From ef393a8fad976074a2c1e4581adcb644cba20988 Mon Sep 17 00:00:00 2001 From: "Frank Ch. Eigler" Date: Thu, 12 Jul 2001 02:32:25 +0000 Subject: * some support for funny-endian 16/32-bit insn sets [cgen/ChangeLog] 2001-07-11 Frank Ch. Eigler * desc-cpu.scm (-gen-mach-table-defns): Emit fourth field: the mach->cpu insn-chunk-bitsize. (-gen-cpu-open): In @arch@_cgen_rebuild_tables, process above new field toward CGEN_CPU_TABLE->insn_chunk_bitsize. * mach.scm (): New field insn-chunk-bitsize. (-cpu-parse, -cpu-read): Parse/initialize it. * doc/rtl.texi (define-cpu): Document it. [opcodes/ChangeLog] 2001-07-11 Frank Ch. Eigler * cgen-dis.in (print_insn): Use cgen_get_insn_value instead of bfd_get_bits. * cgen-opc.c (cgen_get_insn_value, cgen_put_insn_value): Respect non-zero CGEN_CPU_DESC->insn_chunk_bitsize. [include/opcode/ChangeLog] 2001-07-11 Frank Ch. Eigler * cgen.h (CGEN_MACH): Add insn_chunk_bitsize field. (cgen_cpu_desc): Ditto. --- include/opcode/ChangeLog | 5 +++++ include/opcode/cgen.h | 6 ++++++ 2 files changed, 11 insertions(+) diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog index 8ab1f704f..a027c8df7 100644 --- a/include/opcode/ChangeLog +++ b/include/opcode/ChangeLog @@ -1,3 +1,8 @@ +2001-07-11 Frank Ch. Eigler + + * cgen.h (CGEN_MACH): Add insn_chunk_bitsize field. + (cgen_cpu_desc): Ditto. + 2001-07-07 Ben Elliston * m88k.h: Clean up and reformat. Remove unused code. diff --git a/include/opcode/cgen.h b/include/opcode/cgen.h index c13c4d9e8..c01b5c2a2 100644 --- a/include/opcode/cgen.h +++ b/include/opcode/cgen.h @@ -199,6 +199,8 @@ typedef struct { const char *bfd_name; /* one of enum mach_attr */ int num; + /* parameter from mach->cpu */ + unsigned int insn_chunk_bitsize; } CGEN_MACH; /* Parse result (also extraction result). @@ -1166,6 +1168,10 @@ typedef struct cgen_cpu_desc lazily fetch the data from there. */ unsigned int word_bitsize; + /* Instruction chunk size (in bits), for purposes of endianness + conversion. */ + unsigned int insn_chunk_bitsize; + /* Indicator if sizes are unknown. This is used by default_insn_bitsize,base_insn_bitsize if there is a difference between the selected isa's. */ -- cgit v1.2.3