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riscv-gcc-1
Commit 2b04e52b by Jan Hubicka Committed by Jan Hubicka
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i386.md (attribute mode): Add "TI". 


	* i386.md (attribute mode): Add "TI".
	(movsf_1): Add pxor support; remove constant propagation splitter.
	(movdf_integer): Likewise.
	(movdf_nointeger): Likewise.
	(movxf constant prop splitter): Handle all modes; update for SSE.
	* i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
	* i386.c (standard_80387_constant_p): Rewrite.
	(standard_sse_constant_p): New.
	* i386-protos.h (standard_sse_constant_p): New.

From-SVN: r40132
parent a46d1d38
Showing with 77 additions and 84 deletions
gcc/ChangeLog
Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
* i386.md (attribute mode): Add "TI".
(movsf_1): Add pxor support; remove constant propagation splitter.
(movdf_integer): Likewise.
(movdf_nointeger): Likewise.
(movxf constant prop splitter): Handle all modes; update for SSE.
* i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
* i386.c (standard_80387_constant_p): Rewrite.
(standard_sse_constant_p): New.
* i386-protos.h (standard_sse_constant_p): New.
Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz> Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
* i386.md (sse_setccsf, sse_setccdf): New. * i386.md (sse_setccsf, sse_setccdf): New.
......
gcc/config/i386/i386-protos.h
...@@ -40,6 +40,7 @@ extern void ix86_output_block_profiler PARAMS ((FILE *, int)); ...@@ -40,6 +40,7 @@ extern void ix86_output_block_profiler PARAMS ((FILE *, int));
extern int ix86_aligned_p PARAMS ((rtx)); extern int ix86_aligned_p PARAMS ((rtx));
extern int standard_80387_constant_p PARAMS ((rtx)); extern int standard_80387_constant_p PARAMS ((rtx));
extern int standard_sse_constant_p PARAMS ((rtx));
extern int symbolic_reference_mentioned_p PARAMS ((rtx)); extern int symbolic_reference_mentioned_p PARAMS ((rtx));
extern int const_int_1_operand PARAMS ((rtx, enum machine_mode)); extern int const_int_1_operand PARAMS ((rtx, enum machine_mode));
......
gcc/config/i386/i386.c
...@@ -1644,40 +1644,29 @@ int ...@@ -1644,40 +1644,29 @@ int
standard_80387_constant_p (x) standard_80387_constant_p (x)
rtx x; rtx x;
{ {
if (GET_CODE (x) != CONST_DOUBLE) if (GET_CODE (x) != CONST_DOUBLE || !FLOAT_MODE_P (GET_MODE (x)))
return -1; return -1;
/* Note that on the 80387, other constants, such as pi, that we should support
#if ! defined (REAL_IS_NOT_DOUBLE) || defined (REAL_ARITHMETIC) too. On some machines, these are much slower to load as standard constant,
{ than to load from doubles in memory. */
REAL_VALUE_TYPE d; if (x == CONST0_RTX (GET_MODE (x)))
jmp_buf handler; return 1;
int is0, is1; if (x == CONST1_RTX (GET_MODE (x)))
return 2;
if (setjmp (handler))
return 0;
set_float_handler (handler);
REAL_VALUE_FROM_CONST_DOUBLE (d, x);
is0 = REAL_VALUES_EQUAL (d, dconst0) && !REAL_VALUE_MINUS_ZERO (d);
is1 = REAL_VALUES_EQUAL (d, dconst1);
set_float_handler (NULL_PTR);
if (is0)
return 1;
if (is1)
return 2;
/* Note that on the 80387, other constants, such as pi,
are much slower to load as standard constants
than to load from doubles in memory! */
/* ??? Not true on K6: all constants are equal cost. */
}
#endif
return 0; return 0;
} }
/* Return 1 if X is FP constant we can load to SSE register w/o using memory.
*/
int
standard_sse_constant_p (x)
rtx x;
{
if (GET_CODE (x) != CONST_DOUBLE)
return -1;
return (x == CONST0_RTX (GET_MODE (x)));
}
/* Returns 1 if OP contains a symbol reference */ /* Returns 1 if OP contains a symbol reference */
int int
......
gcc/config/i386/i386.h
...@@ -1136,7 +1136,8 @@ enum reg_class ...@@ -1136,7 +1136,8 @@ enum reg_class
load 0.0 into the function value register. */ load 0.0 into the function value register. */
#define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) \ #define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) \
((C) == 'G' ? standard_80387_constant_p (VALUE) : 0) ((C) == 'G' ? standard_80387_constant_p (VALUE) \
: ((C) == 'H' ? standard_sse_constant_p (VALUE) : 0))
/* Place additional restrictions on the register class to use when it /* Place additional restrictions on the register class to use when it
is necessary to be able to hold a value of mode MODE in a reload is necessary to be able to hold a value of mode MODE in a reload
......
gcc/config/i386/i386.md
...@@ -107,7 +107,7 @@ ...@@ -107,7 +107,7 @@
(const_string "other")) (const_string "other"))
;; Main data type used by the insn ;; Main data type used by the insn
(define_attr "mode" "unknown,none,QI,HI,SI,DI,unknownfp,SF,DF,XF" (define_attr "mode" "unknown,none,QI,HI,SI,DI,unknownfp,SF,DF,XF,TI"
(const_string "unknown")) (const_string "unknown"))
;; Set for i387 operations. ;; Set for i387 operations.
...@@ -2198,8 +2198,8 @@ ...@@ -2198,8 +2198,8 @@
(set (mem:SF (reg:SI 7)) (match_dup 1))]) (set (mem:SF (reg:SI 7)) (match_dup 1))])
(define_insn "*movsf_1" (define_insn "*movsf_1"
[(set (match_operand:SF 0 "nonimmediate_operand" "=f#xr,m,f#xr,r#xf,m,x#rf,m") [(set (match_operand:SF 0 "nonimmediate_operand" "=f#xr,m,f#xr,r#xf,m,x#rf,x#rf,x#rf,m")
(match_operand:SF 1 "general_operand" "fm#rx,f#rx,G,rmF#fx,Fr#fx,xm#rf,x#rf"))] (match_operand:SF 1 "general_operand" "fm#rx,f#rx,G,rmF#fx,Fr#fx,H,x,xm#rf,x#rf"))]
"(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM) "(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
&& (reload_in_progress || reload_completed && (reload_in_progress || reload_completed
|| GET_CODE (operands[1]) != CONST_DOUBLE || GET_CODE (operands[1]) != CONST_DOUBLE
...@@ -2237,36 +2237,22 @@ ...@@ -2237,36 +2237,22 @@
case 4: case 4:
return \"mov{l}\\t{%1, %0|%0, %1}\"; return \"mov{l}\\t{%1, %0|%0, %1}\";
case 5: case 5:
return \"pxor\\t%0, %0\";
case 6: case 6:
if (TARGET_PARTIAL_REG_DEPENDENCY if (TARGET_PARTIAL_REG_DEPENDENCY)
&& register_operand (operands[0], VOIDmode)
&& register_operand (operands[1], VOIDmode))
return \"movaps\\t{%1, %0|%0, %1}\"; return \"movaps\\t{%1, %0|%0, %1}\";
else
return \"movss\\t{%1, %0|%0, %1}\";
case 7:
case 8:
return \"movss\\t{%1, %0|%0, %1}\"; return \"movss\\t{%1, %0|%0, %1}\";
default: default:
abort(); abort();
} }
}" }"
[(set_attr "type" "fmov,fmov,fmov,imov,imov,sse,sse") [(set_attr "type" "fmov,fmov,fmov,imov,imov,sse,sse,sse,sse")
(set_attr "mode" "SF,SF,SF,SI,SI,SF,SF")]) (set_attr "mode" "SF,SF,SF,SI,SI,TI,SF,SF,SF")])
(define_split
[(set (match_operand:SF 0 "nonimmediate_operand" "")
(match_operand:SF 1 "memory_operand" ""))]
"reload_completed
&& GET_CODE (operands[1]) == MEM
&& GET_CODE (XEXP (operands[1], 0)) == SYMBOL_REF
&& CONSTANT_POOL_ADDRESS_P (XEXP (operands[1], 0))
&& !(SSE_REG_P (operands[0])
|| (GET_CODE (operands[0]) == SUBREG && SSE_REG_P (operands[0])))
&& (!(FP_REG_P (operands[0]) ||
(GET_CODE (operands[0]) == SUBREG
&& FP_REG_P (SUBREG_REG (operands[0]))))
|| standard_80387_constant_p (get_pool_constant (XEXP (operands[1], 0))))"
[(set (match_dup 0)
(match_dup 1))]
"operands[1] = get_pool_constant (XEXP (operands[1], 0));")
(define_insn "*swapsf" (define_insn "*swapsf"
[(set (match_operand:SF 0 "register_operand" "+f") [(set (match_operand:SF 0 "register_operand" "+f")
...@@ -2375,8 +2361,8 @@ ...@@ -2375,8 +2361,8 @@
;; when optimizing for size. ;; when optimizing for size.
(define_insn "*movdf_nointeger" (define_insn "*movdf_nointeger"
[(set (match_operand:DF 0 "nonimmediate_operand" "=f#Y,m,f#Y,*r,o,Y#f,m") [(set (match_operand:DF 0 "nonimmediate_operand" "=f#Y,m,f#Y,*r,o,Y#f,Y#f,Y#f,m")
(match_operand:DF 1 "general_operand" "fm#Y,f#Y,G,*roF,F*r,Ym#f,Y#f"))] (match_operand:DF 1 "general_operand" "fm#Y,f#Y,G,*roF,F*r,H,Y#f,YHm#f,Y#f"))]
"(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM) "(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
&& (optimize_size || !TARGET_INTEGER_DFMODE_MOVES) && (optimize_size || !TARGET_INTEGER_DFMODE_MOVES)
&& (reload_in_progress || reload_completed && (reload_in_progress || reload_completed
...@@ -2415,23 +2401,26 @@ ...@@ -2415,23 +2401,26 @@
case 4: case 4:
return \"#\"; return \"#\";
case 5: case 5:
return \"pxor\\t%0, %0\";
case 6: case 6:
if (TARGET_PARTIAL_REG_DEPENDENCY if (TARGET_PARTIAL_REG_DEPENDENCY)
&& register_operand (operands[0], VOIDmode)
&& register_operand (operands[1], VOIDmode))
return \"movapd\\t{%1, %0|%0, %1}\"; return \"movapd\\t{%1, %0|%0, %1}\";
return \"movsd\\t{%1, %0|%0, %1}\"; else
return \"movsd\\t{%1, %0|%0, %1}\";
case 7:
case 8:
return \"movsd\\t{%1, %0|%0, %1}\";
default: default:
abort(); abort();
} }
}" }"
[(set_attr "type" "fmov,fmov,fmov,multi,multi,sse,sse") [(set_attr "type" "fmov,fmov,fmov,multi,multi,sse,sse,sse,sse")
(set_attr "mode" "DF,DF,DF,SI,SI,DF,DF")]) (set_attr "mode" "DF,DF,DF,SI,SI,TI,DF,DF,DF")])
(define_insn "*movdf_integer" (define_insn "*movdf_integer"
[(set (match_operand:DF 0 "nonimmediate_operand" "=f#Yr,m,f#Yr,r#Yf,o,Y#rf,m") [(set (match_operand:DF 0 "nonimmediate_operand" "=f#Yr,m,f#Yr,r#Yf,o,Y#rf,Y#rf,Y#rf,m")
(match_operand:DF 1 "general_operand" "fm#Yr,f#Yr,G,roF#Yf,Fr#Yf,Ym#rf,Y#rf"))] (match_operand:DF 1 "general_operand" "fm#Yr,f#Yr,G,roF#Yf,Fr#Yf,H,Y#rf,Ym#rf,Y#rf"))]
"(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM) "(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
&& !optimize_size && TARGET_INTEGER_DFMODE_MOVES && !optimize_size && TARGET_INTEGER_DFMODE_MOVES
&& (reload_in_progress || reload_completed && (reload_in_progress || reload_completed
...@@ -2471,15 +2460,22 @@ ...@@ -2471,15 +2460,22 @@
return \"#\"; return \"#\";
case 5: case 5:
return \"pxor\\t%0, %0\";
case 6: case 6:
if (TARGET_PARTIAL_REG_DEPENDENCY)
return \"movapd\\t{%1, %0|%0, %1}\";
else
return \"movsd\\t{%1, %0|%0, %1}\";
case 7:
case 8:
return \"movsd\\t{%1, %0|%0, %1}\"; return \"movsd\\t{%1, %0|%0, %1}\";
default: default:
abort(); abort();
} }
}" }"
[(set_attr "type" "fmov,fmov,fmov,multi,multi,sse,sse") [(set_attr "type" "fmov,fmov,fmov,multi,multi,sse,sse,sse,sse")
(set_attr "mode" "DF,DF,DF,SI,SI,DF,DF")]) (set_attr "mode" "DF,DF,DF,SI,SI,TI,DF,DF,DF")])
(define_split (define_split
[(set (match_operand:DF 0 "nonimmediate_operand" "") [(set (match_operand:DF 0 "nonimmediate_operand" "")
...@@ -2496,20 +2492,6 @@ ...@@ -2496,20 +2492,6 @@
(set (match_dup 3) (match_dup 6))] (set (match_dup 3) (match_dup 6))]
"if (ix86_split_long_move (operands)) DONE;") "if (ix86_split_long_move (operands)) DONE;")
(define_split
[(set (match_operand:DF 0 "register_operand" "")
(match_operand:DF 1 "memory_operand" ""))]
"reload_completed
&& GET_CODE (operands[1]) == MEM
&& GET_CODE (XEXP (operands[1], 0)) == SYMBOL_REF
&& CONSTANT_POOL_ADDRESS_P (XEXP (operands[1], 0))
&& !(SSE_REG_P (operands[0])
|| (GET_CODE (operands[0]) == SUBREG && SSE_REG_P (operands[0])))
&& standard_80387_constant_p (get_pool_constant (XEXP (operands[1], 0)))"
[(set (match_dup 0)
(match_dup 1))]
"operands[1] = get_pool_constant (XEXP (operands[1], 0));")
(define_insn "*swapdf" (define_insn "*swapdf"
[(set (match_operand:DF 0 "register_operand" "+f") [(set (match_operand:DF 0 "register_operand" "+f")
(match_operand:DF 1 "register_operand" "+f")) (match_operand:DF 1 "register_operand" "+f"))
...@@ -2895,10 +2877,18 @@ ...@@ -2895,10 +2877,18 @@
(match_operand 1 "memory_operand" ""))] (match_operand 1 "memory_operand" ""))]
"reload_completed "reload_completed
&& GET_CODE (operands[1]) == MEM && GET_CODE (operands[1]) == MEM
&& (GET_MODE (operands[0]) == XFmode || GET_MODE (operands[0]) == TFmode) && (GET_MODE (operands[0]) == XFmode || GET_MODE (operands[0]) == TFmode
|| GET_MODE (operands[0]) == SFmode || GET_MODE (operands[0]) == DFmode)
&& GET_CODE (XEXP (operands[1], 0)) == SYMBOL_REF && GET_CODE (XEXP (operands[1], 0)) == SYMBOL_REF
&& CONSTANT_POOL_ADDRESS_P (XEXP (operands[1], 0)) && CONSTANT_POOL_ADDRESS_P (XEXP (operands[1], 0))
&& standard_80387_constant_p (get_pool_constant (XEXP (operands[1], 0)))" && (!(SSE_REG_P (operands[0]) ||
(GET_CODE (operands[0]) == SUBREG
&& SSE_REG_P (SUBREG_REG (operands[0]))))
|| standard_sse_constant_p (get_pool_constant (XEXP (operands[1], 0))))
&& (!(FP_REG_P (operands[0]) ||
(GET_CODE (operands[0]) == SUBREG
&& FP_REG_P (SUBREG_REG (operands[0]))))
|| standard_80387_constant_p (get_pool_constant (XEXP (operands[1], 0))))"
[(set (match_dup 0) [(set (match_dup 0)
(match_dup 1))] (match_dup 1))]
"operands[1] = get_pool_constant (XEXP (operands[1], 0));") "operands[1] = get_pool_constant (XEXP (operands[1], 0));")
......
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