From 5babdd18bac17cf4bd76d8e12134abc7b03ebc5f Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Wed, 25 May 2005 06:47:58 +0000 Subject: [PATCH] opcodes/ 2005-05-25 Jan Beulich * i386-dis.c (prefix_name): Remove pointless mode_64bit check. (OP_E): Remove redundant REX_EXTZ handling. Remove pointless masking of 'rm' in 16-bit memory address handling. --- opcodes/ChangeLog | 6 ++++++ opcodes/i386-dis.c | 15 +++++---------- 2 files changed, 11 insertions(+), 10 deletions(-) diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index a34ca0a2a..7b57e5b73 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,9 @@ +2005-05-25 Jan Beulich + + * i386-dis.c (prefix_name): Remove pointless mode_64bit check. + (OP_E): Remove redundant REX_EXTZ handling. Remove pointless + masking of 'rm' in 16-bit memory address handling. + 2005-05-19 Anton Blanchard * ppc-dis.c (powerpc_dialect): Handle "-Mpower5". diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index 15f43c30b..9a8b73f48 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -1895,7 +1895,7 @@ prefix_name (int pref, int sizeflag) if (mode_64bit) return (sizeflag & AFLAG) ? "addr32" : "addr64"; else - return ((sizeflag & AFLAG) && !mode_64bit) ? "addr16" : "addr32"; + return (sizeflag & AFLAG) ? "addr16" : "addr32"; case FWAIT_OPCODE: return "fwait"; default: @@ -3214,13 +3214,11 @@ OP_E (int bytemode, int sizeflag) scale = (*codep >> 6) & 3; base = *codep & 7; USED_REX (REX_EXTY); - USED_REX (REX_EXTZ); if (rex & REX_EXTY) index += 8; - if (rex & REX_EXTZ) - base += 8; codep++; } + base += add; switch (mod) { @@ -3316,9 +3314,6 @@ OP_E (int bytemode, int sizeflag) if (intel_syntax && riprel) oappend ("rip + "); *obufp = '\0'; - USED_REX (REX_EXTZ); - if (!havesib && (rex & REX_EXTZ)) - base += 8; if (havebase) oappend (mode_64bit && (sizeflag & AFLAG) ? names64[base] : names32[base]); @@ -3384,7 +3379,7 @@ OP_E (int bytemode, int sizeflag) switch (mod) { case 0: - if ((rm & 7) == 6) + if (rm == 6) { disp = get16 (); if ((disp & 0x8000) != 0) @@ -3405,13 +3400,13 @@ OP_E (int bytemode, int sizeflag) } if (!intel_syntax) - if (mod != 0 || (rm & 7) == 6) + if (mod != 0 || rm == 6) { print_operand_value (scratchbuf, 0, disp); oappend (scratchbuf); } - if (mod != 0 || (rm & 7) != 6) + if (mod != 0 || rm != 6) { *obufp++ = open_char; *obufp = '\0'; -- 2.11.4.GIT