"ws" is just "wa".
* config/rs6000/constraints.md (define_register_constraint "ws"):
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_ws.
* config/rs6000/rs6000.md: Adjust.
* config/rs6000/vsx.md: Adjust.
* doc/md.texi (Machine Constraints): Adjust.
From-SVN: r271916
+2019-06-04 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/constraints.md (define_register_constraint "ws"):
+ 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_ws.
+ * config/rs6000/rs6000.md: Adjust.
+ * config/rs6000/vsx.md: Adjust.
+ * doc/md.texi (Machine Constraints): Adjust.
+
2019-06-04 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/constraints.md (define_register_constraint "wv"):
(define_register_constraint "wr" "rs6000_constraints[RS6000_CONSTRAINT_wr]"
"General purpose register if 64-bit instructions are enabled or NO_REGS.")
-(define_register_constraint "ws" "rs6000_constraints[RS6000_CONSTRAINT_ws]"
- "VSX vector register to hold scalar double values or NO_REGS.")
-
(define_register_constraint "ww" "rs6000_constraints[RS6000_CONSTRAINT_ww]"
"FP or VSX register to perform float operations under -mvsx or NO_REGS.")
"wp reg_class = %s\n"
"wq reg_class = %s\n"
"wr reg_class = %s\n"
- "ws reg_class = %s\n"
"ww reg_class = %s\n"
"wx reg_class = %s\n"
"wA reg_class = %s\n"
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_ww]],
reg_class_names[rs6000_constraints[RS6000_CONSTRAINT_wx]],
reg_class_names[rs6000_constraints[RS6000_CONSTRAINT_wA]]);
wf - Preferred register class for V4SFmode.
wn - always NO_REGS.
wr - GPR if 64-bit mode is permitted.
- ws - Register class to do ISA 2.06 DF operations.
ww - Register class to do SF conversions in with VSX operations.
wx - Float register if we can do 32-bit int stores. */
rs6000_constraints[RS6000_CONSTRAINT_wa] = VSX_REGS;
rs6000_constraints[RS6000_CONSTRAINT_wd] = VSX_REGS; /* V2DFmode */
rs6000_constraints[RS6000_CONSTRAINT_wf] = VSX_REGS; /* V4SFmode */
- rs6000_constraints[RS6000_CONSTRAINT_ws] = VSX_REGS; /* DFmode */
}
/* Add conditional constraints based on various options, to allow us to
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_ww, /* FP or VSX register for vsx float ops. */
RS6000_CONSTRAINT_wx, /* FPR register for STFIWX */
RS6000_CONSTRAINT_wA, /* BASE_REGS if 64-bit. */
(TD "wn")])
; Definitions for 64-bit VSX
-(define_mode_attr f64_vsx [(DF "ws") (DD "wn")])
+(define_mode_attr f64_vsx [(DF "wa") (DD "wn")])
; Definitions for 64-bit direct move
-(define_mode_attr f64_dm [(DF "ws") (DD "d")])
+(define_mode_attr f64_dm [(DF "wa") (DD "d")])
; Definitions for 64-bit use of altivec registers
(define_mode_attr f64_av [(DF "v") (DD "wn")])
; 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 "wa")])
+(define_mode_attr Fv [(SF "ww") (DF "wa") (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 "wa")])
+(define_mode_attr Fv2 [(SF "wa") (DF "wa") (DI "wa")])
; Which isa is needed for those float instructions?
(define_mode_attr Fisa [(SF "p8v") (DF "*") (DI "*")])
(DI "Y")])
(define_mode_attr rreg [(SF "f")
- (DF "ws")
+ (DF "wa")
(TF "f")
(TD "f")
(V4SF "wf")
})
(define_insn_and_split "*extendsfdf2_fpr"
- [(set (match_operand:DF 0 "gpc_reg_operand" "=d,?d,d,ws,?ws,wa,v")
+ [(set (match_operand:DF 0 "gpc_reg_operand" "=d,?d,d,wa,?wa,wa,v")
(float_extend:DF (match_operand:SF 1 "reg_or_mem_operand" "0,f,m,0,wa,Z,wY")))]
"TARGET_HARD_FLOAT && !HONOR_SNANS (SFmode)"
"@
(set_attr "isa" "*,*,*,*,p8v,p8v,p9v")])
(define_insn "*extendsfdf2_snan"
- [(set (match_operand:DF 0 "gpc_reg_operand" "=d,ws")
+ [(set (match_operand:DF 0 "gpc_reg_operand" "=d,wa")
(float_extend:DF (match_operand:SF 1 "gpc_reg_operand" "f,wa")))]
"TARGET_HARD_FLOAT && HONOR_SNANS (SFmode)"
"@
(define_insn "*truncdfsf2_fpr"
[(set (match_operand:SF 0 "gpc_reg_operand" "=f,wa")
- (float_truncate:SF (match_operand:DF 1 "gpc_reg_operand" "d,ws")))]
+ (float_truncate:SF (match_operand:DF 1 "gpc_reg_operand" "d,wa")))]
"TARGET_HARD_FLOAT"
"@
frsp %0,%1
;; since the friz instruction does not truncate the value if the floating
;; point value is < LONG_MIN or > LONG_MAX.
(define_insn "*friz"
- [(set (match_operand:DF 0 "gpc_reg_operand" "=d,ws")
- (float:DF (fix:DI (match_operand:DF 1 "gpc_reg_operand" "d,ws"))))]
+ [(set (match_operand:DF 0 "gpc_reg_operand" "=d,wa")
+ (float:DF (fix:DI (match_operand:DF 1 "gpc_reg_operand" "d,wa"))))]
"TARGET_HARD_FLOAT && TARGET_FPRND
&& flag_unsafe_math_optimizations && !flag_trapping_math && TARGET_FRIZ"
"@
})
(define_insn "floatdidf2"
- [(set (match_operand:DF 0 "gpc_reg_operand" "=d,ws")
+ [(set (match_operand:DF 0 "gpc_reg_operand" "=d,wa")
(float:DF (match_operand:DI 1 "gpc_reg_operand" "d,wa")))]
"TARGET_FCFID && TARGET_HARD_FLOAT"
"@
; hit. We will split after reload to avoid the trip through the GPRs
(define_insn_and_split "*floatdidf2_mem"
- [(set (match_operand:DF 0 "gpc_reg_operand" "=d,ws")
+ [(set (match_operand:DF 0 "gpc_reg_operand" "=d,wa")
(float:DF (match_operand:DI 1 "memory_operand" "m,Z")))
(clobber (match_scratch:DI 2 "=d,wa"))]
"TARGET_HARD_FLOAT && TARGET_FCFID"
"")
(define_insn "*floatunsdidf2_fcfidu"
- [(set (match_operand:DF 0 "gpc_reg_operand" "=d,ws")
+ [(set (match_operand:DF 0 "gpc_reg_operand" "=d,wa")
(unsigned_float:DF (match_operand:DI 1 "gpc_reg_operand" "d,wa")))]
"TARGET_HARD_FLOAT && TARGET_FCFIDU"
"@
[(set_attr "type" "fp")])
(define_insn_and_split "*floatunsdidf2_mem"
- [(set (match_operand:DF 0 "gpc_reg_operand" "=d,ws")
+ [(set (match_operand:DF 0 "gpc_reg_operand" "=d,wa")
(unsigned_float:DF (match_operand:DI 1 "memory_operand" "m,Z")))
(clobber (match_scratch:DI 2 "=d,wa"))]
"TARGET_HARD_FLOAT && (TARGET_FCFIDU || VECTOR_UNIT_VSX_P (DFmode))"
(define_insn_and_split "extenddf<mode>2_vsx"
[(set (match_operand:IBM128 0 "gpc_reg_operand" "=d,d")
(float_extend:IBM128
- (match_operand:DF 1 "nonimmediate_operand" "ws,m")))]
+ (match_operand:DF 1 "nonimmediate_operand" "wa,m")))]
"TARGET_LONG_DOUBLE_128 && TARGET_VSX && FLOAT128_IBM_P (<MODE>mode)"
"#"
"&& reload_completed"
(V2DI "wd")
(V2DF "wd")
(DI "wa")
- (DF "ws")
+ (DF "wa")
(SF "ww")
(TF "wp")
(KF "wq")
;; hold the data
(define_mode_attr VSr2 [(V2DF "wd")
(V4SF "wf")
- (DF "ws")
+ (DF "wa")
(SF "ww")
(DI "wa")
(KF "wq")
(define_mode_attr VSr3 [(V2DF "wa")
(V4SF "wa")
- (DF "ws")
+ (DF "wa")
(SF "ww")
(DI "wa")
(KF "wq")
(TF "wp")])
;; Map the register class for sp<->dp float conversions, destination
-(define_mode_attr VSr4 [(SF "ws")
+(define_mode_attr VSr4 [(SF "wa")
(DF "f")
(V2DF "wd")
(V4SF "v")])
;; Map the register class for sp<->dp float conversions, source
-(define_mode_attr VSr5 [(SF "ws")
+(define_mode_attr VSr5 [(SF "wa")
(DF "f")
(V2DF "v")
(V4SF "wd")])
(V2DI "wa")
(V2DF "wa")
(DI "wa")
- (DF "ws")
+ (DF "wa")
(SF "ww")
(V1TI "wa")
(TI "wa")
;; Map register class for 64-bit element in 128-bit vector for normal register
;; to register moves
-(define_mode_attr VS_64reg [(V2DF "ws")
+(define_mode_attr VS_64reg [(V2DF "wa")
(V2DI "wa")])
;; Iterators for loading constants with xxspltib
;; xscvspdp, represent the scalar SF type as V4SF
(define_insn "vsx_xscvspdp"
- [(set (match_operand:DF 0 "vsx_register_operand" "=ws")
+ [(set (match_operand:DF 0 "vsx_register_operand" "=wa")
(unspec:DF [(match_operand:V4SF 1 "vsx_register_operand" "wa")]
UNSPEC_VSX_CVSPDP))]
"VECTOR_UNIT_VSX_P (V4SFmode)"
;; ISA 2.07 xscvdpspn/xscvspdpn that does not raise an error on signalling NaNs
(define_insn "vsx_xscvdpspn"
[(set (match_operand:V4SF 0 "vsx_register_operand" "=ww")
- (unspec:V4SF [(match_operand:DF 1 "vsx_register_operand" "ws")]
+ (unspec:V4SF [(match_operand:DF 1 "vsx_register_operand" "wa")]
UNSPEC_VSX_CVDPSPN))]
"TARGET_XSCVDPSPN"
"xscvdpspn %x0,%x1"
[(set_attr "type" "fp")])
(define_insn "vsx_xscvspdpn"
- [(set (match_operand:DF 0 "vsx_register_operand" "=ws")
+ [(set (match_operand:DF 0 "vsx_register_operand" "=wa")
(unspec:DF [(match_operand:V4SF 1 "vsx_register_operand" "wa")]
UNSPEC_VSX_CVSPDPN))]
"TARGET_XSCVSPDPN"
[(set_attr "type" "vecdouble")])
(define_insn "vsx_xvcvsxwdp_df"
- [(set (match_operand:DF 0 "vsx_register_operand" "=ws")
+ [(set (match_operand:DF 0 "vsx_register_operand" "=wa")
(unspec:DF [(match_operand:V4SI 1 "vsx_register_operand" "wa")]
UNSPEC_VSX_CVSXWDP))]
"TARGET_VSX"
[(set_attr "type" "vecdouble")])
(define_insn "vsx_xvcvuxwdp_df"
- [(set (match_operand:DF 0 "vsx_register_operand" "=ws")
+ [(set (match_operand:DF 0 "vsx_register_operand" "=wa")
(unspec:DF [(match_operand:V4SI 1 "vsx_register_operand" "wa")]
UNSPEC_VSX_CVUXWDP))]
"TARGET_VSX"
;; Optimize double d = (double) vec_extract (vi, <n>)
;; Get the element into the top position and use XVCVSWDP/XVCVUWDP
(define_insn_and_split "*vsx_extract_si_<uns>float_df"
- [(set (match_operand:DF 0 "gpc_reg_operand" "=ws")
+ [(set (match_operand:DF 0 "gpc_reg_operand" "=wa")
(any_float:DF
(vec_select:SI
(match_operand:V4SI 1 "gpc_reg_operand" "v")
(match_operand:V4SI 1 "gpc_reg_operand" "v")
(parallel [(match_operand:QI 2 "const_0_to_3_operand" "n")]))))
(clobber (match_scratch:V4SI 3 "=v"))
- (clobber (match_scratch:DF 4 "=ws"))]
+ (clobber (match_scratch:DF 4 "=wa"))]
"VECTOR_MEM_VSX_P (V4SImode) && TARGET_DIRECT_MOVE_64BIT"
"#"
"&& 1"
;; to the top element of the V2DF array without doing an extract.
(define_insn_and_split "*vsx_reduc_<VEC_reduc_name>_v2df_scalar"
- [(set (match_operand:DF 0 "vfloat_operand" "=&ws,&?ws,ws,?ws")
+ [(set (match_operand:DF 0 "vfloat_operand" "=&wa,&?wa,wa,?wa")
(vec_select:DF
(VEC_reduc:V2DF
(vec_concat:V2DF
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{wp}, @code{wq}, @code{ws}, or @code{ww})
+@code{wp}, @code{wq}, 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
@item wr
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 ww
FP or VSX register to perform float operations under @option{-mvsx} or NO_REGS.
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