CC rte_hash.o
Error: unsupported instruction `crc32'
The root cause is that i686 platform does not support 'crc32q'
Need make it only available in x86_64 platform
Signed-off-by: Michael Qiu <michael.qiu at intel.com>
---
v2 --> v1:
Make crc32 instruction only works in X86 platform
lib/librte_hash/rte_hash_crc.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/lib/librte_hash/rte_hash_crc.h b/lib/librte_hash/rte_hash_crc.h
index d28bb2a..c0a789e 100644
--- a/lib/librte_hash/rte_hash_crc.h
+++ b/lib/librte_hash/rte_hash_crc.h
@@ -364,6 +364,7 @@ crc32c_2words(uint64_t data, uint32_t init_val)
return crc;
}
+#if defined RTE_ARCH_I686 || defined RTE_ARCH_X86_64
static inline uint32_t
crc32c_sse42_u32(uint32_t data, uint32_t init_val)
{
@@ -373,7 +374,9 @@ crc32c_sse42_u32(uint32_t data, uint32_t init_val)
: [data] "rm" (data));
return init_val;
}
+#endif
+#ifdef RTE_ARCH_X86_64
static inline uint32_t
crc32c_sse42_u64(uint64_t data, uint64_t init_val)
{
@@ -383,7 +386,9 @@ crc32c_sse42_u64(uint64_t data, uint64_t init_val)
: [data] "rm" (data));
return init_val;
}
+#endif
+#if defined RTE_ARCH_I686 || defined RTE_ARCH_X86_64
static inline uint32_t
crc32c_sse42_u64_mimic(uint64_t data, uint64_t init_val)
{
@@ -397,6 +402,7 @@ crc32c_sse42_u64_mimic(uint64_t data, uint64_t init_val)
init_val = crc32c_sse42_u32(d.u32[1], init_val);
return init_val;
}
+#endif
#define CRC32_SW (1U << 0)
#define CRC32_SSE42 (1U << 1)
@@ -455,8 +461,10 @@ rte_hash_crc_init_alg(void)
static inline uint32_t
rte_hash_crc_4byte(uint32_t data, uint32_t init_val)
{
+#if defined RTE_ARCH_I686 || defined RTE_ARCH_X86_64
if (likely(crc32_alg & CRC32_SSE42))
return crc32c_sse42_u32(data, init_val);
+#endif
return crc32c_1word(data, init_val);
}
@@ -476,11 +484,15 @@ rte_hash_crc_4byte(uint32_t data, uint32_t init_val)
static inline uint32_t
rte_hash_crc_8byte(uint64_t data, uint32_t init_val)
{
+#ifdef RTE_ARCH_X86_64
if (likely(crc32_alg == CRC32_SSE42_x64))
return crc32c_sse42_u64(data, init_val);
+#endif
+#if defined RTE_ARCH_I686 || defined RTE_ARCH_X86_64
if (likely(crc32_alg & CRC32_SSE42))
return crc32c_sse42_u64_mimic(data, init_val);
+#endif
return crc32c_2words(data, init_val);
}
--
1.9.3
