Skip to content

R
riscv-gcc-1
Commit 57c2d13f by Uros Bizjak Committed by Uros Bizjak
Options

i386.md (*rep_movdi_rex64): Emit "rep" prefix on the same line as the… 

i386.md (*rep_movdi_rex64): Emit "rep" prefix on the same line as the instruction for all asm dialects.

	* config/i386/i386.md (*rep_movdi_rex64): Emit "rep" prefix on
	the same line as the instruction for all asm dialects.
	(*rep_movsi): Ditto.
	(*rep_movsi_rex64): Ditto.
	(*rep_movqi): Ditto.
	(*rep_movqi_rex64): Ditto.
	(*rep_stosdi_rex64): Ditto.
	(*rep_stossi): Ditto.
	(*rep_stossi_rex64): Ditto.
	(*rep_stosqi): Ditto.
	(*rep_stosqi_rex64): Ditto.
	(*cmpstrnqi_nz_1): Ditto.
	(*cmpstrnqi_nz_rex_1): Ditto.
	(*cmpstrnqi_1): Ditto.
	(*cmpstrnqi_rex_1): Ditto.
	(*strlenqi_1): Ditto.
	(*strlenqi_rex_1): Ditto.
	* config/i386/sync.md (*sync_compare_and_swap<mode>): Emit "lock"
	prefix on the same line as the instruction for all asm dialects.
	(sync_double_compare_and_swap<mode>): Ditto.
	(*sync_double_compare_and_swapdi_pic): Ditto.
	(*sync_compare_and_swap_cc<mode>): Ditto.
	(sync_double_compare_and_swap_cc<mode>): Ditto.
	(*sync_double_compare_and_swap_ccdi_pic): Ditto.
	(sync_old_add<mode>): Ditto.
	(sync_add<mode>): Ditto.
	(sync_sub<mode>): Ditto.
	(sync_ior<mode>): Ditto.
	(sync_and<mode>): Ditto.
	(sync_xor<mode>): Ditto.

From-SVN: r127558
parent 49e308f8
Showing with 66 additions and 33 deletions
gcc/ChangeLog
2007-08-16 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (*rep_movdi_rex64): Emit "rep" prefix on
the same line as the instruction for all asm dialects.
(*rep_movsi): Ditto.
(*rep_movsi_rex64): Ditto.
(*rep_movqi): Ditto.
(*rep_movqi_rex64): Ditto.
(*rep_stosdi_rex64): Ditto.
(*rep_stossi): Ditto.
(*rep_stossi_rex64): Ditto.
(*rep_stosqi): Ditto.
(*rep_stosqi_rex64): Ditto.
(*cmpstrnqi_nz_1): Ditto.
(*cmpstrnqi_nz_rex_1): Ditto.
(*cmpstrnqi_1): Ditto.
(*cmpstrnqi_rex_1): Ditto.
(*strlenqi_1): Ditto.
(*strlenqi_rex_1): Ditto.
* config/i386/sync.md (*sync_compare_and_swap<mode>): Emit "lock"
prefix on the same line as the instruction for all asm dialects.
(sync_double_compare_and_swap<mode>): Ditto.
(*sync_double_compare_and_swapdi_pic): Ditto.
(*sync_compare_and_swap_cc<mode>): Ditto.
(sync_double_compare_and_swap_cc<mode>): Ditto.
(*sync_double_compare_and_swap_ccdi_pic): Ditto.
(sync_old_add<mode>): Ditto.
(sync_add<mode>): Ditto.
(sync_sub<mode>): Ditto.
(sync_ior<mode>): Ditto.
(sync_and<mode>): Ditto.
(sync_xor<mode>): Ditto.
2007-08-16 Richard Sandiford <richard@codesourcery.com>
PR middle-end/32897
......
gcc/config/i386/i386.md
......@@ -14493,7 +14493,7 @@
[(return)
(unspec [(const_int 0)] UNSPEC_REP)]
"reload_completed"
"rep {;} ret"
"rep{\;| }ret"
[(set_attr "length" "1")
(set_attr "length_immediate" "0")
(set_attr "prefix_rep" "1")
......@@ -18311,7 +18311,7 @@
(mem:BLK (match_dup 4)))
(use (match_dup 5))]
"TARGET_64BIT"
"{rep\;movsq|rep movsq}"
"rep movsq"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(set_attr "memory" "both")
......@@ -18330,7 +18330,7 @@
(mem:BLK (match_dup 4)))
(use (match_dup 5))]
"!TARGET_64BIT"
"{rep\;movsl|rep movsd}"
"rep movs{l|d}"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(set_attr "memory" "both")
......@@ -18349,7 +18349,7 @@
(mem:BLK (match_dup 4)))
(use (match_dup 5))]
"TARGET_64BIT"
"{rep\;movsl|rep movsd}"
"rep movs{l|d}"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(set_attr "memory" "both")
......@@ -18366,7 +18366,7 @@
(mem:BLK (match_dup 4)))
(use (match_dup 5))]
"!TARGET_64BIT"
"{rep\;movsb|rep movsb}"
"rep movsb"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(set_attr "memory" "both")
......@@ -18383,7 +18383,7 @@
(mem:BLK (match_dup 4)))
(use (match_dup 5))]
"TARGET_64BIT"
"{rep\;movsb|rep movsb}"
"rep movsb"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(set_attr "memory" "both")
......@@ -18563,7 +18563,7 @@
(use (match_operand:DI 2 "register_operand" "a"))
(use (match_dup 4))]
"TARGET_64BIT"
"{rep\;stosq|rep stosq}"
"rep stosq"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(set_attr "memory" "store")
......@@ -18580,7 +18580,7 @@
(use (match_operand:SI 2 "register_operand" "a"))
(use (match_dup 4))]
"!TARGET_64BIT"
"{rep\;stosl|rep stosd}"
"rep stos{l|d}"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(set_attr "memory" "store")
......@@ -18597,7 +18597,7 @@
(use (match_operand:SI 2 "register_operand" "a"))
(use (match_dup 4))]
"TARGET_64BIT"
"{rep\;stosl|rep stosd}"
"rep stos{l|d}"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(set_attr "memory" "store")
......@@ -18613,7 +18613,7 @@
(use (match_operand:QI 2 "register_operand" "a"))
(use (match_dup 4))]
"!TARGET_64BIT"
"{rep\;stosb|rep stosb}"
"rep stosb"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(set_attr "memory" "store")
......@@ -18629,7 +18629,7 @@
(use (match_operand:QI 2 "register_operand" "a"))
(use (match_dup 4))]
"TARGET_64BIT"
"{rep\;stosb|rep stosb}"
"rep stosb"
[(set_attr "type" "str")
(set_attr "prefix_rep" "1")
(set_attr "memory" "store")
......@@ -18738,7 +18738,7 @@
(clobber (match_operand:SI 1 "register_operand" "=D"))
(clobber (match_operand:SI 2 "register_operand" "=c"))]
"!TARGET_64BIT"
"repz{\;| }cmpsb"
"repz cmpsb"
[(set_attr "type" "str")
(set_attr "mode" "QI")
(set_attr "prefix_rep" "1")])
......@@ -18753,7 +18753,7 @@
(clobber (match_operand:DI 1 "register_operand" "=D"))
(clobber (match_operand:DI 2 "register_operand" "=c"))]
"TARGET_64BIT"
"repz{\;| }cmpsb"
"repz cmpsb"
[(set_attr "type" "str")
(set_attr "mode" "QI")
(set_attr "prefix_rep" "1")])
......@@ -18788,7 +18788,7 @@
(clobber (match_operand:SI 1 "register_operand" "=D"))
(clobber (match_operand:SI 2 "register_operand" "=c"))]
"!TARGET_64BIT"
"repz{\;| }cmpsb"
"repz cmpsb"
[(set_attr "type" "str")
(set_attr "mode" "QI")
(set_attr "prefix_rep" "1")])
......@@ -18806,7 +18806,7 @@
(clobber (match_operand:DI 1 "register_operand" "=D"))
(clobber (match_operand:DI 2 "register_operand" "=c"))]
"TARGET_64BIT"
"repz{\;| }cmpsb"
"repz cmpsb"
[(set_attr "type" "str")
(set_attr "mode" "QI")
(set_attr "prefix_rep" "1")])
......@@ -18853,7 +18853,7 @@
(clobber (match_operand:SI 1 "register_operand" "=D"))
(clobber (reg:CC FLAGS_REG))]
"!TARGET_64BIT"
"repnz{\;| }scasb"
"repnz scasb"
[(set_attr "type" "str")
(set_attr "mode" "QI")
(set_attr "prefix_rep" "1")])
......@@ -18867,7 +18867,7 @@
(clobber (match_operand:DI 1 "register_operand" "=D"))
(clobber (reg:CC FLAGS_REG))]
"TARGET_64BIT"
"repnz{\;| }scasb"
"repnz scasb"
[(set_attr "type" "str")
(set_attr "mode" "QI")
(set_attr "prefix_rep" "1")])
......
gcc/config/i386/sync.md
......@@ -81,7 +81,7 @@
UNSPECV_CMPXCHG_1))
(clobber (reg:CC FLAGS_REG))]
"TARGET_CMPXCHG"
"lock{\;| }cmpxchg{<modesuffix>\t%3, %1| %1, %3}")
"lock cmpxchg{<modesuffix>}\t{%3, %1|%1, %3}")
(define_insn "sync_double_compare_and_swap<mode>"
[(set (match_operand:DCASMODE 0 "register_operand" "=A")
......@@ -95,7 +95,7 @@
UNSPECV_CMPXCHG_1))
(clobber (reg:CC FLAGS_REG))]
""
"lock{\;| }cmpxchg<doublemodesuffix>b{\t| }%1")
"lock cmpxchg<doublemodesuffix>b\t%1")
;; Theoretically we'd like to use constraint "r" (any reg) for operand
;; 3, but that includes ecx. If operand 3 and 4 are the same (like when
......@@ -118,7 +118,7 @@
UNSPECV_CMPXCHG_1))
(clobber (reg:CC FLAGS_REG))]
"!TARGET_64BIT && TARGET_CMPXCHG8B && flag_pic"
"xchg{l}\t%%ebx, %3\;lock{\;| }cmpxchg8b{\t| }%1\;xchg{l}\t%%ebx, %3")
"xchg{l}\t%%ebx, %3\;lock cmpxchg8b\t%1\;xchg{l}\t%%ebx, %3")
(define_expand "sync_compare_and_swap_cc<mode>"
[(parallel
......@@ -176,7 +176,7 @@
[(match_dup 1) (match_dup 2) (match_dup 3)] UNSPECV_CMPXCHG_2)
(match_dup 2)))]
"TARGET_CMPXCHG"
"lock{\;| }cmpxchg{<modesuffix>\t%3, %1| %1, %3}")
"lock cmpxchg{<modesuffix>}\t{%3, %1|%1, %3}")
(define_insn "sync_double_compare_and_swap_cc<mode>"
[(set (match_operand:DCASMODE 0 "register_operand" "=A")
......@@ -195,7 +195,7 @@
UNSPECV_CMPXCHG_2)
(match_dup 2)))]
""
"lock{\;| }cmpxchg<doublemodesuffix>b{\t| }%1")
"lock cmpxchg<doublemodesuffix>b\t%1")
;; See above for the explanation of using the constraint "SD" for
;; operand 3.
......@@ -216,7 +216,7 @@
UNSPECV_CMPXCHG_2)
(match_dup 2)))]
"!TARGET_64BIT && TARGET_CMPXCHG8B && flag_pic"
"xchg{l}\t%%ebx, %3\;lock{\;| }cmpxchg8b{\t| }%1\;xchg{l}\t%%ebx, %3")
"xchg{l}\t%%ebx, %3\;lock cmpxchg8b\t%1\;xchg{l}\t%%ebx, %3")
(define_insn "sync_old_add<mode>"
[(set (match_operand:IMODE 0 "register_operand" "=<modeconstraint>")
......@@ -227,7 +227,7 @@
(match_operand:IMODE 2 "register_operand" "0")))
(clobber (reg:CC FLAGS_REG))]
"TARGET_XADD"
"lock{\;| }xadd{<modesuffix>\t%0, %1| %1, %0}")
"lock xadd{<modesuffix>}\t{%0, %1|%1, %0}")
;; Recall that xchg implicitly sets LOCK#, so adding it again wastes space.
(define_insn "sync_lock_test_and_set<mode>"
......@@ -251,12 +251,12 @@
if (TARGET_USE_INCDEC)
{
if (operands[1] == const1_rtx)
return "lock{\;| }inc{<modesuffix>\t| }%0";
return "lock inc{<modesuffix>}\t%0";
if (operands[1] == constm1_rtx)
return "lock{\;| }dec{<modesuffix>\t| }%0";
return "lock dec{<modesuffix>}\t%0";
}
return "lock{\;| }add{<modesuffix>\t%1, %0| %0, %1}";
return "lock add{<modesuffix>}\t{%1, %0|%0, %1}";
})
(define_insn "sync_sub<mode>"
......@@ -271,12 +271,12 @@
if (TARGET_USE_INCDEC)
{
if (operands[1] == const1_rtx)
return "lock{\;| }dec{<modesuffix>\t| }%0";
return "lock dec{<modesuffix>}\t%0";
if (operands[1] == constm1_rtx)
return "lock{\;| }inc{<modesuffix>\t| }%0";
return "lock inc{<modesuffix>}\t%0";
}
return "lock{\;| }sub{<modesuffix>\t%1, %0| %0, %1}";
return "lock sub{<modesuffix>}\t{%1, %0|%0, %1}";
})
(define_insn "sync_ior<mode>"
......@@ -287,7 +287,7 @@
UNSPECV_LOCK))
(clobber (reg:CC FLAGS_REG))]
""
"lock{\;| }or{<modesuffix>\t%1, %0| %0, %1}")
"lock or{<modesuffix>}\t{%1, %0|%0, %1}")
(define_insn "sync_and<mode>"
[(set (match_operand:IMODE 0 "memory_operand" "+m")
......@@ -297,7 +297,7 @@
UNSPECV_LOCK))
(clobber (reg:CC FLAGS_REG))]
""
"lock{\;| }and{<modesuffix>\t%1, %0| %0, %1}")
"lock and{<modesuffix>}\t{%1, %0|%0, %1}")
(define_insn "sync_xor<mode>"
[(set (match_operand:IMODE 0 "memory_operand" "+m")
......@@ -307,4 +307,4 @@
UNSPECV_LOCK))
(clobber (reg:CC FLAGS_REG))]
""
"lock{\;| }xor{<modesuffix>\t%1, %0| %0, %1}")
"lock xor{<modesuffix>}\t{%1, %0|%0, %1}")
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment