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| author | H.J. Lu <hjl.tools@gmail.com> | 2008-12-20 17:40:51 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2008-12-20 17:40:51 +0000 |
| commit | b6169b206a513cc5be8027dd7eb4b26039d76a4f (patch) | |
| tree | 522b7197c9f8eb452599f481dca2140384b01360 /gas/config | |
| parent | 257385246e4e7790890d2d2927f1ca2efb780a37 (diff) | |
| download | gdb-b6169b206a513cc5be8027dd7eb4b26039d76a4f.zip gdb-b6169b206a513cc5be8027dd7eb4b26039d76a4f.tar.gz gdb-b6169b206a513cc5be8027dd7eb4b26039d76a4f.tar.bz2 | |
gas/
2008-12-20 H.J. Lu <hongjiu.lu@intel.com>
* config/tc-i386.c (_i386_insn): Add swap_operand.
(parse_insn): Handle ".s".
(match_template): Handle swap_operand.
* doc/c-i386.texi: Document .s suffix.
gas/testsuite/
2008-12-20 H.J. Lu <hongjiu.lu@intel.com>
* gas/i386/i386.exp: Run opts, opts-intel, sse2avx-opts,
sse2avx-opts-intel, x86-64-opts, x86-64-opts-intel,
x86-64-sse2avx-opts and x86-64-sse2avx-opts-intel.
* gas/i386/opts.d: New.
* gas/i386/opts-intel.d: Likewise.
* gas/i386/opts.s: Likewise.
* gas/i386/sse2avx-opts.d: Likewise.
* gas/i386/sse2avx-opts-intel.d: Likewise.
* gas/i386/x86-64-opts.d: Likewise.
* gas/i386/x86-64-opts-intel.d: Likewise.
* gas/i386/x86-64-opts.s: Likewise.
* gas/i386/x86-64-sse2avx-opts.d: Likewise.
* gas/i386/x86-64-sse2avx-opts-intel.d: Likewise.
opcodes/
2008-12-20 H.J. Lu <hongjiu.lu@intel.com>
* i386-dis.c (EbS): New.
(EvS): Likewise.
(EMS): Likewise.
(EXqS): Likewise.
(EXxS): Likewise.
(b_swap_mode): Likewise.
(v_swap_mode): Likewise.
(q_swap_mode): Likewise.
(x_swap_mode): Likewise.
(v_mode): Updated.
(w_mode): Likewise.
(t_mode): Likewise.
(xmm_mode): Likewise.
(swap_operand): Likewise.
(dis386): Use EbS on movB. Use EvS on moveS.
(dis386_twobyte): Use EXxS on movapX.
(prefix_table): Use EXxS on movups, movupd, movdqu, movdqa,
vmovups, vmovdqu, vmovdqa. Use EMS and EXqS on movq.
(vex_table): Use EXxS on vmovapX.
(vex_len_table): Use EXqS on vmovq.
(intel_operand_size): Handle b_swap_mode, v_swap_mode,
q_swap_mode and x_swap_mode.
(OP_E_register): Handle b_swap_mode and v_swap_mode.
(OP_EM): Handle v_swap_mode.
(OP_EX): x_swap_mode and q_swap_mode.
* i386-gen.c (opcode_modifiers): Add S.
* i386-opc.h (S): New.
(Modrm): Updated.
(i386_opcode_modifier): Add s.
* i386-opc.tbl: Add S to movapd, movaps, movdqa, movdqu, movq,
movupd, movups, vmovapd, vmovaps, vmovdqa, vmovdqu and vmovq.
* i386-tbl.h: Regenerated.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-i386.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index f0b374d..d74c1c6 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -279,6 +279,9 @@ struct _i386_insn sib_byte sib; drex_byte drex; vex_prefix vex; + + /* Swap operand in encoding. */ + unsigned int swap_operand : 1; }; typedef struct _i386_insn i386_insn; @@ -2908,6 +2911,7 @@ parse_insn (char *line, char *mnemonic) char *mnem_p; int supported; const template *t; + char *dot_p = NULL; /* Non-zero if we found a prefix only acceptable with string insns. */ const char *expecting_string_instruction = NULL; @@ -2917,6 +2921,8 @@ parse_insn (char *line, char *mnemonic) mnem_p = mnemonic; while ((*mnem_p = mnemonic_chars[(unsigned char) *l]) != 0) { + if (*mnem_p == '.') + dot_p = mnem_p; mnem_p++; if (mnem_p >= mnemonic + MAX_MNEM_SIZE) { @@ -2988,8 +2994,24 @@ parse_insn (char *line, char *mnemonic) break; } + if (!current_templates && dot_p) + { + if (mnem_p - 2 == dot_p) + { + /* Check if we should swap operand in encoding. */ + if (dot_p[1] == 's') + i.swap_operand = 1; + else + goto check_suffix; + mnem_p = dot_p; + *dot_p = '\0'; + current_templates = hash_find (op_hash, mnemonic); + } + } + if (!current_templates) { +check_suffix: /* See if we can get a match by trimming off a suffix. */ switch (mnem_p[-1]) { @@ -3712,6 +3734,16 @@ match_template (void) && operand_type_equal (&i.types [0], &acc32) && operand_type_equal (&i.types [1], &acc32)) continue; + if (i.swap_operand) + { + /* If we swap operand in encoding, we either match + the next one or reverse direction of operands. */ + if (t->opcode_modifier.s) + continue; + else if (t->opcode_modifier.d) + goto check_reverse; + } + case 3: case 4: case 5: @@ -3728,6 +3760,7 @@ match_template (void) if (!t->opcode_modifier.d && !t->opcode_modifier.floatd) continue; +check_reverse: /* Try reversing direction of operands. */ overlap0 = operand_type_and (i.types[0], operand_types[1]); overlap1 = operand_type_and (i.types[1], operand_types[0]); |