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rs6000: wi->wa, wt->wa

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"wi" and "wt" mean just the same as "wa" these days.  Change them to
the simpler name.


	* config/rs6000/constraints.md (define_register_constraint "wi"):
	Delete.
	(define_register_constraint "wt"): Delete.
	* config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
	(rs6000_init_hard_regno_mode_ok): Adjust.
	* config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
	RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
	* config/rs6000/rs6000.md: Adjust.
	* config/rs6000/vsx.md: Adjust.
	* doc/md.texi (Machine Constraints): Adjust.

From-SVN: r271914
This commit is contained in:
Segher Boessenkool 2019-06-04 18:27:45 +02:00 committed by Segher Boessenkool
parent e8c470690a
commit e670418ff1
7 changed files with 62 additions and 73 deletions
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13
gcc/ChangeLog
View File

@ -1,3 +1,16 @@
2019-06-04 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/constraints.md (define_register_constraint "wi"):
Delete.
(define_register_constraint "wt"): Delete.
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
(rs6000_init_hard_regno_mode_ok): Adjust.
* config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
* config/rs6000/rs6000.md: Adjust.
* config/rs6000/vsx.md: Adjust.
* doc/md.texi (Machine Constraints): Adjust.
2019-06-04 Szabolcs Nagy <szabolcs.nagy@arm.com>
* config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove

6
gcc/config/rs6000/constraints.md
View File

@ -68,9 +68,6 @@
(define_register_constraint "wf" "rs6000_constraints[RS6000_CONSTRAINT_wf]"
"VSX vector register to hold vector float data or NO_REGS.")
(define_register_constraint "wi" "rs6000_constraints[RS6000_CONSTRAINT_wi]"
"FP or VSX register to hold 64-bit integers for VSX insns or NO_REGS.")
;; NO_REGs register constraint, used to merge mov{sd,sf}, since movsd can use
;; direct move directly, and movsf can't to move between the register sets.
;; There is a mode_attr that resolves to wa for SDmode and wn for SFmode
@ -88,9 +85,6 @@
(define_register_constraint "ws" "rs6000_constraints[RS6000_CONSTRAINT_ws]"
"VSX vector register to hold scalar double values or NO_REGS.")
(define_register_constraint "wt" "rs6000_constraints[RS6000_CONSTRAINT_wt]"
"VSX vector register to hold 128 bit integer or NO_REGS.")
(define_register_constraint "wv" "rs6000_constraints[RS6000_CONSTRAINT_wv]"
"Altivec register to use for double loads/stores or NO_REGS.")

8
gcc/config/rs6000/rs6000.c
View File

@ -2511,12 +2511,10 @@ rs6000_debug_reg_global (void)
"wd reg_class = %s\n"
"we reg_class = %s\n"
"wf reg_class = %s\n"
"wi reg_class = %s\n"
"wp reg_class = %s\n"
"wq reg_class = %s\n"
"wr reg_class = %s\n"
"ws reg_class = %s\n"
"wt reg_class = %s\n"
"wv reg_class = %s\n"
"ww reg_class = %s\n"
"wx reg_class = %s\n"
@ -2529,12 +2527,10 @@ rs6000_debug_reg_global (void)
reg_class_names[rs6000_constraints[RS6000_CONSTRAINT_wd]],
reg_class_names[rs6000_constraints[RS6000_CONSTRAINT_we]],
reg_class_names[rs6000_constraints[RS6000_CONSTRAINT_wf]],
reg_class_names[rs6000_constraints[RS6000_CONSTRAINT_wi]],
reg_class_names[rs6000_constraints[RS6000_CONSTRAINT_wp]],
reg_class_names[rs6000_constraints[RS6000_CONSTRAINT_wq]],
reg_class_names[rs6000_constraints[RS6000_CONSTRAINT_wr]],
reg_class_names[rs6000_constraints[RS6000_CONSTRAINT_ws]],
reg_class_names[rs6000_constraints[RS6000_CONSTRAINT_wt]],
reg_class_names[rs6000_constraints[RS6000_CONSTRAINT_wv]],
reg_class_names[rs6000_constraints[RS6000_CONSTRAINT_ww]],
reg_class_names[rs6000_constraints[RS6000_CONSTRAINT_wx]],
@ -3148,11 +3144,9 @@ rs6000_init_hard_regno_mode_ok (bool global_init_p)
wc - Reserved to represent individual CR bits (used in LLVM).
wd - Preferred register class for V2DFmode.
wf - Preferred register class for V4SFmode.
wi - FP or VSX register to hold 64-bit integers for VSX insns.
wn - always NO_REGS.
wr - GPR if 64-bit mode is permitted.
ws - Register class to do ISA 2.06 DF operations.
wt - VSX register for TImode in VSX registers.
wv - Altivec register for ISA 2.06 VSX DF/DI load/stores.
ww - Register class to do SF conversions in with VSX operations.
wx - Float register if we can do 32-bit int stores. */
@ -3170,8 +3164,6 @@ rs6000_init_hard_regno_mode_ok (bool global_init_p)
rs6000_constraints[RS6000_CONSTRAINT_wf] = VSX_REGS; /* V4SFmode */
rs6000_constraints[RS6000_CONSTRAINT_ws] = VSX_REGS; /* DFmode */
rs6000_constraints[RS6000_CONSTRAINT_wv] = ALTIVEC_REGS; /* DFmode */
rs6000_constraints[RS6000_CONSTRAINT_wi] = VSX_REGS; /* DImode */
rs6000_constraints[RS6000_CONSTRAINT_wt] = VSX_REGS; /* TImode */
}
/* Add conditional constraints based on various options, to allow us to

2
gcc/config/rs6000/rs6000.h
View File

@ -1259,12 +1259,10 @@ enum r6000_reg_class_enum {
RS6000_CONSTRAINT_wd, /* VSX register for V2DF */
RS6000_CONSTRAINT_we, /* VSX register if ISA 3.0 vector. */
RS6000_CONSTRAINT_wf, /* VSX register for V4SF */
RS6000_CONSTRAINT_wi, /* FPR/VSX register to hold DImode */
RS6000_CONSTRAINT_wp, /* VSX reg for IEEE 128-bit fp TFmode. */
RS6000_CONSTRAINT_wq, /* VSX reg for IEEE 128-bit fp KFmode. */
RS6000_CONSTRAINT_wr, /* GPR register if 64-bit */
RS6000_CONSTRAINT_ws, /* VSX register for DF */
RS6000_CONSTRAINT_wt, /* VSX register for TImode */
RS6000_CONSTRAINT_wv, /* Altivec register for double load/stores. */
RS6000_CONSTRAINT_ww, /* FP or VSX register for vsx float ops. */
RS6000_CONSTRAINT_wx, /* FPR register for STFIWX */

78
gcc/config/rs6000/rs6000.md
View File

@ -526,12 +526,12 @@
; ISA 2.06 (power7). This includes instructions that normally target DF mode,
; but are used on SFmode, since internally SFmode values are kept in the DFmode
; format.
(define_mode_attr Fv [(SF "ww") (DF "ws") (DI "wi")])
(define_mode_attr Fv [(SF "ww") (DF "ws") (DI "wa")])
; SF/DF constraint for arithmetic on VSX registers. This is intended to be
; used for DFmode instructions added in ISA 2.06 (power7) and SFmode
; instructions added in ISA 2.07 (power8)
(define_mode_attr Fv2 [(SF "wa") (DF "ws") (DI "wi")])
(define_mode_attr Fv2 [(SF "wa") (DF "ws") (DI "wa")])
; Which isa is needed for those float instructions?
(define_mode_attr Fisa [(SF "p8v") (DF "*") (DI "*")])
@ -656,7 +656,7 @@
;; either.
;; Mode attribute for boolean operation register constraints for output
(define_mode_attr BOOL_REGS_OUTPUT [(TI "&r,r,r,wt,v")
(define_mode_attr BOOL_REGS_OUTPUT [(TI "&r,r,r,wa,v")
(PTI "&r,r,r")
(V16QI "wa,v,&?r,?r,?r")
(V8HI "wa,v,&?r,?r,?r")
@ -667,7 +667,7 @@
(V1TI "wa,v,&?r,?r,?r")])
;; Mode attribute for boolean operation register constraints for operand1
(define_mode_attr BOOL_REGS_OP1 [(TI "r,0,r,wt,v")
(define_mode_attr BOOL_REGS_OP1 [(TI "r,0,r,wa,v")
(PTI "r,0,r")
(V16QI "wa,v,r,0,r")
(V8HI "wa,v,r,0,r")
@ -678,7 +678,7 @@
(V1TI "wa,v,r,0,r")])
;; Mode attribute for boolean operation register constraints for operand2
(define_mode_attr BOOL_REGS_OP2 [(TI "r,r,0,wt,v")
(define_mode_attr BOOL_REGS_OP2 [(TI "r,r,0,wa,v")
(PTI "r,r,0")
(V16QI "wa,v,r,r,0")
(V8HI "wa,v,r,r,0")
@ -691,7 +691,7 @@
;; Mode attribute for boolean operation register constraints for operand1
;; for one_cmpl. To simplify things, we repeat the constraint where 0
;; is used for operand1 or operand2
(define_mode_attr BOOL_REGS_UNARY [(TI "r,0,0,wt,v")
(define_mode_attr BOOL_REGS_UNARY [(TI "r,0,0,wa,v")
(PTI "r,0,0")
(V16QI "wa,v,r,0,0")
(V8HI "wa,v,r,0,0")
@ -835,7 +835,7 @@
(define_insn "zero_extendsi<mode>2"
[(set (match_operand:EXTSI 0 "gpc_reg_operand" "=r,r,d,wa,wi,r,wa")
[(set (match_operand:EXTSI 0 "gpc_reg_operand" "=r,r,d,wa,wa,r,wa")
(zero_extend:EXTSI (match_operand:SI 1 "reg_or_mem_operand" "m,r,Z,Z,r,wa,wa")))]
""
"@
@ -1020,7 +1020,7 @@
(define_insn "extendsi<mode>2"
[(set (match_operand:EXTSI 0 "gpc_reg_operand"
"=r, r, d, wa, wi, v, v, wr")
"=r, r, d, wa, wa, v, v, wr")
(sign_extend:EXTSI (match_operand:SI 1 "lwa_operand"
"YZ, r, Z, Z, r, v, v, ?wa")))]
""
@ -5234,7 +5234,7 @@
; We don't define lfiwax/lfiwzx with the normal definition, because we
; don't want to support putting SImode in FPR registers.
(define_insn "lfiwax"
[(set (match_operand:DI 0 "gpc_reg_operand" "=d,wi,wi,v")
[(set (match_operand:DI 0 "gpc_reg_operand" "=d,wa,wa,v")
(unspec:DI [(match_operand:SI 1 "reg_or_indexed_operand" "Z,Z,r,v")]
UNSPEC_LFIWAX))]
"TARGET_HARD_FLOAT && TARGET_LFIWAX"
@ -5254,7 +5254,7 @@
(define_insn_and_split "floatsi<mode>2_lfiwax"
[(set (match_operand:SFDF 0 "gpc_reg_operand" "=<Fv>")
(float:SFDF (match_operand:SI 1 "nonimmediate_operand" "r")))
(clobber (match_scratch:DI 2 "=wi"))]
(clobber (match_scratch:DI 2 "=wa"))]
"TARGET_HARD_FLOAT && TARGET_LFIWAX
&& <SI_CONVERT_FP> && can_create_pseudo_p ()"
"#"
@ -5295,7 +5295,7 @@
(float:SFDF
(sign_extend:DI
(match_operand:SI 1 "indexed_or_indirect_operand" "Z"))))
(clobber (match_scratch:DI 2 "=wi"))]
(clobber (match_scratch:DI 2 "=wa"))]
"TARGET_HARD_FLOAT && TARGET_LFIWAX && <SI_CONVERT_FP>"
"#"
""
@ -5315,7 +5315,7 @@
(set_attr "type" "fpload")])
(define_insn "lfiwzx"
[(set (match_operand:DI 0 "gpc_reg_operand" "=d,wi,wi,wa")
[(set (match_operand:DI 0 "gpc_reg_operand" "=d,wa,wa,wa")
(unspec:DI [(match_operand:SI 1 "reg_or_indexed_operand" "Z,Z,r,wa")]
UNSPEC_LFIWZX))]
"TARGET_HARD_FLOAT && TARGET_LFIWZX"
@ -5330,7 +5330,7 @@
(define_insn_and_split "floatunssi<mode>2_lfiwzx"
[(set (match_operand:SFDF 0 "gpc_reg_operand" "=<Fv>")
(unsigned_float:SFDF (match_operand:SI 1 "nonimmediate_operand" "r")))
(clobber (match_scratch:DI 2 "=wi"))]
(clobber (match_scratch:DI 2 "=wa"))]
"TARGET_HARD_FLOAT && TARGET_LFIWZX && <SI_CONVERT_FP>"
"#"
""
@ -5370,7 +5370,7 @@
(unsigned_float:SFDF
(zero_extend:DI
(match_operand:SI 1 "indexed_or_indirect_operand" "Z"))))
(clobber (match_scratch:DI 2 "=wi"))]
(clobber (match_scratch:DI 2 "=wa"))]
"TARGET_HARD_FLOAT && TARGET_LFIWZX && <SI_CONVERT_FP>"
"#"
""
@ -5569,7 +5569,7 @@
[(set (match_operand:FP_ISA3 0 "vsx_register_operand" "=<Fv>,<Fv>,<Fv>")
(float:FP_ISA3
(match_operand:QHI 1 "reg_or_indexed_operand" "v,r,Z")))
(clobber (match_scratch:DI 2 "=v,wi,v"))
(clobber (match_scratch:DI 2 "=v,wa,v"))
(clobber (match_scratch:DI 3 "=X,r,X"))
(clobber (match_scratch:<QHI:MODE> 4 "=X,X,v"))]
"TARGET_P9_VECTOR && TARGET_DIRECT_MOVE && TARGET_POWERPC64"
@ -5622,7 +5622,7 @@
[(set (match_operand:FP_ISA3 0 "vsx_register_operand" "=<Fv>,<Fv>,<Fv>")
(unsigned_float:FP_ISA3
(match_operand:QHI 1 "reg_or_indexed_operand" "v,r,Z")))
(clobber (match_scratch:DI 2 "=v,wi,wa"))
(clobber (match_scratch:DI 2 "=v,wa,wa"))
(clobber (match_scratch:DI 3 "=X,r,X"))]
"TARGET_P9_VECTOR && TARGET_DIRECT_MOVE && TARGET_POWERPC64"
"#"
@ -5748,7 +5748,7 @@
"")
(define_insn "*fix_trunc<mode>di2_fctidz"
[(set (match_operand:DI 0 "gpc_reg_operand" "=d,wi")
[(set (match_operand:DI 0 "gpc_reg_operand" "=d,wa")
(fix:DI (match_operand:SFDF 1 "gpc_reg_operand" "<Ff>,<Fv>")))]
"TARGET_HARD_FLOAT && TARGET_FCFID"
"@
@ -5765,7 +5765,7 @@
(define_insn_and_split "fix<uns>_trunc<SFDF:mode><QHI:mode>2"
[(set (match_operand:<QHI:MODE> 0 "gpc_reg_operand" "=d,wa,r")
(any_fix:QHI (match_operand:SFDF 1 "gpc_reg_operand" "d,wa,wa")))
(clobber (match_scratch:SI 2 "=X,X,wi"))]
(clobber (match_scratch:SI 2 "=X,X,wa"))]
"TARGET_DIRECT_MOVE"
"@
fctiw<u>z %0,%1
@ -5867,7 +5867,7 @@
(set_attr "type" "fp")])
(define_insn "fixuns_trunc<mode>di2"
[(set (match_operand:DI 0 "gpc_reg_operand" "=d,wi")
[(set (match_operand:DI 0 "gpc_reg_operand" "=d,wa")
(unsigned_fix:DI (match_operand:SFDF 1 "gpc_reg_operand" "<Ff>,<Fv>")))]
"TARGET_HARD_FLOAT && TARGET_FCTIDUZ"
"@
@ -6002,7 +6002,7 @@
;; because the first makes it clear that operand 0 is not live
;; before the instruction.
(define_insn "fctiwz_<mode>"
[(set (match_operand:DI 0 "gpc_reg_operand" "=d,wi")
[(set (match_operand:DI 0 "gpc_reg_operand" "=d,wa")
(unspec:DI [(fix:SI
(match_operand:SFDF 1 "gpc_reg_operand" "<Ff>,<Fv>"))]
UNSPEC_FCTIWZ))]
@ -6013,7 +6013,7 @@
[(set_attr "type" "fp")])
(define_insn "fctiwuz_<mode>"
[(set (match_operand:DI 0 "gpc_reg_operand" "=d,wi")
[(set (match_operand:DI 0 "gpc_reg_operand" "=d,wa")
(unspec:DI [(unsigned_fix:SI
(match_operand:SFDF 1 "gpc_reg_operand" "<Ff>,<Fv>"))]
UNSPEC_FCTIWUZ))]
@ -6224,7 +6224,7 @@
(define_insn "floatdidf2"
[(set (match_operand:DF 0 "gpc_reg_operand" "=d,ws")
(float:DF (match_operand:DI 1 "gpc_reg_operand" "d,wi")))]
(float:DF (match_operand:DI 1 "gpc_reg_operand" "d,wa")))]
"TARGET_FCFID && TARGET_HARD_FLOAT"
"@
fcfid %0,%1
@ -6239,7 +6239,7 @@
(define_insn_and_split "*floatdidf2_mem"
[(set (match_operand:DF 0 "gpc_reg_operand" "=d,ws")
(float:DF (match_operand:DI 1 "memory_operand" "m,Z")))
(clobber (match_scratch:DI 2 "=d,wi"))]
(clobber (match_scratch:DI 2 "=d,wa"))]
"TARGET_HARD_FLOAT && TARGET_FCFID"
"#"
"&& reload_completed"
@ -6258,7 +6258,7 @@
(define_insn "*floatunsdidf2_fcfidu"
[(set (match_operand:DF 0 "gpc_reg_operand" "=d,ws")
(unsigned_float:DF (match_operand:DI 1 "gpc_reg_operand" "d,wi")))]
(unsigned_float:DF (match_operand:DI 1 "gpc_reg_operand" "d,wa")))]
"TARGET_HARD_FLOAT && TARGET_FCFIDU"
"@
fcfidu %0,%1
@ -6268,7 +6268,7 @@
(define_insn_and_split "*floatunsdidf2_mem"
[(set (match_operand:DF 0 "gpc_reg_operand" "=d,ws")
(unsigned_float:DF (match_operand:DI 1 "memory_operand" "m,Z")))
(clobber (match_scratch:DI 2 "=d,wi"))]
(clobber (match_scratch:DI 2 "=d,wa"))]
"TARGET_HARD_FLOAT && (TARGET_FCFIDU || VECTOR_UNIT_VSX_P (DFmode))"
"#"
"&& reload_completed"
@ -6301,7 +6301,7 @@
(define_insn "floatdisf2_fcfids"
[(set (match_operand:SF 0 "gpc_reg_operand" "=f,wa")
(float:SF (match_operand:DI 1 "gpc_reg_operand" "d,wi")))]
(float:SF (match_operand:DI 1 "gpc_reg_operand" "d,wa")))]
"TARGET_HARD_FLOAT && TARGET_FCFIDS"
"@
fcfids %0,%1
@ -6312,7 +6312,7 @@
(define_insn_and_split "*floatdisf2_mem"
[(set (match_operand:SF 0 "gpc_reg_operand" "=f,wa,wa")
(float:SF (match_operand:DI 1 "memory_operand" "m,m,Z")))
(clobber (match_scratch:DI 2 "=d,d,wi"))]
(clobber (match_scratch:DI 2 "=d,d,wa"))]
"TARGET_HARD_FLOAT && TARGET_FCFIDS"
"#"
"&& reload_completed"
@ -6382,7 +6382,7 @@
(define_insn "floatunsdisf2_fcfidus"
[(set (match_operand:SF 0 "gpc_reg_operand" "=f,wa")
(unsigned_float:SF (match_operand:DI 1 "gpc_reg_operand" "d,wi")))]
(unsigned_float:SF (match_operand:DI 1 "gpc_reg_operand" "d,wa")))]
"TARGET_HARD_FLOAT && TARGET_FCFIDUS"
"@
fcfidus %0,%1
@ -6393,7 +6393,7 @@
(define_insn_and_split "*floatunsdisf2_mem"
[(set (match_operand:SF 0 "gpc_reg_operand" "=f,wa,wa")
(unsigned_float:SF (match_operand:DI 1 "memory_operand" "m,m,Z")))
(clobber (match_scratch:DI 2 "=d,d,wi"))]
(clobber (match_scratch:DI 2 "=d,d,wa"))]
"TARGET_HARD_FLOAT && TARGET_FCFIDUS"
"#"
"&& reload_completed"
@ -8742,12 +8742,12 @@
(define_insn "*movdi_internal32"
[(set (match_operand:DI 0 "nonimmediate_operand"
"=Y, r, r, m, ^d, ^d,
r, wY, Z, ^v, $wv, ^wi,
wa, wa, wv, wi, *i, wv,
r, wY, Z, ^v, $wv, ^wa,
wa, wa, wv, wa, *i, wv,
wv")
(match_operand:DI 1 "input_operand"
"r, Y, r, ^d, m, ^d,
IJKnF, ^v, $wv, wY, Z, ^wi,
IJKnF, ^v, $wv, wY, Z, ^wa,
Oj, wM, OjwM, Oj, wM, wS,
wB"))]
"! TARGET_POWERPC64
@ -8826,15 +8826,15 @@
[(set (match_operand:DI 0 "nonimmediate_operand"
"=YZ, r, r, r, r, r,
m, ^d, ^d, wY, Z, $v,
$wv, ^wi, wa, wa, wv, wi,
wi, wv, wv, r, *h, *h,
?r, ?wi")
$wv, ^wa, wa, wa, wv, wa,
wa, wv, wv, r, *h, *h,
?r, ?wa")
(match_operand:DI 1 "input_operand"
"r, YZ, r, I, L, nF,
^d, m, ^d, ^v, $wv, wY,
Z, ^wi, Oj, wM, OjwM, Oj,
Z, ^wa, Oj, wM, OjwM, Oj,
wM, wS, wB, *h, r, 0,
wi, r"))]
wa, r"))]
"TARGET_POWERPC64
&& (gpc_reg_operand (operands[0], DImode)
|| gpc_reg_operand (operands[1], DImode))"
@ -12654,7 +12654,7 @@
(const_int 1))
(label_ref (match_operand 0))
(pc)))
(set (match_operand:P 2 "nonimmediate_operand" "=1,*r,m,*d*wi*c*l")
(set (match_operand:P 2 "nonimmediate_operand" "=1,*r,m,*d*wa*c*l")
(plus:P (match_dup 1)
(const_int -1)))
(clobber (match_scratch:CC 3 "=X,&x,&x,&x"))
@ -12730,7 +12730,7 @@
(const_int 0)]))
(label_ref (match_operand 0))
(pc)))
(set (match_operand:P 2 "nonimmediate_operand" "=1,*r,m,*d*wi*c*l")
(set (match_operand:P 2 "nonimmediate_operand" "=1,*r,m,*d*wa*c*l")
(plus:P (match_dup 1)
(const_int -1)))
(clobber (match_scratch:P 5 "=X,X,&r,r"))

16
gcc/config/rs6000/vsx.md
View File

@ -114,13 +114,13 @@
(V4SF "wf")
(V2DI "wd")
(V2DF "wd")
(DI "wi")
(DI "wa")
(DF "ws")
(SF "ww")
(TF "wp")
(KF "wq")
(V1TI "v")
(TI "wt")])
(TI "wa")])
;; Map the register class used for float<->int conversions (floating point side)
;; VSr2 is the preferred register class, VSr3 is any register class that will
@ -129,7 +129,7 @@
(V4SF "wf")
(DF "ws")
(SF "ww")
(DI "wi")
(DI "wa")
(KF "wq")
(TF "wp")])
@ -137,7 +137,7 @@
(V4SF "wa")
(DF "ws")
(SF "ww")
(DI "wi")
(DI "wa")
(KF "wq")
(TF "wp")])
@ -162,11 +162,11 @@
(V4SF "wa")
(V2DI "wa")
(V2DF "wa")
(DI "wi")
(DI "wa")
(DF "ws")
(SF "ww")
(V1TI "wa")
(TI "wt")
(TI "wa")
(TF "wp")
(KF "wq")])
@ -278,7 +278,7 @@
;; Map register class for 64-bit element in 128-bit vector for normal register
;; to register moves
(define_mode_attr VS_64reg [(V2DF "ws")
(V2DI "wi")])
(V2DI "wa")])
;; Iterators for loading constants with xxspltib
(define_mode_iterator VSINT_84 [V4SI V2DI DI SI])
@ -4151,7 +4151,7 @@
[(set (match_operand:V4SI 0 "vsx_register_operand" "=wa,we")
(vec_duplicate:V4SI
(truncate:SI
(match_operand:DI 1 "gpc_reg_operand" "wi,r"))))]
(match_operand:DI 1 "gpc_reg_operand" "wa,r"))))]
"VECTOR_MEM_VSX_P (V4SImode) && TARGET_DIRECT_MOVE_64BIT"
"@
xxspltw %x0,%x1,1

12
gcc/doc/md.texi
View File

@ -3196,10 +3196,8 @@ Altivec vector register
@item wa
Any VSX register if the @option{-mvsx} option was used or NO_REGS.
When using any of the register constraints (@code{wa}, @code{wd},
@code{wf}, @code{wi},
@code{wp}, @code{wq}, @code{ws},
@code{wt}, @code{wv}, or @code{ww})
When using any of the register constraints (@code{wa}, @code{wd}, @code{wf},
@code{wp}, @code{wq}, @code{ws}, @code{wv}, or @code{ww})
that take VSX registers, you must use @code{%x<n>} in the template so
that the correct register is used. Otherwise the register number
output in the assembly file will be incorrect if an Altivec register
@ -3256,9 +3254,6 @@ were used or NO_REGS.
@item wf
VSX vector register to hold vector float data or NO_REGS.
@item wi
FP or VSX register to hold 64-bit integers for VSX insns or NO_REGS.
@item wn
No register (NO_REGS).
@ -3274,9 +3269,6 @@ General purpose register if 64-bit instructions are enabled or NO_REGS.
@item ws
VSX vector register to hold scalar double values or NO_REGS.
@item wt
VSX vector register to hold 128 bit integer or NO_REGS.
@item wv
Altivec register to use for double loads/stores or NO_REGS.