsoft.com> (raw)
Use DPDK abstracted bitcount functions in rte_bsf and rte_fls inline
functions.
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
---
lib/eal/include/rte_bitops.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/lib/eal/include/rte_bitops.h b/lib/eal/include/rte_bitops.h
index d45aa54..6b8ae8d 100644
--- a/lib/eal/include/rte_bitops.h
+++ b/lib/eal/include/rte_bitops.h
@@ -574,7 +574,7 @@
static inline uint32_t
rte_bsf32(uint32_t v)
{
- return (uint32_t)__builtin_ctz(v);
+ return (uint32_t)rte_ctz32(v);
}
/**
@@ -615,7 +615,7 @@
static inline uint32_t
rte_bsf64(uint64_t v)
{
- return (uint32_t)__builtin_ctzll(v);
+ return (uint32_t)rte_ctz64(v);
}
/**
@@ -656,7 +656,7 @@
static inline uint32_t
rte_fls_u32(uint32_t x)
{
- return (x == 0) ? 0 : 32 - __builtin_clz(x);
+ return (x == 0) ? 0 : 32 - rte_clz32(x);
}
/**
@@ -674,7 +674,7 @@
static inline uint32_t
rte_fls_u64(uint64_t x)
{
- return (x == 0) ? 0 : 64 - __builtin_clzll(x);
+ return (x == 0) ? 0 : 64 - rte_clz64(x);
}
/*********** Macros to work with powers of 2 ********/
--
1.8.3.1
next reply other threads:[~2023-10-16 1:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-16 1:29 Tyler Retzlaff [this message]
2023-10-16 2:06 ` [PATCH v2] " Tyler Retzlaff
2023-10-17 12:55 ` Thomas Monjalon
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