From: Sandy Wu Date: Fri, 29 Mar 2013 00:05:44 +0000 (-0700) Subject: crypto: crc32-pclmul - Use gas macro for pclmulqdq X-Git-Tag: firefly_0821_release~3680^2~594^2~21 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=57ae1b0532977b30184aaba04b6cafe0a284c21f;p=firefly-linux-kernel-4.4.55.git crypto: crc32-pclmul - Use gas macro for pclmulqdq Occurs when CONFIG_CRYPTO_CRC32C_INTEL=y and CONFIG_CRYPTO_CRC32C_INTEL=y. Older versions of bintuils do not support the pclmulqdq instruction. The PCLMULQDQ gas macro is used instead. Signed-off-by: Sandy Wu Cc: stable@vger.kernel.org # 3.8+ Signed-off-by: Herbert Xu --- diff --git a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S index 19ec73f6e0b3..dbc4339b5417 100644 --- a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S +++ b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S @@ -43,6 +43,7 @@ * SOFTWARE. */ +#include #include ## ISCSI CRC 32 Implementation with crc32 and pclmulqdq Instruction @@ -226,10 +227,10 @@ LABEL crc_ %i movdqa (bufp), %xmm0 # 2 consts: K1:K2 movq crc_init, %xmm1 # CRC for block 1 - pclmulqdq $0x00,%xmm0,%xmm1 # Multiply by K2 + PCLMULQDQ 0x00,%xmm0,%xmm1 # Multiply by K2 movq crc1, %xmm2 # CRC for block 2 - pclmulqdq $0x10, %xmm0, %xmm2 # Multiply by K1 + PCLMULQDQ 0x10, %xmm0, %xmm2 # Multiply by K1 pxor %xmm2,%xmm1 movq %xmm1, %rax