From 91b1cc5d0b006d4036fa32b68688e55f4ac860e5 Mon Sep 17 00:00:00 2001 From: Jeff Law Date: Fri, 21 Apr 2000 22:04:29 +0000 Subject: [PATCH] * hppa-dis.c (extract_16): New function. (print_insn_hppa): Fix incorrect handling of 'fe'. Added handling of new operand types l,y,&,fe,fE,fx. --- opcodes/ChangeLog | 6 ++++ opcodes/hppa-dis.c | 90 ++++++++++++++++++++++++++++++++++++---------- 2 files changed, 77 insertions(+), 19 deletions(-) diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index bb18a8ae781..1c8e71c209a 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,9 @@ +Fri Apr 21 16:03:39 2000 Jason Eckhardt + + * hppa-dis.c (extract_16): New function. + (print_insn_hppa): Fix incorrect handling of 'fe'. Added handling of + new operand types l,y,&,fe,fE,fx. + Fri Apr 21 13:20:53 2000 Richard Henderson David Mosberger Timothy Wall diff --git a/opcodes/hppa-dis.c b/opcodes/hppa-dis.c index 94d05561a79..23c926ae771 100644 --- a/opcodes/hppa-dis.c +++ b/opcodes/hppa-dis.c @@ -42,12 +42,13 @@ static const char *const fp_reg_names[] = typedef unsigned int CORE_ADDR; -/* Get at various relevent fields of an instruction word. */ +/* Get at various relevent fields of an instruction word. */ #define MASK_5 0x1f #define MASK_10 0x3ff #define MASK_11 0x7ff #define MASK_14 0x3fff +#define MASK_16 0xffff #define MASK_21 0x1fffff /* This macro gets bit fields using HP's numbering (MSB = 0) */ @@ -132,7 +133,7 @@ static const char *const read_write_names[] = {",r", ",w"}; static const char *const add_compl_names[] = { 0, "", ",l", ",tsv" }; /* For a bunch of different instructions form an index into a - completer name table. */ + completer name table. */ #define GET_COMPL(insn) (GET_FIELD (insn, 26, 26) | \ GET_FIELD (insn, 18, 18) << 1) @@ -181,7 +182,7 @@ fput_creg (reg, info) (*info->fprintf_func) (info->stream, control_reg[reg]); } -/* print constants with sign */ +/* Print constants with sign. */ static void fput_const (num, info) @@ -195,9 +196,9 @@ fput_const (num, info) } /* Routines to extract various sized constants out of hppa - instructions. */ + instructions. */ -/* extract a 3-bit space register number from a be, ble, mtsp or mfsp */ +/* Extract a 3-bit space register number from a be, ble, mtsp or mfsp. */ static int extract_3 (word) unsigned word; @@ -212,7 +213,7 @@ extract_5_load (word) return low_sign_extend (word >> 16 & MASK_5, 5); } -/* extract the immediate field from a st{bhw}s instruction */ +/* Extract the immediate field from a st{bhw}s instruction. */ static int extract_5_store (word) unsigned word; @@ -220,7 +221,7 @@ extract_5_store (word) return low_sign_extend (word & MASK_5, 5); } -/* extract the immediate field from a break instruction */ +/* Extract the immediate field from a break instruction. */ static unsigned extract_5r_store (word) unsigned word; @@ -228,7 +229,7 @@ extract_5r_store (word) return (word & MASK_5); } -/* extract the immediate field from a {sr}sm instruction */ +/* Extract the immediate field from a {sr}sm instruction. */ static unsigned extract_5R_store (word) unsigned word; @@ -236,7 +237,7 @@ extract_5R_store (word) return (word >> 16 & MASK_5); } -/* extract the 10 bit immediate field from a {sr}sm instruction */ +/* Extract the 10 bit immediate field from a {sr}sm instruction. */ static unsigned extract_10U_store (word) unsigned word; @@ -244,7 +245,7 @@ extract_10U_store (word) return (word >> 16 & MASK_10); } -/* extract the immediate field from a bb instruction */ +/* Extract the immediate field from a bb instruction. */ static unsigned extract_5Q_store (word) unsigned word; @@ -252,7 +253,7 @@ extract_5Q_store (word) return (word >> 21 & MASK_5); } -/* extract an 11 bit immediate field */ +/* Extract an 11 bit immediate field. */ static int extract_11 (word) unsigned word; @@ -260,7 +261,7 @@ extract_11 (word) return low_sign_extend (word & MASK_11, 11); } -/* extract a 14 bit immediate field */ +/* Extract a 14 bit immediate field. */ static int extract_14 (word) unsigned word; @@ -268,7 +269,21 @@ extract_14 (word) return low_sign_extend (word & MASK_14, 14); } -/* extract a 21 bit constant */ +/* Extract a 16 bit immediate field (PA2.0 wide only). */ +static int +extract_16 (word) + unsigned word; +{ + int m15, m0, m1; + m0 = GET_BIT (word, 16); + m1 = GET_BIT (word, 17); + m15 = GET_BIT (word, 31); + word = (word >> 1) & 0x1fff; + word = word | (m15 << 15) | ((m15 ^ m0) << 14) | ((m15 ^ m1) << 13); + return sign_extend (word, 16); +} + +/* Extract a 21 bit constant. */ static int extract_21 (word) @@ -290,7 +305,7 @@ extract_21 (word) return sign_extend (val, 21) << 11; } -/* extract a 12 bit constant from branch instructions */ +/* Extract a 12 bit constant from branch instructions. */ static int extract_12 (word) @@ -301,8 +316,8 @@ extract_12 (word) (word & 0x1) << 11, 12) << 2; } -/* extract a 17 bit constant from branch instructions, returning the - 19 bit signed value. */ +/* Extract a 17 bit constant from branch instructions, returning the + 19 bit signed value. */ static int extract_17 (word) @@ -352,7 +367,10 @@ print_insn_hppa (memaddr, info) if ((insn & opcode->mask) == opcode->match) { register const char *s; - +#ifndef BFD64 + if (opcode->arch == pa20w) + continue; +#endif (*info->fprintf_func) (info->stream, "%s", opcode->name); if (!strchr ("cfCY?-+nHNZFIuv", opcode->args[0])) @@ -473,13 +491,25 @@ print_insn_hppa (memaddr, info) fput_fp_reg (reg, info); break; } + + /* 'fe' will not generate a space before the register + name. Normally that is fine. Except that it + causes problems with fstw fe,y(b) which has no FP + format completer. */ + case 'E': + fputs_filtered (" ", info); + + /* FALLTHRU */ + case 'e': - if (GET_FIELD (insn, 25, 25)) + if (GET_FIELD (insn, 30, 30)) fput_fp_reg_r (GET_FIELD (insn, 11, 15), info); else fput_fp_reg (GET_FIELD (insn, 11, 15), info); break; - + case 'x': + fput_fp_reg (GET_FIELD (insn, 11, 15), info); + break; } break; @@ -835,6 +865,10 @@ print_insn_hppa (memaddr, info) case 'k': fput_const (extract_21 (insn), info); break; + case 'l': + /* 16-bit long disp., PA2.0 wide only. */ + fput_const (extract_16 (insn), info); + break; case 'n': if (insn & 0x2) (*info->fprintf_func) (info->stream, ",n "); @@ -1041,6 +1075,24 @@ print_insn_hppa (memaddr, info) break; } + case 'y': + { + /* 16-bit long disp., PA2.0 wide only. */ + int disp = extract_16 (insn); + disp &= ~3; + fput_const (disp, info); + break; + } + + case '&': + { + /* 16-bit long disp., PA2.0 wide only. */ + int disp = extract_16 (insn); + disp &= ~7; + fput_const (disp, info); + break; + } + /* ?!? FIXME */ case '_': case '{': -- 2.30.2