X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=libcfs%2Flibcfs%2Fcrc32-pclmul_asm.S;h=f4d315b16fcfc15661c6ad4929587c854c050085;hb=2402980a0891e43668f4016e17f2ff872006e0fa;hp=04a724e705873a68485843bbc7a8e2d9da9ca8f1;hpb=6afc34e4beeddca01256ac63a687892aaf185ff4;p=fs%2Flustre-release.git

diff --git a/libcfs/libcfs/crc32-pclmul_asm.S b/libcfs/libcfs/crc32-pclmul_asm.S
index 04a724e..f4d315b 100644
--- a/libcfs/libcfs/crc32-pclmul_asm.S
+++ b/libcfs/libcfs/crc32-pclmul_asm.S
@@ -41,6 +41,34 @@
  * Use macro defenition from linux kernel 2.6.38  */
 
 #define REG_NUM_INVALID	100
+	.macro R32_NUM opd r32
+	\opd = REG_NUM_INVALID
+	.ifc \r32,%eax
+	\opd = 0
+	.endif
+	.ifc \r32,%ecx
+	\opd = 1
+	.endif
+	.ifc \r32,%edx
+	\opd = 2
+	.endif
+	.ifc \r32,%ebx
+	\opd = 3
+	.endif
+	.ifc \r32,%esp
+	\opd = 4
+	.endif
+	.ifc \r32,%ebp
+	\opd = 5
+	.endif
+	.ifc \r32,%esi
+	\opd = 6
+	.endif
+	.ifc \r32,%edi
+	\opd = 7
+	.endif
+	.endm
+
 	.macro XMM_NUM opd xmm
 	\opd = REG_NUM_INVALID
 	.ifc \xmm,%xmm0
@@ -117,6 +145,15 @@
 	.byte \imm8
 	.endm
 
+	.macro PEXTRD imm8 xmm1 reg1
+	XMM_NUM extrd_opd2 \xmm1
+	R32_NUM extrd_opd1 \reg1
+	PFX_OPD_SIZE
+	PFX_REX extrd_opd1 extrd_opd2
+	.byte 0x0f, 0x3a, 0x16
+	MODRM 0xc0 extrd_opd1 extrd_opd2
+	.byte \imm8
+	.endm
 
 .align 16
 /*
@@ -318,6 +355,6 @@ fold_64:
 	pand    %xmm3, %xmm1
 	PCLMULQDQ 0x00, CONSTANT, %xmm1
 	pxor    %xmm2, %xmm1
-	pextrd  $0x01, %xmm1, %eax
+	PEXTRD  0x01, %xmm1, %eax
 
 	ret