2007-08-21 Andreas Krebbel <krebbel1@de.ibm.com>
* s390-mkopc.c (struct s390_cond_ext_format): New global struct. (s390_cond_ext_format): New global variable. (expandConditionalJump): New function. (main): Invoke expandConditionalJump for mnemonics containing '*'. * s390-opc.txt: Replace mnemonics with conditional mask extensions with instructions using the newly introduced '*' tag.
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3 changed files with 138 additions and 83 deletions
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@ -1,3 +1,12 @@
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2007-08-21 Andreas Krebbel <krebbel1@de.ibm.com>
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* s390-mkopc.c (struct s390_cond_ext_format): New global struct.
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(s390_cond_ext_format): New global variable.
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(expandConditionalJump): New function.
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(main): Invoke expandConditionalJump for mnemonics containing '*'.
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* s390-opc.txt: Replace mnemonics with conditional
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mask extensions with instructions using the newly introduced '*' tag.
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2007-08-17 Alan Modra <amodra@bigpond.net.au>
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* po/Make-in: Add --msgid-bugs-address to xgettext invocation.
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@ -115,6 +115,123 @@ insertOpcode (char *opcode, char *mnemonic, char *format,
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no_ops++;
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}
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struct s390_cond_ext_format
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{
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char nibble;
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char extension[4];
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};
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#define NUM_COND_EXTENSIONS 20
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const struct s390_cond_ext_format s390_cond_extensions[NUM_COND_EXTENSIONS] =
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{
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{ '1', "o" }, /* jump on overflow / if ones */
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{ '2', "h" }, /* jump on A high */
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{ '2', "p" }, /* jump on plus */
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{ '3', "nle" }, /* jump on not low or equal */
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{ '4', "l" }, /* jump on A low */
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{ '4', "m" }, /* jump on minus / if mixed */
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{ '5', "nhe" }, /* jump on not high or equal */
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{ '6', "lh" }, /* jump on low or high */
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{ '7', "ne" }, /* jump on A not equal B */
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{ '7', "nz" }, /* jump on not zero / if not zeros */
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{ '8', "e" }, /* jump on A equal B */
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{ '8', "z" }, /* jump on zero / if zeros */
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{ '9', "nlh" }, /* jump on not low or high */
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{ 'a', "he" }, /* jump on high or equal */
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{ 'b', "nl" }, /* jump on A not low */
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{ 'b', "nm" }, /* jump on not minus / if not mixed */
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{ 'c', "le" }, /* jump on low or equal */
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{ 'd', "nh" }, /* jump on A not high */
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{ 'd', "np" }, /* jump on not plus */
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{ 'e', "no" }, /* jump on not overflow / if not ones */
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};
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/* As with insertOpcode instructions are added to the sorted opcode
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array. Additionally mnemonics containing the '*<number>' tag are
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expanded to the set of conditional instructions described by
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s390_cond_extensions with the '*<number>' tag replaced by the
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respective mnemonic extensions. */
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static void
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expandConditionalJump (char *opcode, char *mnemonic, char *format,
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int min_cpu, int mode_bits)
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{
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char prefix[5];
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char suffix[5];
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char number[5];
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int mask_start, i = 0, star_found = 0, reading_number = 0;
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int number_p = 0, suffix_p = 0, prefix_p = 0;
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while (mnemonic[i] != '\0')
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{
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switch (mnemonic[i])
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{
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case '*':
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if (star_found)
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goto malformed_mnemonic;
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star_found = 1;
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reading_number = 1;
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break;
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case '0': case '1': case '2': case '3': case '4':
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case '5': case '6': case '7': case '8': case '9':
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if (!star_found || !reading_number)
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goto malformed_mnemonic;
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number[number_p++] = mnemonic[i];
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break;
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default:
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if (reading_number)
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{
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if (!number_p)
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goto malformed_mnemonic;
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else
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reading_number = 0;
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}
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if (star_found)
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suffix[suffix_p++] = mnemonic[i];
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else
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prefix[prefix_p++] = mnemonic[i];
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}
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i++;
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}
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prefix[prefix_p] = '\0';
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suffix[suffix_p] = '\0';
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number[number_p] = '\0';
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if (sscanf (number, "%d", &mask_start) != 1)
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goto malformed_mnemonic;
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if (mask_start & 3)
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{
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fprintf (stderr, "Conditional mask not at nibble boundary in: %s\n",
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mnemonic);
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return;
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}
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mask_start >>= 2;
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for (i = 0; i < NUM_COND_EXTENSIONS; i++)
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{
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char new_mnemonic[15];
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strcpy (new_mnemonic, prefix);
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strcat (new_mnemonic, s390_cond_extensions[i].extension);
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strcat (new_mnemonic, suffix);
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opcode[mask_start] = s390_cond_extensions[i].nibble;
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insertOpcode (opcode, new_mnemonic, format, min_cpu, mode_bits);
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}
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return;
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malformed_mnemonic:
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fprintf (stderr, "Malformed mnemonic: %s\n", mnemonic);
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}
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static char file_header[] =
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"/* The opcode table. This file was generated by s390-mkopc.\n\n"
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" The format of the opcode table is:\n\n"
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if (*str == ',')
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str++;
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} while (*str != 0);
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insertOpcode (opcode, mnemonic, format, min_cpu, mode_bits);
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if (!strchr (mnemonic, '*'))
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insertOpcode (opcode, mnemonic, format, min_cpu, mode_bits);
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else
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expandConditionalJump (opcode, mnemonic, format,
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min_cpu, mode_bits);
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}
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else
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fprintf (stderr, "Couldn't scan line %s\n", currentLine);
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@ -262,70 +262,13 @@ b252 msr RRE_RR "multiply single" g5 esa,zarch
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a700 tmh RI_RU "test under mask high" g5 esa,zarch
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a701 tml RI_RU "test under mask low" g5 esa,zarch
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0700 nopr RR_0R "no operation" g5 esa,zarch
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0710 bor RR_0R "branch on overflow / if ones" g5 esa,zarch
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0720 bhr RR_0R "branch on high" g5 esa,zarch
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0720 bpr RR_0R "branch on plus" g5 esa,zarch
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0730 bnler RR_0R "branch on not low or equal" g5 esa,zarch
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0740 blr RR_0R "branch on low" g5 esa,zarch
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0740 bmr RR_0R "branch on minus / if mixed" g5 esa,zarch
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0750 bnher RR_0R "branch on not high or equal" g5 esa,zarch
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0760 blhr RR_0R "branch on low or high" g5 esa,zarch
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0770 bner RR_0R "branch on not equal" g5 esa,zarch
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0770 bnzr RR_0R "branch on not zero / if not zeros" g5 esa,zarch
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0780 ber RR_0R "branch on equal" g5 esa,zarch
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0780 bzr RR_0R "branch on zero / if zeros" g5 esa,zarch
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0790 bnlhr RR_0R "branch on not low or high" g5 esa,zarch
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07a0 bher RR_0R "branch on high or equal" g5 esa,zarch
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07b0 bnlr RR_0R "branch on not low" g5 esa,zarch
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07b0 bnmr RR_0R "branch on not minus / if not mixed" g5 esa,zarch
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07c0 bler RR_0R "brach on low or equal" g5 esa,zarch
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07d0 bnhr RR_0R "branch on not high" g5 esa,zarch
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07d0 bnpr RR_0R "branch on not plus" g5 esa,zarch
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07e0 bnor RR_0R "branch on not overflow / if not ones" g5 esa,zarch
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0700 b*8r RR_0R "conditional branch" g5 esa,zarch
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07f0 br RR_0R "unconditional branch" g5 esa,zarch
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4700 nop RX_0RRD "no operation" g5 esa,zarch
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4710 bo RX_0RRD "branch on overflow / if ones" g5 esa,zarch
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4720 bh RX_0RRD "branch on high" g5 esa,zarch
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4720 bp RX_0RRD "branch on plus" g5 esa,zarch
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4730 bnle RX_0RRD "branch on not low or equal" g5 esa,zarch
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4740 bl RX_0RRD "branch on low" g5 esa,zarch
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4740 bm RX_0RRD "branch on minus / if mixed" g5 esa,zarch
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4750 bnhe RX_0RRD "branch on not high or equal" g5 esa,zarch
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4760 blh RX_0RRD "branch on low or high" g5 esa,zarch
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4770 bne RX_0RRD "branch on not equal" g5 esa,zarch
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4770 bnz RX_0RRD "branch on not zero / if not zeros" g5 esa,zarch
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4780 be RX_0RRD "branch on equal" g5 esa,zarch
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4780 bz RX_0RRD "branch on zero / if zeros" g5 esa,zarch
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4790 bnlh RX_0RRD "branch on not low or high" g5 esa,zarch
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47a0 bhe RX_0RRD "branch on high or equal" g5 esa,zarch
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47b0 bnl RX_0RRD "branch on not low" g5 esa,zarch
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47b0 bnm RX_0RRD "branch on not minus / if not mixed" g5 esa,zarch
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47c0 ble RX_0RRD "branch on low or equal" g5 esa,zarch
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47d0 bnh RX_0RRD "branch on not high" g5 esa,zarch
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47d0 bnp RX_0RRD "branch on not plus" g5 esa,zarch
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47e0 bno RX_0RRD "branch on not overflow / if not ones" g5 esa,zarch
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4700 b*8 RX_0RRD "conditional branch" g5 esa,zarch
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47f0 b RX_0RRD "unconditional branch" g5 esa,zarch
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a714 jo RI_0P "jump on overflow / if ones" g5 esa,zarch
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a724 jh RI_0P "jump on A high" g5 esa,zarch
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a724 jp RI_0P "jump on plus" g5 esa,zarch
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a734 jnle RI_0P "jump on not low or equal" g5 esa,zarch
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a744 jl RI_0P "jump on A low" g5 esa,zarch
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a744 jm RI_0P "jump on minus / if mixed" g5 esa,zarch
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a754 jnhe RI_0P "jump on not high or equal" g5 esa,zarch
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a764 jlh RI_0P "jump on low or high" g5 esa,zarch
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a774 jne RI_0P "jump on A not equal B" g5 esa,zarch
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a774 jnz RI_0P "jump on not zero / if not zeros" g5 esa,zarch
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a784 je RI_0P "jump on A equal B" g5 esa,zarch
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a784 jz RI_0P "jump on zero / if zeros" g5 esa,zarch
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a794 jnlh RI_0P "jump on not low or high" g5 esa,zarch
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a7a4 jhe RI_0P "jump on high or equal" g5 esa,zarch
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a7b4 jnl RI_0P "jump on A not low" g5 esa,zarch
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a7b4 jnm RI_0P "jump on not minus / if not mixed" g5 esa,zarch
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a7c4 jle RI_0P "jump on low or equal" g5 esa,zarch
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a7d4 jnh RI_0P "jump on A not high" g5 esa,zarch
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a7d4 jnp RI_0P "jump on not plus" g5 esa,zarch
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a7e4 jno RI_0P "jump on not overflow / if not ones" g5 esa,zarch
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a7f4 j RI_0P "jump" g5 esa,zarch
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a704 j*8 RI_0P "conditional jump" g5 esa,zarch
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a7f4 j RI_0P "unconditional jump" g5 esa,zarch
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b34a axbr RRE_FF "add extended bfp" g5 esa,zarch
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b31a adbr RRE_FF "add long bfp" g5 esa,zarch
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ed000000001a adb RXE_FRRD "add long bfp" g5 esa,zarch
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@ -520,27 +463,8 @@ eb0000000080 icmh RSE_RURD "insert characters under mask high" z900 zarch
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a702 tmhh RI_RU "test under mask high high" z900 zarch
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a703 tmhl RI_RU "test under mask high low" z900 zarch
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c004 brcl RIL_UP "branch relative on condition long" z900 esa,zarch
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c014 jgo RIL_0P "jump long on overflow / if ones" z900 esa,zarch
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c024 jgh RIL_0P "jump long on high" z900 esa,zarch
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c024 jgp RIL_0P "jump long on plus" z900 esa,zarch
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c034 jgnle RIL_0P "jump long on not low or equal" z900 esa,zarch
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c044 jgl RIL_0P "jump long on low" z900 esa,zarch
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c044 jgm RIL_0P "jump long on minus / if mixed" z900 esa,zarch
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c054 jgnhe RIL_0P "jump long on not high or equal" z900 esa,zarch
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c064 jglh RIL_0P "jump long on low or high" z900 esa,zarch
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c074 jgne RIL_0P "jump long on not equal" z900 esa,zarch
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c074 jgnz RIL_0P "jump long on not zero / if not zeros" z900 esa,zarch
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c084 jge RIL_0P "jump long on equal" z900 esa,zarch
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c084 jgz RIL_0P "jump long on zero / if zeros" z900 esa,zarch
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c094 jgnlh RIL_0P "jump long on not low or high" z900 esa,zarch
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c0a4 jghe RIL_0P "jump long on high or equal" z900 esa,zarch
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c0b4 jgnl RIL_0P "jump long on not low" z900 esa,zarch
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c0b4 jgnm RIL_0P "jump long on not minus / if not mixed" z900 esa,zarch
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c0c4 jgle RIL_0P "jump long on low or equal" z900 esa,zarch
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c0d4 jgnh RIL_0P "jump long on not high" z900 esa,zarch
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c0d4 jgnp RIL_0P "jump long on not plus" z900 esa,zarch
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c0e4 jgno RIL_0P "jump long on not overflow / if not ones" z900 esa,zarch
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c0f4 jg RIL_0P "jump long" z900 esa,zarch
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c004 jg*8 RIL_0P "conditional jump long" z900 esa,zarch
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c0f4 jg RIL_0P "unconditional jump long" z900 esa,zarch
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c005 brasl RIL_RP "branch relative and save long" z900 esa,zarch
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a707 brctg RI_RP "branch relative on count 64" z900 zarch
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a709 lghi RI_RI "load halfword immediate 64" z900 zarch
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