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| author | Nick Clifton <nickc@redhat.com> | 2004-07-21 18:18:04 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2004-07-21 18:18:04 +0000 |
| commit | 543613e9336603e177592f09ec42df2f99a2ed37 (patch) | |
| tree | 1365ecdef2e5794bde271c8524e3e45bd15d3039 /gas/config | |
| parent | a35b6b049e653973939a56ad0ba656dffad60a0e (diff) | |
| download | gdb-543613e9336603e177592f09ec42df2f99a2ed37.zip gdb-543613e9336603e177592f09ec42df2f99a2ed37.tar.gz gdb-543613e9336603e177592f09ec42df2f99a2ed37.tar.bz2 | |
For DefaultSize instructions, don't guess a 'q' suffix if the instruction
doesn't support it.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-i386.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index e73aa95..db2ec7e 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -2194,7 +2194,7 @@ check_string () } static int -process_suffix () +process_suffix (void) { /* If matched instruction specifies an explicit instruction mnemonic suffix, use it. */ @@ -2217,6 +2217,7 @@ process_suffix () Destination register type is more significant than source register type. */ int op; + for (op = i.operands; --op >= 0;) if ((i.types[op] & Reg) && !(i.tm.operand_types[op] & InOutPortReg)) @@ -2257,11 +2258,13 @@ process_suffix () else if ((i.tm.opcode_modifier & DefaultSize) && !i.suffix) { i.suffix = stackop_size; + if (i.suffix == QWORD_MNEM_SUFFIX + && (i.tm.opcode_modifier & No_qSuf)) + i.suffix = LONG_MNEM_SUFFIX; } /* Change the opcode based on the operand size given by i.suffix; We need not change things for byte insns. */ - if (!i.suffix && (i.tm.opcode_modifier & W)) { as_bad (_("no instruction mnemonic suffix given and no register operands; can't size instruction")); @@ -2289,6 +2292,7 @@ process_suffix () && (i.tm.opcode_modifier & JumpByte)))) { unsigned int prefix = DATA_PREFIX_OPCODE; + if (i.tm.opcode_modifier & JumpByte) /* jcxz, loop */ prefix = ADDR_PREFIX_OPCODE; @@ -2304,19 +2308,18 @@ process_suffix () /* Size floating point instruction. */ if (i.suffix == LONG_MNEM_SUFFIX) - { - if (i.tm.opcode_modifier & FloatMF) - i.tm.base_opcode ^= 4; - } + if (i.tm.opcode_modifier & FloatMF) + i.tm.base_opcode ^= 4; } return 1; } static int -check_byte_reg () +check_byte_reg (void) { int op; + for (op = i.operands; --op >= 0;) { /* If this is an eight bit register, it's OK. If it's the 16 or |