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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2009-06-19 10:55:42 +0000
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2009-06-19 10:55:42 +0000
commitce21feb4baa0e93d4ce510f755cd5b92ec1580d0 (patch)
tree49d30babd6749552e49ebad3283a8e8c79129640
parentb8674692ae6dc6be8d235e2a4cef7f13402f2322 (diff)
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* s390-opc.c (INSTR_RR_0R_OPT, INSTR_RX_0RRD_OPT, MASK_RR_0R_OPT,
MASK_RX_0RRD_OPT): New instruction formats with optional arguments. * s390-opc.txt (nopr, nop): Use new instruction format.
-rw-r--r--opcodes/ChangeLog6
-rw-r--r--opcodes/s390-opc.c104
-rw-r--r--opcodes/s390-opc.txt4
3 files changed, 64 insertions, 50 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index a3a2263..82639d8 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,9 @@
+2009-06-19 Martin Schwidefsky <sschwidefsky@de.ibm.com>
+
+ * s390-opc.c (INSTR_RR_0R_OPT, INSTR_RX_0RRD_OPT, MASK_RR_0R_OPT,
+ MASK_RX_0RRD_OPT): New instruction formats with optional arguments.
+ * s390-opc.txt (nopr, nop): Use new instruction format.
+
2009-06-18 Nick Clifton <nickc@redhat.com>
PR 10288
diff --git a/opcodes/s390-opc.c b/opcodes/s390-opc.c
index bf3b58d..00cc204 100644
--- a/opcodes/s390-opc.c
+++ b/opcodes/s390-opc.c
@@ -48,132 +48,136 @@ const struct s390_operand s390_operands[] =
{ 4, 8, S390_OPERAND_GPR },
#define R_12 2 /* GPR starting at position 12 */
{ 4, 12, S390_OPERAND_GPR },
-#define R_16 3 /* GPR starting at position 16 */
+#define RO_12 3 /* optional GPR starting at position 12 */
+ { 4, 12, S390_OPERAND_GPR|S390_OPERAND_OPTIONAL },
+#define R_16 4 /* GPR starting at position 16 */
{ 4, 16, S390_OPERAND_GPR },
-#define R_20 4 /* GPR starting at position 20 */
+#define R_20 5 /* GPR starting at position 20 */
{ 4, 20, S390_OPERAND_GPR },
-#define R_24 5 /* GPR starting at position 24 */
+#define R_24 6 /* GPR starting at position 24 */
{ 4, 24, S390_OPERAND_GPR },
-#define R_28 6 /* GPR starting at position 28 */
+#define R_28 7 /* GPR starting at position 28 */
{ 4, 28, S390_OPERAND_GPR },
-#define RO_28 7 /* optional GPR starting at position 28 */
+#define RO_28 8 /* optional GPR starting at position 28 */
{ 4, 28, (S390_OPERAND_GPR | S390_OPERAND_OPTIONAL) },
-#define R_32 8 /* GPR starting at position 32 */
+#define R_32 9 /* GPR starting at position 32 */
{ 4, 32, S390_OPERAND_GPR },
/* Floating point register operands. */
-#define F_8 9 /* FPR starting at position 8 */
+#define F_8 10 /* FPR starting at position 8 */
{ 4, 8, S390_OPERAND_FPR },
-#define F_12 10 /* FPR starting at position 12 */
+#define F_12 11 /* FPR starting at position 12 */
{ 4, 12, S390_OPERAND_FPR },
-#define F_16 11 /* FPR starting at position 16 */
+#define F_16 12 /* FPR starting at position 16 */
{ 4, 16, S390_OPERAND_FPR },
-#define F_20 12 /* FPR starting at position 16 */
+#define F_20 13 /* FPR starting at position 16 */
{ 4, 16, S390_OPERAND_FPR },
-#define F_24 13 /* FPR starting at position 24 */
+#define F_24 14 /* FPR starting at position 24 */
{ 4, 24, S390_OPERAND_FPR },
-#define F_28 14 /* FPR starting at position 28 */
+#define F_28 15 /* FPR starting at position 28 */
{ 4, 28, S390_OPERAND_FPR },
-#define F_32 15 /* FPR starting at position 32 */
+#define F_32 16 /* FPR starting at position 32 */
{ 4, 32, S390_OPERAND_FPR },
/* Access register operands. */
-#define A_8 16 /* Access reg. starting at position 8 */
+#define A_8 17 /* Access reg. starting at position 8 */
{ 4, 8, S390_OPERAND_AR },
-#define A_12 17 /* Access reg. starting at position 12 */
+#define A_12 18 /* Access reg. starting at position 12 */
{ 4, 12, S390_OPERAND_AR },
-#define A_24 18 /* Access reg. starting at position 24 */
+#define A_24 19 /* Access reg. starting at position 24 */
{ 4, 24, S390_OPERAND_AR },
-#define A_28 19 /* Access reg. starting at position 28 */
+#define A_28 20 /* Access reg. starting at position 28 */
{ 4, 28, S390_OPERAND_AR },
/* Control register operands. */
-#define C_8 20 /* Control reg. starting at position 8 */
+#define C_8 21 /* Control reg. starting at position 8 */
{ 4, 8, S390_OPERAND_CR },
-#define C_12 21 /* Control reg. starting at position 12 */
+#define C_12 22 /* Control reg. starting at position 12 */
{ 4, 12, S390_OPERAND_CR },
/* Base register operands. */
-#define B_16 22 /* Base register starting at position 16 */
+#define B_16 23 /* Base register starting at position 16 */
{ 4, 16, S390_OPERAND_BASE|S390_OPERAND_GPR },
-#define B_32 23 /* Base register starting at position 32 */
+#define B_32 24 /* Base register starting at position 32 */
{ 4, 32, S390_OPERAND_BASE|S390_OPERAND_GPR },
-#define X_12 24 /* Index register starting at position 12 */
+#define X_12 25 /* Index register starting at position 12 */
{ 4, 12, S390_OPERAND_INDEX|S390_OPERAND_GPR },
/* Address displacement operands. */
-#define D_20 25 /* Displacement starting at position 20 */
+#define D_20 26 /* Displacement starting at position 20 */
{ 12, 20, S390_OPERAND_DISP },
-#define D_36 26 /* Displacement starting at position 36 */
+#define DO_20 27 /* optional Displ. starting at position 20 */
+ { 12, 20, S390_OPERAND_DISP|S390_OPERAND_OPTIONAL },
+#define D_36 28 /* Displacement starting at position 36 */
{ 12, 36, S390_OPERAND_DISP },
-#define D20_20 27 /* 20 bit displacement starting at 20 */
+#define D20_20 29 /* 20 bit displacement starting at 20 */
{ 20, 20, S390_OPERAND_DISP|S390_OPERAND_SIGNED },
/* Length operands. */
-#define L4_8 28 /* 4 bit length starting at position 8 */
+#define L4_8 30 /* 4 bit length starting at position 8 */
{ 4, 8, S390_OPERAND_LENGTH },
-#define L4_12 29 /* 4 bit length starting at position 12 */
+#define L4_12 31 /* 4 bit length starting at position 12 */
{ 4, 12, S390_OPERAND_LENGTH },
-#define L8_8 30 /* 8 bit length starting at position 8 */
+#define L8_8 32 /* 8 bit length starting at position 8 */
{ 8, 8, S390_OPERAND_LENGTH },
/* Signed immediate operands. */
-#define I8_8 31 /* 8 bit signed value starting at 8 */
+#define I8_8 33 /* 8 bit signed value starting at 8 */
{ 8, 8, S390_OPERAND_SIGNED },
-#define I8_32 32 /* 8 bit signed value starting at 32 */
+#define I8_32 34 /* 8 bit signed value starting at 32 */
{ 8, 32, S390_OPERAND_SIGNED },
-#define I16_16 33 /* 16 bit signed value starting at 16 */
+#define I16_16 35 /* 16 bit signed value starting at 16 */
{ 16, 16, S390_OPERAND_SIGNED },
-#define I16_32 34 /* 16 bit signed value starting at 32 */
+#define I16_32 36 /* 16 bit signed value starting at 32 */
{ 16, 32, S390_OPERAND_SIGNED },
-#define I32_16 35 /* 32 bit signed value starting at 16 */
+#define I32_16 37 /* 32 bit signed value starting at 16 */
{ 32, 16, S390_OPERAND_SIGNED },
/* Unsigned immediate operands. */
-#define U4_8 36 /* 4 bit unsigned value starting at 8 */
+#define U4_8 38 /* 4 bit unsigned value starting at 8 */
{ 4, 8, 0 },
-#define U4_12 37 /* 4 bit unsigned value starting at 12 */
+#define U4_12 39 /* 4 bit unsigned value starting at 12 */
{ 4, 12, 0 },
-#define U4_16 38 /* 4 bit unsigned value starting at 16 */
+#define U4_16 40 /* 4 bit unsigned value starting at 16 */
{ 4, 16, 0 },
-#define U4_20 39 /* 4 bit unsigned value starting at 20 */
+#define U4_20 41 /* 4 bit unsigned value starting at 20 */
{ 4, 20, 0 },
-#define U4_32 40 /* 4 bit unsigned value starting at 32 */
+#define U4_32 42 /* 4 bit unsigned value starting at 32 */
{ 4, 32, 0 },
-#define U8_8 41 /* 8 bit unsigned value starting at 8 */
+#define U8_8 43 /* 8 bit unsigned value starting at 8 */
{ 8, 8, 0 },
-#define U8_16 42 /* 8 bit unsigned value starting at 16 */
+#define U8_16 44 /* 8 bit unsigned value starting at 16 */
{ 8, 16, 0 },
-#define U8_24 43 /* 8 bit unsigned value starting at 24 */
+#define U8_24 45 /* 8 bit unsigned value starting at 24 */
{ 8, 24, 0 },
-#define U8_32 44 /* 8 bit unsigned value starting at 32 */
+#define U8_32 46 /* 8 bit unsigned value starting at 32 */
{ 8, 32, 0 },
-#define U16_16 45 /* 16 bit unsigned value starting at 16 */
+#define U16_16 47 /* 16 bit unsigned value starting at 16 */
{ 16, 16, 0 },
-#define U16_32 46 /* 16 bit unsigned value starting at 32 */
+#define U16_32 48 /* 16 bit unsigned value starting at 32 */
{ 16, 32, 0 },
-#define U32_16 47 /* 32 bit unsigned value starting at 16 */
+#define U32_16 49 /* 32 bit unsigned value starting at 16 */
{ 32, 16, 0 },
/* PC-relative address operands. */
-#define J16_16 48 /* PC relative jump offset at 16 */
+#define J16_16 50 /* PC relative jump offset at 16 */
{ 16, 16, S390_OPERAND_PCREL },
-#define J32_16 49 /* PC relative long offset at 16 */
+#define J32_16 51 /* PC relative long offset at 16 */
{ 32, 16, S390_OPERAND_PCREL },
/* Conditional mask operands. */
-#define M_16 50 /* 4 bit optional mask starting at 16 */
+#define M_16 52 /* 4 bit optional mask starting at 16 */
{ 4, 16, S390_OPERAND_OPTIONAL },
};
@@ -278,6 +282,7 @@ const struct s390_operand s390_operands[] =
#define INSTR_RRF_U0RR 4, { R_24,R_28,U4_16,0,0,0 } /* e.g. clrt */
#define INSTR_RRF_00RR 4, { R_24,R_28,0,0,0,0 } /* e.g. clrtne */
#define INSTR_RR_0R 2, { R_12, 0,0,0,0,0 } /* e.g. br */
+#define INSTR_RR_0R_OPT 2, { RO_12, 0,0,0,0,0 } /* e.g. nopr */
#define INSTR_RR_FF 2, { F_8,F_12,0,0,0,0 } /* e.g. adr */
#define INSTR_RR_R0 2, { R_8, 0,0,0,0,0 } /* e.g. spm */
#define INSTR_RR_RR 2, { R_8,R_12,0,0,0,0 } /* e.g. lr */
@@ -308,6 +313,7 @@ const struct s390_operand s390_operands[] =
#define INSTR_RXY_FRRD 6, { F_8,D20_20,X_12,B_16,0,0 } /* e.g. ley */
#define INSTR_RXY_URRD 6, { U4_8,D20_20,X_12,B_16,0,0 } /* e.g. pfd */
#define INSTR_RX_0RRD 4, { D_20,X_12,B_16,0,0,0 } /* e.g. be */
+#define INSTR_RX_0RRD_OPT 4, { DO_20,X_12,B_16,0,0,0 } /* e.g. nop */
#define INSTR_RX_FRRD 4, { F_8,D_20,X_12,B_16,0,0 } /* e.g. ae */
#define INSTR_RX_RRRD 4, { R_8,D_20,X_12,B_16,0,0 } /* e.g. l */
#define INSTR_RX_URRD 4, { U4_8,D_20,X_12,B_16,0,0 } /* e.g. bc */
@@ -382,6 +388,7 @@ const struct s390_operand s390_operands[] =
#define MASK_RRF_U0RR { 0xff, 0xff, 0x0f, 0x00, 0x00, 0x00 }
#define MASK_RRF_00RR { 0xff, 0xff, 0xff, 0x00, 0x00, 0x00 }
#define MASK_RR_0R { 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00 }
+#define MASK_RR_0R_OPT { 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00 }
#define MASK_RR_FF { 0xff, 0x00, 0x00, 0x00, 0x00, 0x00 }
#define MASK_RR_R0 { 0xff, 0x0f, 0x00, 0x00, 0x00, 0x00 }
#define MASK_RR_RR { 0xff, 0x00, 0x00, 0x00, 0x00, 0x00 }
@@ -412,6 +419,7 @@ const struct s390_operand s390_operands[] =
#define MASK_RXY_FRRD { 0xff, 0x00, 0x00, 0x00, 0x00, 0xff }
#define MASK_RXY_URRD { 0xff, 0x00, 0x00, 0x00, 0x00, 0xff }
#define MASK_RX_0RRD { 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00 }
+#define MASK_RX_0RRD_OPT { 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00 }
#define MASK_RX_FRRD { 0xff, 0x00, 0x00, 0x00, 0x00, 0x00 }
#define MASK_RX_RRRD { 0xff, 0x00, 0x00, 0x00, 0x00, 0x00 }
#define MASK_RX_URRD { 0xff, 0x00, 0x00, 0x00, 0x00, 0x00 }
diff --git a/opcodes/s390-opc.txt b/opcodes/s390-opc.txt
index 0753af0..0f43b55 100644
--- a/opcodes/s390-opc.txt
+++ b/opcodes/s390-opc.txt
@@ -260,10 +260,10 @@ b252 msr RRE_RR "multiply single" g5 esa,zarch
71 ms RX_RRRD "multiply single" g5 esa,zarch
a700 tmh RI_RU "test under mask high" g5 esa,zarch
a701 tml RI_RU "test under mask low" g5 esa,zarch
-0700 nopr RR_0R "no operation" g5 esa,zarch
+0700 nopr RR_0R_OPT "no operation" g5 esa,zarch
0700 b*8r RR_0R "conditional branch" g5 esa,zarch
07f0 br RR_0R "unconditional branch" g5 esa,zarch
-4700 nop RX_0RRD "no operation" g5 esa,zarch
+4700 nop RX_0RRD_OPT "no operation" g5 esa,zarch
4700 b*8 RX_0RRD "conditional branch" g5 esa,zarch
47f0 b RX_0RRD "unconditional branch" g5 esa,zarch
a704 j*8 RI_0P "conditional jump" g5 esa,zarch