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List: gcc-patches
Subject: [3.4-BIB] x86_64 DFmode move tweeks
From: Jan Hubicka <jh () suse ! cz>
Date: 2002-11-30 16:16:30
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Hi,
on 64bit we don't need 2 instructions to move DFmode values around and thus we
don't need to be curefull like we are for 32bit compilation. Installed as
obvious.
Honza
Fri Nov 29 00:31:26 CET 2002 Jan Hubicka <jh@suse.cz>
* i386.md (movdf_integer): Always enable in 64bit.
(movdf_nointeger): Always disable in 64bit.
Index: i386.md
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/i386/i386.md,v
retrieving revision 1.380.4.32
diff -c -3 -p -r1.380.4.32 i386.md
*** i386.md 27 Nov 2002 19:35:35 -0000 1.380.4.32
--- i386.md 28 Nov 2002 23:30:26 -0000
***************
*** 2313,2319 ****
[(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,C,Y#f,YHm#f,Y#f"))]
"(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
! && (optimize_size || !TARGET_INTEGER_DFMODE_MOVES)
&& (reload_in_progress || reload_completed
|| (ix86_cmodel == CM_MEDIUM || ix86_cmodel == CM_LARGE)
|| GET_CODE (operands[1]) != CONST_DOUBLE
--- 2313,2319 ----
[(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,C,Y#f,YHm#f,Y#f"))]
"(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
! && ((optimize_size || !TARGET_INTEGER_DFMODE_MOVES) && !TARGET_64BIT)
&& (reload_in_progress || reload_completed
|| (ix86_cmodel == CM_MEDIUM || ix86_cmodel == CM_LARGE)
|| GET_CODE (operands[1]) != CONST_DOUBLE
***************
*** 2432,2438 ****
[(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,C,Y#rf,Ym#rf,Y#rf"))]
"(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
! && !optimize_size && TARGET_INTEGER_DFMODE_MOVES
&& (reload_in_progress || reload_completed
|| (ix86_cmodel == CM_MEDIUM || ix86_cmodel == CM_LARGE)
|| GET_CODE (operands[1]) != CONST_DOUBLE
--- 2432,2438 ----
[(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,C,Y#rf,Ym#rf,Y#rf"))]
"(GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
! && ((!optimize_size && TARGET_INTEGER_DFMODE_MOVES) || TARGET_64BIT)
&& (reload_in_progress || reload_completed
|| (ix86_cmodel == CM_MEDIUM || ix86_cmodel == CM_LARGE)
|| GET_CODE (operands[1]) != CONST_DOUBLE
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