diff options
| author | Alan Modra <amodra@gmail.com> | 2002-07-08 10:03:11 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2002-07-08 10:03:11 +0000 |
| commit | cd61ebfe13189cd946e02dd5b6a8a53ca2a6c018 (patch) | |
| tree | 6ff93da570047971b3c01cf14cca417623707982 /gas | |
| parent | aecc8f8acd0b3be16ffe73ddec39d5eb9816c7fa (diff) | |
| download | gdb-cd61ebfe13189cd946e02dd5b6a8a53ca2a6c018.zip gdb-cd61ebfe13189cd946e02dd5b6a8a53ca2a6c018.tar.gz gdb-cd61ebfe13189cd946e02dd5b6a8a53ca2a6c018.tar.bz2 | |
gas/ChangeLog
* config/tc-i386.c (process_suffix): Remove intel mode movsx and
movzx fudges.
(md_assemble): Instead, zap the suffix here.
include/opcode/ChangeLog
* i386.h: Remove IgnoreSize from movsx and movzx.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 6 | ||||
| -rw-r--r-- | gas/config/tc-i386.c | 30 |
2 files changed, 19 insertions, 17 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 5ae871c..5cbc523 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,9 @@ +2002-07-08 Alan Modra <amodra@bigpond.net.au> + + * config/tc-i386.c (process_suffix): Remove intel mode movsx and + movzx fudges. + (md_assemble): Instead, zap the suffix here. + 2002-07-03 Nick Clifton <nickc@cambridge.redhat.com> * NEWS: Remove next release number until the release is actually diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 653245f..5cf8251 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -1326,11 +1326,19 @@ md_assemble (line) if (!match_template ()) return; - /* Undo SYSV386_COMPAT brokenness when in Intel mode. See i386.h */ - if (SYSV386_COMPAT - && intel_syntax - && (i.tm.base_opcode & 0xfffffde0) == 0xdce0) - i.tm.base_opcode ^= FloatR; + if (intel_syntax) + { + /* Undo SYSV386_COMPAT brokenness when in Intel mode. See i386.h */ + if (SYSV386_COMPAT + && (i.tm.base_opcode & 0xfffffde0) == 0xdce0) + i.tm.base_opcode ^= FloatR; + + /* Zap movzx and movsx suffix. The suffix may have been set from + "word ptr" or "byte ptr" on the source operand, but we'll use + the suffix later to choose the destination register. */ + if ((i.tm.base_opcode & ~9) == 0x0fb6) + i.suffix = 0; + } if (i.tm.opcode_modifier & FWait) if (!add_prefix (FWAIT_OPCODE)) @@ -2218,18 +2226,6 @@ process_suffix () return 0; } - /* For movzx and movsx, need to check the register type. */ - if (intel_syntax - && (i.tm.base_opcode == 0xfb6 || i.tm.base_opcode == 0xfbe) - && i.suffix == BYTE_MNEM_SUFFIX) - { - unsigned int prefix = DATA_PREFIX_OPCODE; - - if ((i.op[1].regs->reg_type & Reg16) != 0) - if (!add_prefix (prefix)) - return 0; - } - if (i.suffix && i.suffix != BYTE_MNEM_SUFFIX) { /* It's not a byte, select word/dword operation. */ |