X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=opcodes%2Flm32-ibld.c;h=9b594e8e0e248561cdf96281a1aed8e465f2bb27;hb=3c5a0e025bf0163ce6a540ac0a18a91f97e215a3;hp=52fbc294dd44053a4bb1e754339de15f881e2dac;hpb=84e94c9023c5d75f0ab10f9aa572003f9612b6ab;p=deliverable%2Fbinutils-gdb.git diff --git a/opcodes/lm32-ibld.c b/opcodes/lm32-ibld.c index 52fbc294dd..9b594e8e0e 100644 --- a/opcodes/lm32-ibld.c +++ b/opcodes/lm32-ibld.c @@ -1,10 +1,10 @@ +/* DO NOT EDIT! -*- buffer-read-only: t -*- vi:set ro: */ /* Instruction building/extraction support for lm32. -*- C -*- THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator. - the resultant file is machine generated, cgen-ibld.in isn't - Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2005, 2006, 2007, - 2008 Free Software Foundation, Inc. + Copyright (C) 1996-2020 Free Software Foundation, Inc. This file is part of libopcodes. @@ -33,6 +33,7 @@ #include "symcat.h" #include "lm32-desc.h" #include "lm32-opc.h" +#include "cgen/basic-modes.h" #include "opintl.h" #include "safe-ctype.h" @@ -137,7 +138,7 @@ insert_normal (CGEN_CPU_DESC cd, if (length == 0) return NULL; - if (word_length > 32) + if (word_length > 8 * sizeof (CGEN_INSN_INT)) abort (); /* For architectures with insns smaller than the base-insn-bitsize, @@ -154,7 +155,7 @@ insert_normal (CGEN_CPU_DESC cd, { long minval = - (1L << (length - 1)); unsigned long maxval = mask; - + if ((value > 0 && (unsigned long) value > maxval) || value < minval) { @@ -192,7 +193,7 @@ insert_normal (CGEN_CPU_DESC cd, { long minval = - (1L << (length - 1)); long maxval = (1L << (length - 1)) - 1; - + if (value < minval || value > maxval) { sprintf @@ -207,12 +208,19 @@ insert_normal (CGEN_CPU_DESC cd, #if CGEN_INT_INSN_P { - int shift; + int shift_within_word, shift_to_word, shift; + /* How to shift the value to BIT0 of the word. */ + shift_to_word = total_length - (word_offset + word_length); + + /* How to shift the value to the field within the word. */ if (CGEN_INSN_LSB0_P) - shift = (word_offset + start + 1) - length; + shift_within_word = start + 1 - length; else - shift = total_length - (word_offset + start + length); + shift_within_word = word_length - start - length; + + /* The total SHIFT, then mask in the value. */ + shift = shift_to_word + shift_within_word; *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift); } @@ -441,7 +449,7 @@ extract_normal (CGEN_CPU_DESC cd, return 1; } - if (word_length > 32) + if (word_length > 8 * sizeof (CGEN_INSN_INT)) abort (); /* For architectures with insns smaller than the insn-base-bitsize, @@ -468,11 +476,14 @@ extract_normal (CGEN_CPU_DESC cd, { unsigned char *bufp = ex_info->insn_bytes + word_offset / 8; - if (word_length > 32) + if (word_length > 8 * sizeof (CGEN_INSN_INT)) abort (); if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0) - return 0; + { + *valuep = 0; + return 0; + } value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc); } @@ -568,14 +579,14 @@ lm32_cgen_insert_operand (CGEN_CPU_DESC cd, case LM32_OPERAND_BRANCH : { long value = fields->f_branch; - value = ((int) (((value) - (pc))) >> (2)); + value = ((SI) (((value) - (pc))) >> (2)); errmsg = insert_normal (cd, value, 0|(1<f_call; - value = ((int) (((value) - (pc))) >> (2)); + value = ((SI) (((value) - (pc))) >> (2)); errmsg = insert_normal (cd, value, 0|(1<> (14)))); + value = ((pc) + (((((((((value) & (65535))) << (2))) ^ (131072))) - (131072)))); fields->f_branch = value; } break; @@ -679,7 +691,7 @@ lm32_cgen_extract_operand (CGEN_CPU_DESC cd, { long value; length = extract_normal (cd, ex_info, insn_value, 0|(1<> (4)))); + value = ((pc) + (((((((((value) & (67108863))) << (2))) ^ (134217728))) - (134217728)))); fields->f_call = value; } break; @@ -731,20 +743,21 @@ lm32_cgen_extract_operand (CGEN_CPU_DESC cd, default : /* xgettext:c-format */ - fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"), - opindex); + opcodes_error_handler + (_("internal error: unrecognized field %d while decoding insn"), + opindex); abort (); } return length; } -cgen_insert_fn * const lm32_cgen_insert_handlers[] = +cgen_insert_fn * const lm32_cgen_insert_handlers[] = { insert_insn_normal, }; -cgen_extract_fn * const lm32_cgen_extract_handlers[] = +cgen_extract_fn * const lm32_cgen_extract_handlers[] = { extract_insn_normal, }; @@ -820,8 +833,9 @@ lm32_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, default : /* xgettext:c-format */ - fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"), - opindex); + opcodes_error_handler + (_("internal error: unrecognized field %d while getting int operand"), + opindex); abort (); } @@ -891,8 +905,9 @@ lm32_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, default : /* xgettext:c-format */ - fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"), - opindex); + opcodes_error_handler + (_("internal error: unrecognized field %d while getting vma operand"), + opindex); abort (); } @@ -969,8 +984,9 @@ lm32_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, default : /* xgettext:c-format */ - fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"), - opindex); + opcodes_error_handler + (_("internal error: unrecognized field %d while setting int operand"), + opindex); abort (); } } @@ -1037,8 +1053,9 @@ lm32_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, default : /* xgettext:c-format */ - fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"), - opindex); + opcodes_error_handler + (_("internal error: unrecognized field %d while setting vma operand"), + opindex); abort (); } }