Commit 3585cb02 authored by Martin Schwidefsky's avatar Martin Schwidefsky
Browse files

s390/disassembler: add vector instructions 



Add the instruction introduced with the vector extension to the in-kernel
disassembler.

Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 80703617

arch/s390/include/asm/dis.h

+7 −6
Original line number Diff line number Diff line
@@ -13,12 +13,13 @@ 
#define OPERAND_FPR	0x2	/* Operand printed as %fx */

#define OPERAND_AR	0x4	/* Operand printed as %ax */

#define OPERAND_CR	0x8	/* Operand printed as %cx */

#define OPERAND_DISP	0x10	/* Operand printed as displacement */

#define OPERAND_BASE	0x20	/* Operand printed as base register */

#define OPERAND_INDEX	0x40	/* Operand printed as index register */

#define OPERAND_PCREL	0x80	/* Operand printed as pc-relative symbol */

#define OPERAND_SIGNED	0x100	/* Operand printed as signed value */

#define OPERAND_LENGTH	0x200	/* Operand printed as length (+1) */

#define OPERAND_VR	0x10	/* Operand printed as %vx */

#define OPERAND_DISP	0x20	/* Operand printed as displacement */

#define OPERAND_BASE	0x40	/* Operand printed as base register */

#define OPERAND_INDEX	0x80	/* Operand printed as index register */

#define OPERAND_PCREL	0x100	/* Operand printed as pc-relative symbol */

#define OPERAND_SIGNED	0x200	/* Operand printed as signed value */

#define OPERAND_LENGTH	0x400	/* Operand printed as length (+1) */





struct s390_operand {

arch/s390/kernel/dis.c

+242 −3
Original line number Diff line number Diff line
@@ -60,6 +60,11 @@ enum { 
	A_28,	/* Access reg. starting at position 28 */

	C_8,	/* Control reg. starting at position 8 */

	C_12,	/* Control reg. starting at position 12 */

	V_8,	/* Vector reg. starting at position 8, extension bit at 36 */

	V_12,	/* Vector reg. starting at position 12, extension bit at 37 */

	V_16,	/* Vector reg. starting at position 16, extension bit at 38 */

	V_32,	/* Vector reg. starting at position 32, extension bit at 39 */

	W_12,	/* Vector reg. at bit 12, extension at bit 37, used as index */

	B_16,	/* Base register starting at position 16 */

	B_32,	/* Base register starting at position 32 */

	X_12,	/* Index register starting at position 12 */
@@ -82,6 +87,8 @@ enum { 
	U8_24,	/* 8 bit unsigned value starting at 24 */

	U8_32,	/* 8 bit unsigned value starting at 32 */

	I8_8,	/* 8 bit signed value starting at 8 */

	I8_16,	/* 8 bit signed value starting at 16 */

	I8_24,	/* 8 bit signed value starting at 24 */

	I8_32,	/* 8 bit signed value starting at 32 */

	J12_12, /* PC relative offset at 12 */

	I16_16,	/* 16 bit signed value starting at 16 */
@@ -96,6 +103,9 @@ enum { 
	U32_16,	/* 32 bit unsigned value starting at 16 */

	M_16,	/* 4 bit optional mask starting at 16 */

	M_20,	/* 4 bit optional mask starting at 20 */

	M_24,	/* 4 bit optional mask starting at 24 */

	M_28,	/* 4 bit optional mask starting at 28 */

	M_32,	/* 4 bit optional mask starting at 32 */

	RO_28,	/* optional GPR starting at position 28 */

};
@@ -130,7 +140,7 @@ enum { 
	INSTR_RSY_RDRM,

	INSTR_RS_AARD, INSTR_RS_CCRD, INSTR_RS_R0RD, INSTR_RS_RRRD,

	INSTR_RS_RURD,

	INSTR_RXE_FRRD, INSTR_RXE_RRRD,

	INSTR_RXE_FRRD, INSTR_RXE_RRRD, INSTR_RXE_RRRDM,

	INSTR_RXF_FRRDF,

	INSTR_RXY_FRRD, INSTR_RXY_RRRD, INSTR_RXY_URRD,

	INSTR_RX_FRRD, INSTR_RX_RRRD, INSTR_RX_URRD,
@@ -143,6 +153,17 @@ enum { 
	INSTR_SS_L0RDRD, INSTR_SS_LIRDRD, INSTR_SS_LLRDRD, INSTR_SS_RRRDRD,

	INSTR_SS_RRRDRD2, INSTR_SS_RRRDRD3,

	INSTR_S_00, INSTR_S_RD,

	INSTR_VRI_V0IM, INSTR_VRI_V0I0, INSTR_VRI_V0IIM, INSTR_VRI_VVIM,

	INSTR_VRI_VVV0IM, INSTR_VRI_VVV0I0, INSTR_VRI_VVIMM,

	INSTR_VRR_VV00MMM, INSTR_VRR_VV000MM, INSTR_VRR_VV0000M,

	INSTR_VRR_VV00000, INSTR_VRR_VVV0M0M, INSTR_VRR_VV00M0M,

	INSTR_VRR_VVV000M, INSTR_VRR_VVV000V, INSTR_VRR_VVV0000,

	INSTR_VRR_VVV0MMM, INSTR_VRR_VVV00MM, INSTR_VRR_VVVMM0V,

	INSTR_VRR_VVVM0MV, INSTR_VRR_VVVM00V, INSTR_VRR_VRR0000,

	INSTR_VRS_VVRDM, INSTR_VRS_VVRD0, INSTR_VRS_VRRDM, INSTR_VRS_VRRD0,

	INSTR_VRS_RVRDM,

	INSTR_VRV_VVRDM, INSTR_VRV_VWRDM,

	INSTR_VRX_VRRDM, INSTR_VRX_VRRD0,

};



static const struct s390_operand operands[] =
@@ -168,6 +189,11 @@ static const struct s390_operand operands[] = 
	[A_28]	 = {  4, 28, OPERAND_AR },

	[C_8]	 = {  4,  8, OPERAND_CR },

	[C_12]	 = {  4, 12, OPERAND_CR },

	[V_8]	 = {  4,  8, OPERAND_VR },

	[V_12]	 = {  4, 12, OPERAND_VR },

	[V_16]	 = {  4, 16, OPERAND_VR },

	[V_32]	 = {  4, 32, OPERAND_VR },

	[W_12]	 = {  4, 12, OPERAND_INDEX | OPERAND_VR },

	[B_16]	 = {  4, 16, OPERAND_BASE | OPERAND_GPR },

	[B_32]	 = {  4, 32, OPERAND_BASE | OPERAND_GPR },

	[X_12]	 = {  4, 12, OPERAND_INDEX | OPERAND_GPR },
@@ -190,6 +216,11 @@ static const struct s390_operand operands[] = 
	[U8_24]  = {  8, 24, 0 },

	[U8_32]  = {  8, 32, 0 },

	[J12_12] = { 12, 12, OPERAND_PCREL },

	[I8_8]	 = {  8,  8, OPERAND_SIGNED },

	[I8_16]  = {  8, 16, OPERAND_SIGNED },

	[I8_24]  = {  8, 24, OPERAND_SIGNED },

	[I8_32]  = {  8, 32, OPERAND_SIGNED },

	[I16_32] = { 16, 32, OPERAND_SIGNED },

	[I16_16] = { 16, 16, OPERAND_SIGNED },

	[U16_16] = { 16, 16, 0 },

	[U16_32] = { 16, 32, 0 },
@@ -202,6 +233,9 @@ static const struct s390_operand operands[] = 
	[U32_16] = { 32, 16, 0 },

	[M_16]	 = {  4, 16, 0 },

	[M_20]	 = {  4, 20, 0 },

	[M_24]	 = {  4, 24, 0 },

	[M_28]	 = {  4, 28, 0 },

	[M_32]	 = {  4, 32, 0 },

	[RO_28]  = {  4, 28, OPERAND_GPR }

};
@@ -283,6 +317,7 @@ static const unsigned char formats[][7] = { 
	[INSTR_RS_RURD]	  = { 0xff, R_8,U4_12,D_20,B_16,0,0 },

	[INSTR_RXE_FRRD]  = { 0xff, F_8,D_20,X_12,B_16,0,0 },

	[INSTR_RXE_RRRD]  = { 0xff, R_8,D_20,X_12,B_16,0,0 },

	[INSTR_RXE_RRRDM] = { 0xff, R_8,D_20,X_12,B_16,M_32,0 },

	[INSTR_RXF_FRRDF] = { 0xff, F_32,F_8,D_20,X_12,B_16,0 },

	[INSTR_RXY_FRRD]  = { 0xff, F_8,D20_20,X_12,B_16,0,0 },

	[INSTR_RXY_RRRD]  = { 0xff, R_8,D20_20,X_12,B_16,0,0 },
@@ -307,6 +342,37 @@ static const unsigned char formats[][7] = { 
	[INSTR_SS_RRRDRD] = { 0xff, D_20,R_8,B_16,D_36,B_32,R_12 },

	[INSTR_S_00]	  = { 0xff, 0,0,0,0,0,0 },

	[INSTR_S_RD]	  = { 0xff, D_20,B_16,0,0,0,0 },

	[INSTR_VRI_V0IM]  = { 0xff, V_8,I16_16,M_32,0,0,0 },

	[INSTR_VRI_V0I0]  = { 0xff, V_8,I16_16,0,0,0,0 },

	[INSTR_VRI_V0IIM] = { 0xff, V_8,I8_16,I8_24,M_32,0,0 },

	[INSTR_VRI_VVIM]  = { 0xff, V_8,I16_16,V_12,M_32,0,0 },

	[INSTR_VRI_VVV0IM]= { 0xff, V_8,V_12,V_16,I8_24,M_32,0 },

	[INSTR_VRI_VVV0I0]= { 0xff, V_8,V_12,V_16,I8_24,0,0 },

	[INSTR_VRI_VVIMM] = { 0xff, V_8,V_12,I16_16,M_32,M_28,0 },

	[INSTR_VRR_VV00MMM]={ 0xff, V_8,V_12,M_32,M_28,M_24,0 },

	[INSTR_VRR_VV000MM]={ 0xff, V_8,V_12,M_32,M_28,0,0 },

	[INSTR_VRR_VV0000M]={ 0xff, V_8,V_12,M_32,0,0,0 },

	[INSTR_VRR_VV00000]={ 0xff, V_8,V_12,0,0,0,0 },

	[INSTR_VRR_VVV0M0M]={ 0xff, V_8,V_12,V_16,M_32,M_24,0 },

	[INSTR_VRR_VV00M0M]={ 0xff, V_8,V_12,M_32,M_24,0,0 },

	[INSTR_VRR_VVV000M]={ 0xff, V_8,V_12,V_16,M_32,0,0 },

	[INSTR_VRR_VVV000V]={ 0xff, V_8,V_12,V_16,V_32,0,0 },

	[INSTR_VRR_VVV0000]={ 0xff, V_8,V_12,V_16,0,0,0 },

	[INSTR_VRR_VVV0MMM]={ 0xff, V_8,V_12,V_16,M_32,M_28,M_24 },

	[INSTR_VRR_VVV00MM]={ 0xff, V_8,V_12,V_16,M_32,M_28,0 },

	[INSTR_VRR_VVVMM0V]={ 0xff, V_8,V_12,V_16,V_32,M_20,M_24 },

	[INSTR_VRR_VVVM0MV]={ 0xff, V_8,V_12,V_16,V_32,M_28,M_20 },

	[INSTR_VRR_VVVM00V]={ 0xff, V_8,V_12,V_16,V_32,M_20,0 },

	[INSTR_VRR_VRR0000]={ 0xff, V_8,R_12,R_16,0,0,0 },

	[INSTR_VRS_VVRDM] = { 0xff, V_8,V_12,D_20,B_16,M_32,0 },

	[INSTR_VRS_VVRD0] = { 0xff, V_8,V_12,D_20,B_16,0,0 },

	[INSTR_VRS_VRRDM] = { 0xff, V_8,R_12,D_20,B_16,M_32,0 },

	[INSTR_VRS_VRRD0] = { 0xff, V_8,R_12,D_20,B_16,0,0 },

	[INSTR_VRS_RVRDM] = { 0xff, R_8,V_12,D_20,B_16,M_32,0 },

	[INSTR_VRV_VVRDM] = { 0xff, V_8,V_12,D_20,B_16,M_32,0 },

	[INSTR_VRV_VWRDM] = { 0xff, V_8,D_20,W_12,B_16,M_32,0 },

	[INSTR_VRX_VRRDM] = { 0xff, V_8,D_20,X_12,B_16,M_32,0 },

	[INSTR_VRX_VRRD0] = { 0xff, V_8,D_20,X_12,B_16,0,0 },

};



enum {
@@ -381,6 +447,11 @@ enum { 
	LONG_INSN_MPCIFC,

	LONG_INSN_STPCIFC,

	LONG_INSN_PCISTB,

	LONG_INSN_VPOPCT,

	LONG_INSN_VERLLV,

	LONG_INSN_VESRAV,

	LONG_INSN_VESRLV,

	LONG_INSN_VSBCBI

};



static char *long_insn_name[] = {
@@ -455,6 +526,11 @@ static char *long_insn_name[] = { 
	[LONG_INSN_MPCIFC] = "mpcifc",

	[LONG_INSN_STPCIFC] = "stpcifc",

	[LONG_INSN_PCISTB] = "pcistb",

	[LONG_INSN_VPOPCT] = "vpopct",

	[LONG_INSN_VERLLV] = "verllv",

	[LONG_INSN_VESRAV] = "vesrav",

	[LONG_INSN_VESRLV] = "vesrlv",

	[LONG_INSN_VSBCBI] = "vsbcbi",

};



static struct s390_insn opcode[] = {
@@ -1369,6 +1445,150 @@ static struct s390_insn opcode_e5[] = { 
	{ "", 0, INSTR_INVALID }

};



static struct s390_insn opcode_e7[] = {

#ifdef CONFIG_64BIT

	{ "lcbb", 0x27, INSTR_RXE_RRRDM },

	{ "vgef", 0x13, INSTR_VRV_VVRDM },

	{ "vgeg", 0x12, INSTR_VRV_VVRDM },

	{ "vgbm", 0x44, INSTR_VRI_V0I0 },

	{ "vgm", 0x46, INSTR_VRI_V0IIM },

	{ "vl", 0x06, INSTR_VRX_VRRD0 },

	{ "vlr", 0x56, INSTR_VRR_VV00000 },

	{ "vlrp", 0x05, INSTR_VRX_VRRDM },

	{ "vleb", 0x00, INSTR_VRX_VRRDM },

	{ "vleh", 0x01, INSTR_VRX_VRRDM },

	{ "vlef", 0x03, INSTR_VRX_VRRDM },

	{ "vleg", 0x02, INSTR_VRX_VRRDM },

	{ "vleib", 0x40, INSTR_VRI_V0IM },

	{ "vleih", 0x41, INSTR_VRI_V0IM },

	{ "vleif", 0x43, INSTR_VRI_V0IM },

	{ "vleig", 0x42, INSTR_VRI_V0IM },

	{ "vlgv", 0x21, INSTR_VRS_RVRDM },

	{ "vllez", 0x04, INSTR_VRX_VRRDM },

	{ "vlm", 0x36, INSTR_VRS_VVRD0 },

	{ "vlbb", 0x07, INSTR_VRX_VRRDM },

	{ "vlvg", 0x22, INSTR_VRS_VRRDM },

	{ "vlvgp", 0x62, INSTR_VRR_VRR0000 },

	{ "vll", 0x37, INSTR_VRS_VRRD0 },

	{ "vmrh", 0x61, INSTR_VRR_VVV000M },

	{ "vmrl", 0x60, INSTR_VRR_VVV000M },

	{ "vpk", 0x94, INSTR_VRR_VVV000M },

	{ "vpks", 0x97, INSTR_VRR_VVV0M0M },

	{ "vpkls", 0x95, INSTR_VRR_VVV0M0M },

	{ "vperm", 0x8c, INSTR_VRR_VVV000V },

	{ "vpdi", 0x84, INSTR_VRR_VVV000M },

	{ "vrep", 0x4d, INSTR_VRI_VVIM },

	{ "vrepi", 0x45, INSTR_VRI_V0IM },

	{ "vscef", 0x1b, INSTR_VRV_VWRDM },

	{ "vsceg", 0x1a, INSTR_VRV_VWRDM },

	{ "vsel", 0x8d, INSTR_VRR_VVV000V },

	{ "vseg", 0x5f, INSTR_VRR_VV0000M },

	{ "vst", 0x0e, INSTR_VRX_VRRD0 },

	{ "vsteb", 0x08, INSTR_VRX_VRRDM },

	{ "vsteh", 0x09, INSTR_VRX_VRRDM },

	{ "vstef", 0x0b, INSTR_VRX_VRRDM },

	{ "vsteg", 0x0a, INSTR_VRX_VRRDM },

	{ "vstm", 0x3e, INSTR_VRS_VVRD0 },

	{ "vstl", 0x3f, INSTR_VRS_VRRD0 },

	{ "vuph", 0xd7, INSTR_VRR_VV0000M },

	{ "vuplh", 0xd5, INSTR_VRR_VV0000M },

	{ "vupl", 0xd6, INSTR_VRR_VV0000M },

	{ "vupll", 0xd4, INSTR_VRR_VV0000M },

	{ "va", 0xf3, INSTR_VRR_VVV000M },

	{ "vacc", 0xf1, INSTR_VRR_VVV000M },

	{ "vac", 0xbb, INSTR_VRR_VVVM00V },

	{ "vaccc", 0xb9, INSTR_VRR_VVVM00V },

	{ "vn", 0x68, INSTR_VRR_VVV0000 },

	{ "vnc", 0x69, INSTR_VRR_VVV0000 },

	{ "vavg", 0xf2, INSTR_VRR_VVV000M },

	{ "vavgl", 0xf0, INSTR_VRR_VVV000M },

	{ "vcksm", 0x66, INSTR_VRR_VVV0000 },

	{ "vec", 0xdb, INSTR_VRR_VV0000M },

	{ "vecl", 0xd9, INSTR_VRR_VV0000M },

	{ "vceq", 0xf8, INSTR_VRR_VVV0M0M },

	{ "vch", 0xfb, INSTR_VRR_VVV0M0M },

	{ "vchl", 0xf9, INSTR_VRR_VVV0M0M },

	{ "vclz", 0x53, INSTR_VRR_VV0000M },

	{ "vctz", 0x52, INSTR_VRR_VV0000M },

	{ "vx", 0x6d, INSTR_VRR_VVV0000 },

	{ "vgfm", 0xb4, INSTR_VRR_VVV000M },

	{ "vgfma", 0xbc, INSTR_VRR_VVVM00V },

	{ "vlc", 0xde, INSTR_VRR_VV0000M },

	{ "vlp", 0xdf, INSTR_VRR_VV0000M },

	{ "vmx", 0xff, INSTR_VRR_VVV000M },

	{ "vmxl", 0xfd, INSTR_VRR_VVV000M },

	{ "vmn", 0xfe, INSTR_VRR_VVV000M },

	{ "vmnl", 0xfc, INSTR_VRR_VVV000M },

	{ "vmal", 0xaa, INSTR_VRR_VVVM00V },

	{ "vmae", 0xae, INSTR_VRR_VVVM00V },

	{ "vmale", 0xac, INSTR_VRR_VVVM00V },

	{ "vmah", 0xab, INSTR_VRR_VVVM00V },

	{ "vmalh", 0xa9, INSTR_VRR_VVVM00V },

	{ "vmao", 0xaf, INSTR_VRR_VVVM00V },

	{ "vmalo", 0xad, INSTR_VRR_VVVM00V },

	{ "vmh", 0xa3, INSTR_VRR_VVV000M },

	{ "vmlh", 0xa1, INSTR_VRR_VVV000M },

	{ "vml", 0xa2, INSTR_VRR_VVV000M },

	{ "vme", 0xa6, INSTR_VRR_VVV000M },

	{ "vmle", 0xa4, INSTR_VRR_VVV000M },

	{ "vmo", 0xa7, INSTR_VRR_VVV000M },

	{ "vmlo", 0xa5, INSTR_VRR_VVV000M },

	{ "vno", 0x6b, INSTR_VRR_VVV0000 },

	{ "vo", 0x6a, INSTR_VRR_VVV0000 },

	{ { 0, LONG_INSN_VPOPCT }, 0x50, INSTR_VRR_VV0000M },

	{ { 0, LONG_INSN_VERLLV }, 0x73, INSTR_VRR_VVV000M },

	{ "verll", 0x33, INSTR_VRS_VVRDM },

	{ "verim", 0x72, INSTR_VRI_VVV0IM },

	{ "veslv", 0x70, INSTR_VRR_VVV000M },

	{ "vesl", 0x30, INSTR_VRS_VVRDM },

	{ { 0, LONG_INSN_VESRAV }, 0x7a, INSTR_VRR_VVV000M },

	{ "vesra", 0x3a, INSTR_VRS_VVRDM },

	{ { 0, LONG_INSN_VESRLV }, 0x78, INSTR_VRR_VVV000M },

	{ "vesrl", 0x38, INSTR_VRS_VVRDM },

	{ "vsl", 0x74, INSTR_VRR_VVV0000 },

	{ "vslb", 0x75, INSTR_VRR_VVV0000 },

	{ "vsldb", 0x77, INSTR_VRI_VVV0I0 },

	{ "vsra", 0x7e, INSTR_VRR_VVV0000 },

	{ "vsrab", 0x7f, INSTR_VRR_VVV0000 },

	{ "vsrl", 0x7c, INSTR_VRR_VVV0000 },

	{ "vsrlb", 0x7d, INSTR_VRR_VVV0000 },

	{ "vs", 0xf7, INSTR_VRR_VVV000M },

	{ "vscb", 0xf5, INSTR_VRR_VVV000M },

	{ "vsb", 0xbf, INSTR_VRR_VVVM00V },

	{ { 0, LONG_INSN_VSBCBI }, 0xbd, INSTR_VRR_VVVM00V },

	{ "vsumg", 0x65, INSTR_VRR_VVV000M },

	{ "vsumq", 0x67, INSTR_VRR_VVV000M },

	{ "vsum", 0x64, INSTR_VRR_VVV000M },

	{ "vtm", 0xd8, INSTR_VRR_VV00000 },

	{ "vfae", 0x82, INSTR_VRR_VVV0M0M },

	{ "vfee", 0x80, INSTR_VRR_VVV0M0M },

	{ "vfene", 0x81, INSTR_VRR_VVV0M0M },

	{ "vistr", 0x5c, INSTR_VRR_VV00M0M },

	{ "vstrc", 0x8a, INSTR_VRR_VVVMM0V },

	{ "vfa", 0xe3, INSTR_VRR_VVV00MM },

	{ "wfc", 0xcb, INSTR_VRR_VV000MM },

	{ "wfk", 0xca, INSTR_VRR_VV000MM },

	{ "vfce", 0xe8, INSTR_VRR_VVV0MMM },

	{ "vfch", 0xeb, INSTR_VRR_VVV0MMM },

	{ "vfche", 0xea, INSTR_VRR_VVV0MMM },

	{ "vcdg", 0xc3, INSTR_VRR_VV00MMM },

	{ "vcdlg", 0xc1, INSTR_VRR_VV00MMM },

	{ "vcgd", 0xc2, INSTR_VRR_VV00MMM },

	{ "vclgd", 0xc0, INSTR_VRR_VV00MMM },

	{ "vfd", 0xe5, INSTR_VRR_VVV00MM },

	{ "vfi", 0xc7, INSTR_VRR_VV00MMM },

	{ "vlde", 0xc4, INSTR_VRR_VV000MM },

	{ "vled", 0xc5, INSTR_VRR_VV00MMM },

	{ "vfm", 0xe7, INSTR_VRR_VVV00MM },

	{ "vfma", 0x8f, INSTR_VRR_VVVM0MV },

	{ "vfms", 0x8e, INSTR_VRR_VVVM0MV },

	{ "vfpso", 0xcc, INSTR_VRR_VV00MMM },

	{ "vfsq", 0xce, INSTR_VRR_VV000MM },

	{ "vfs", 0xe2, INSTR_VRR_VVV00MM },

	{ "vftci", 0x4a, INSTR_VRI_VVIMM },

#endif

};



static struct s390_insn opcode_eb[] = {

#ifdef CONFIG_64BIT

	{ "lmg", 0x04, INSTR_RSY_RRRD },
@@ -1552,16 +1772,17 @@ static struct s390_insn opcode_ed[] = { 
static unsigned int extract_operand(unsigned char *code,

				    const struct s390_operand *operand)

{

	unsigned char *cp;

	unsigned int val;

	int bits;



	/* Extract fragments of the operand byte for byte.  */

	code += operand->shift / 8;

	cp = code + operand->shift / 8;

	bits = (operand->shift & 7) + operand->bits;

	val = 0;

	do {

		val <<= 8;

		val |= (unsigned int) *code++;

		val |= (unsigned int) *cp++;

		bits -= 8;

	} while (bits > 0);

	val >>= -bits;
@@ -1571,6 +1792,18 @@ static unsigned int extract_operand(unsigned char *code, 
	if (operand->bits == 20 && operand->shift == 20)

		val = (val & 0xff) << 12 | (val & 0xfff00) >> 8;



	/* Check for register extensions bits for vector registers. */

	if (operand->flags & OPERAND_VR) {

		if (operand->shift == 8)

			val |= (code[4] & 8) << 1;

		else if (operand->shift == 12)

			val |= (code[4] & 4) << 2;

		else if (operand->shift == 16)

			val |= (code[4] & 2) << 3;

		else if (operand->shift == 32)

			val |= (code[4] & 1) << 4;

	}



	/* Sign extend value if the operand is signed or pc relative.  */

	if ((operand->flags & (OPERAND_SIGNED | OPERAND_PCREL)) &&

	    (val & (1U << (operand->bits - 1))))
@@ -1639,6 +1872,10 @@ struct s390_insn *find_insn(unsigned char *code) 
	case 0xe5:

		table = opcode_e5;

		break;

	case 0xe7:

		table = opcode_e7;

		opfrag = code[5];

		break;

	case 0xeb:

		table = opcode_eb;

		opfrag = code[5];
@@ -1734,6 +1971,8 @@ static int print_insn(char *buffer, unsigned char *code, unsigned long addr) 
				ptr += sprintf(ptr, "%%a%i", value);

			else if (operand->flags & OPERAND_CR)

				ptr += sprintf(ptr, "%%c%i", value);

			else if (operand->flags & OPERAND_VR)

				ptr += sprintf(ptr, "%%v%i", value);

			else if (operand->flags & OPERAND_PCREL)

				ptr += sprintf(ptr, "%lx", (signed int) value

								      + addr);