+ PR target/49920
+ * config/i386/i386.md (strset): Do not expand strset_singleop
+ when %eax or $edi are fixed.
+ (*strsetdi_rex_1): Disable when %eax or %edi are fixed.
+ (*strsetsi_1): Ditto.
+ (*strsetsi_rex_1): Ditto.
+ (*strsethi_1): Ditto.
+ (*strsethi_rex_1): Ditto.
+ (*strsetqi_1): Ditto.
+ (*strsetqi_rex_1): Ditto.
+ (*rep_stosdi_rex64): Disable when %eax, %ecx or %edi are fixed.
+ (*rep_stossi): Ditto.
+ (*rep_stossi_rex64): Ditto.
+ (*rep_stosqi): Ditto.
+ (*rep_stosqi_rex64): Ditto.
+ (*strlenqi_1): Ditto.
+ (*strlenqi_rex_1): Ditto.
+ (cmpstrnsi): Also fail when %ecx is fixed.
+ (*cmpstrnqi_nz_1): Disable when %ecx, %esi or %edi are fixed.
+ (*cmpstrnqi_nz_rex_1): Ditto.
+ (*cmpstrnqi_1): Ditto.
+ (*cmpstrnqi_rex_1): Ditto.
+ (*strmovdi_rex_1): Disable when %esi or %edi are fixed.
+ (*strmovsi_1): Ditto.
+ (*strmovsi_rex_1): Ditto.
+ (*strmovhi_1): Ditto.
+ (*strmovhi_rex_1): Ditto.
+ (*strmovqi_1): Ditto.
+ (*strmovqi_rex_1): Ditto.
+ (*rep_movdi_rex64): Disable when %ecx, %esi or %edi are fixed.
+ (*rep_movsi): Ditto.
+ (*rep_movsi_rex64): Ditto.
+ (*rep_movqi): Ditto.
+ (*rep_movqi_rex64): Ditto.
+
2011-07-28 Uros Bizjak <ubizjak@gmail.com>
PR target/47364
(set (match_operand:DI 1 "register_operand" "=S")
(plus:DI (match_dup 3)
(const_int 8)))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"movsq"
[(set_attr "type" "str")
(set_attr "mode" "DI")
(set (match_operand:SI 1 "register_operand" "=S")
(plus:SI (match_dup 3)
(const_int 4)))]
- "!TARGET_64BIT"
+ "!TARGET_64BIT
+ && !(fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"movs{l|d}"
[(set_attr "type" "str")
(set_attr "mode" "SI")
(set (match_operand:DI 1 "register_operand" "=S")
(plus:DI (match_dup 3)
(const_int 4)))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"movs{l|d}"
[(set_attr "type" "str")
(set_attr "mode" "SI")
(set (match_operand:SI 1 "register_operand" "=S")
(plus:SI (match_dup 3)
(const_int 2)))]
- "!TARGET_64BIT"
+ "!TARGET_64BIT
+ && !(fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"movsw"
[(set_attr "type" "str")
(set_attr "memory" "both")
(set (match_operand:DI 1 "register_operand" "=S")
(plus:DI (match_dup 3)
(const_int 2)))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"movsw"
[(set_attr "type" "str")
(set_attr "memory" "both")
(set (match_operand:SI 1 "register_operand" "=S")
(plus:SI (match_dup 3)
(const_int 1)))]
- "!TARGET_64BIT"
+ "!TARGET_64BIT
+ && !(fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"movsb"
[(set_attr "type" "str")
(set_attr "memory" "both")
(set (match_operand:DI 1 "register_operand" "=S")
(plus:DI (match_dup 3)
(const_int 1)))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"movsb"
[(set_attr "type" "str")
(set_attr "memory" "both")
(set (mem:BLK (match_dup 3))
(mem:BLK (match_dup 4)))
(use (match_dup 5))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[CX_REG] || fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"rep{%;} movsq"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(set (mem:BLK (match_dup 3))
(mem:BLK (match_dup 4)))
(use (match_dup 5))]
- "!TARGET_64BIT"
+ "!TARGET_64BIT
+ && !(fixed_regs[CX_REG] || fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"rep{%;} movs{l|d}"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(set (mem:BLK (match_dup 3))
(mem:BLK (match_dup 4)))
(use (match_dup 5))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[CX_REG] || fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"rep{%;} movs{l|d}"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(set (mem:BLK (match_dup 3))
(mem:BLK (match_dup 4)))
(use (match_dup 5))]
- "!TARGET_64BIT"
+ "!TARGET_64BIT
+ && !(fixed_regs[CX_REG] || fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"rep{%;} movsb"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(set (mem:BLK (match_dup 3))
(mem:BLK (match_dup 4)))
(use (match_dup 5))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[CX_REG] || fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"rep{%;} movsb"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
operands[3] = gen_rtx_PLUS (Pmode, operands[0],
GEN_INT (GET_MODE_SIZE (GET_MODE
(operands[2]))));
- if (TARGET_SINGLE_STRINGOP || optimize_insn_for_size_p ())
+ /* Can't use this if the user has appropriated eax or edi. */
+ if ((TARGET_SINGLE_STRINGOP || optimize_insn_for_size_p ())
+ && !(fixed_regs[AX_REG] || fixed_regs[DI_REG]))
{
emit_insn (gen_strset_singleop (operands[0], operands[1], operands[2],
operands[3]));
(set (match_operand:DI 0 "register_operand" "=D")
(plus:DI (match_dup 1)
(const_int 8)))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[AX_REG] || fixed_regs[DI_REG])"
"stosq"
[(set_attr "type" "str")
(set_attr "memory" "store")
(set (match_operand:SI 0 "register_operand" "=D")
(plus:SI (match_dup 1)
(const_int 4)))]
- "!TARGET_64BIT"
+ "!TARGET_64BIT
+ && !(fixed_regs[AX_REG] || fixed_regs[DI_REG])"
"stos{l|d}"
[(set_attr "type" "str")
(set_attr "memory" "store")
(set (match_operand:DI 0 "register_operand" "=D")
(plus:DI (match_dup 1)
(const_int 4)))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[AX_REG] || fixed_regs[DI_REG])"
"stos{l|d}"
[(set_attr "type" "str")
(set_attr "memory" "store")
(set (match_operand:SI 0 "register_operand" "=D")
(plus:SI (match_dup 1)
(const_int 2)))]
- "!TARGET_64BIT"
+ "!TARGET_64BIT
+ && !(fixed_regs[AX_REG] || fixed_regs[DI_REG])"
"stosw"
[(set_attr "type" "str")
(set_attr "memory" "store")
(set (match_operand:DI 0 "register_operand" "=D")
(plus:DI (match_dup 1)
(const_int 2)))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[AX_REG] || fixed_regs[DI_REG])"
"stosw"
[(set_attr "type" "str")
(set_attr "memory" "store")
(set (match_operand:SI 0 "register_operand" "=D")
(plus:SI (match_dup 1)
(const_int 1)))]
- "!TARGET_64BIT"
+ "!TARGET_64BIT
+ && !(fixed_regs[AX_REG] || fixed_regs[DI_REG])"
"stosb"
[(set_attr "type" "str")
(set_attr "memory" "store")
(set (match_operand:DI 0 "register_operand" "=D")
(plus:DI (match_dup 1)
(const_int 1)))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[AX_REG] || fixed_regs[DI_REG])"
"stosb"
[(set_attr "type" "str")
(set_attr "memory" "store")
(const_int 0))
(use (match_operand:DI 2 "register_operand" "a"))
(use (match_dup 4))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[AX_REG] || fixed_regs[CX_REG] || fixed_regs[DI_REG])"
"rep{%;} stosq"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(const_int 0))
(use (match_operand:SI 2 "register_operand" "a"))
(use (match_dup 4))]
- "!TARGET_64BIT"
+ "!TARGET_64BIT
+ && !(fixed_regs[AX_REG] || fixed_regs[CX_REG] || fixed_regs[DI_REG])"
"rep{%;} stos{l|d}"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(const_int 0))
(use (match_operand:SI 2 "register_operand" "a"))
(use (match_dup 4))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[AX_REG] || fixed_regs[CX_REG] || fixed_regs[DI_REG])"
"rep{%;} stos{l|d}"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(const_int 0))
(use (match_operand:QI 2 "register_operand" "a"))
(use (match_dup 4))]
- "!TARGET_64BIT"
+ "!TARGET_64BIT
+ && !(fixed_regs[AX_REG] || fixed_regs[CX_REG] || fixed_regs[DI_REG])"
"rep{%;} stosb"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(const_int 0))
(use (match_operand:QI 2 "register_operand" "a"))
(use (match_dup 4))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[AX_REG] || fixed_regs[CX_REG] || fixed_regs[DI_REG])"
"rep{%;} stosb"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
if (optimize_insn_for_size_p () && !TARGET_INLINE_ALL_STRINGOPS)
FAIL;
- /* Can't use this if the user has appropriated esi or edi. */
- if (fixed_regs[SI_REG] || fixed_regs[DI_REG])
+ /* Can't use this if the user has appropriated ecx, esi or edi. */
+ if (fixed_regs[CX_REG] || fixed_regs[SI_REG] || fixed_regs[DI_REG])
FAIL;
out = operands[0];
(clobber (match_operand:SI 0 "register_operand" "=S"))
(clobber (match_operand:SI 1 "register_operand" "=D"))
(clobber (match_operand:SI 2 "register_operand" "=c"))]
- "!TARGET_64BIT"
+ "!TARGET_64BIT
+ && !(fixed_regs[CX_REG] || fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"repz{%;} cmpsb"
[(set_attr "type" "str")
(set_attr "mode" "QI")
(clobber (match_operand:DI 0 "register_operand" "=S"))
(clobber (match_operand:DI 1 "register_operand" "=D"))
(clobber (match_operand:DI 2 "register_operand" "=c"))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[CX_REG] || fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"repz{%;} cmpsb"
[(set_attr "type" "str")
(set_attr "mode" "QI")
(clobber (match_operand:SI 0 "register_operand" "=S"))
(clobber (match_operand:SI 1 "register_operand" "=D"))
(clobber (match_operand:SI 2 "register_operand" "=c"))]
- "!TARGET_64BIT"
+ "!TARGET_64BIT
+ && !(fixed_regs[CX_REG] || fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"repz{%;} cmpsb"
[(set_attr "type" "str")
(set_attr "mode" "QI")
(clobber (match_operand:DI 0 "register_operand" "=S"))
(clobber (match_operand:DI 1 "register_operand" "=D"))
(clobber (match_operand:DI 2 "register_operand" "=c"))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[CX_REG] || fixed_regs[SI_REG] || fixed_regs[DI_REG])"
"repz{%;} cmpsb"
[(set_attr "type" "str")
(set_attr "mode" "QI")
(match_operand:SI 4 "register_operand" "0")] UNSPEC_SCAS))
(clobber (match_operand:SI 1 "register_operand" "=D"))
(clobber (reg:CC FLAGS_REG))]
- "!TARGET_64BIT"
+ "!TARGET_64BIT
+ && !(fixed_regs[AX_REG] || fixed_regs[CX_REG] || fixed_regs[DI_REG])"
"repnz{%;} scasb"
[(set_attr "type" "str")
(set_attr "mode" "QI")
(match_operand:DI 4 "register_operand" "0")] UNSPEC_SCAS))
(clobber (match_operand:DI 1 "register_operand" "=D"))
(clobber (reg:CC FLAGS_REG))]
- "TARGET_64BIT"
+ "TARGET_64BIT
+ && !(fixed_regs[AX_REG] || fixed_regs[CX_REG] || fixed_regs[DI_REG])"
"repnz{%;} scasb"
[(set_attr "type" "str")
(set_attr "mode" "QI")