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avr.c (out_movqi_r_mr, [...]): Use %o instead of %4 in output templates...

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* config/avr/avr.c (out_movqi_r_mr, out_movhi_r_mr, out_movsi_r_mr,
	out_movsi_mr_r, out_movqi_mr_r, out_movhi_mr_r): Use %o instead of
	%4 in output templates, do not modify operands passed by the caller.

From-SVN: r38480
This commit is contained in:
Marek Michalkiewicz 2000-12-23 20:58:17 +01:00 committed by Denis Chertykov
parent dee75dd556
commit 33d5e2dcda
2 changed files with 111 additions and 167 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2000-12-23 Marek Michalkiewicz <marekm@linux.org.pl>
* config/avr/avr.c (out_movqi_r_mr, out_movhi_r_mr, out_movsi_r_mr,
out_movsi_mr_r, out_movqi_mr_r, out_movhi_mr_r): Use %o instead of
%4 in output templates, do not modify operands passed by the caller.
2000-12-23 Joseph S. Myers <jsm28@cam.ac.uk>
* builtins.def (BUILT_IN_LABS, BUILT_IN_LLABS, BUILT_IN_IMAXABS):

272
gcc/config/avr/avr.c
View File

@ -1775,41 +1775,30 @@ out_movqi_r_mr (insn, op, l)
int disp = INTVAL (XEXP (x,1));
if (REGNO (XEXP (x,0)) != REG_Y)
fatal_insn ("Incorrect insn:",insn);
if (disp <= 63 + MAX_LD_OFFSET (GET_MODE (src)))
{
*l = 3;
op[4] = XEXP (x, 1);
return (AS2 (adiw, r28, %4-63) CR_TAB
AS2 (ldd, %0,Y+63) CR_TAB
AS2 (sbiw, r28, %4-63));
}
else
{
*l = 5;
op[4] = XEXP (x,1);
return (AS2 (subi, r28, lo8(-%4)) CR_TAB
AS2 (sbci, r29, hi8(-%4)) CR_TAB
AS2 (ld, %0,Y) CR_TAB
AS2 (subi, r28, lo8(%4)) CR_TAB
AS2 (sbci, r29, hi8(%4)));
}
return *l = 3, (AS2 (adiw,r28,%o1-63) CR_TAB
AS2 (ldd,%0,Y+63) CR_TAB
AS2 (sbiw,r28,%o1-63));
return *l = 5, (AS2 (subi,r28,lo8(-%o1)) CR_TAB
AS2 (sbci,r29,hi8(-%o1)) CR_TAB
AS2 (ld,%0,Y) CR_TAB
AS2 (subi,r28,lo8(%o1)) CR_TAB
AS2 (sbci,r29,hi8(%o1)));
}
else if (REGNO (XEXP (x,0)) == REG_X)
{
op[4] = XEXP (x, 1);
/* This is a paranoid case LEGITIMIZE_RELOAD_ADDRESS must exclude
it but I have this situation with extremal optimizing options. */
if (reg_overlap_mentioned_p (dest, XEXP (x,0))
|| reg_unused_after (insn, XEXP (x,0)))
{
*l = 2;
return (AS2 (adiw,r26,%4) CR_TAB
AS2 (ld,%0,X));
}
*l = 3;
return (AS2 (adiw,r26,%4) CR_TAB
AS2 (ld,%0,X) CR_TAB
AS2 (sbiw,r26,%4));
return *l = 2, (AS2 (adiw,r26,%o1) CR_TAB
AS2 (ld,%0,X));
return *l = 3, (AS2 (adiw,r26,%o1) CR_TAB
AS2 (ld,%0,X) CR_TAB
AS2 (sbiw,r26,%o1));
}
*l = 1;
return AS2 (ldd,%0,%1);
@ -1870,29 +1859,21 @@ out_movhi_r_mr (insn, op, l)
if (disp > MAX_LD_OFFSET (GET_MODE (src)))
{
op[4] = XEXP (base, 1);
if (REGNO (XEXP (base, 0)) != REG_Y)
fatal_insn ("Incorrect insn:",insn);
if (disp <= 63 + MAX_LD_OFFSET (GET_MODE (src)))
{
*l = 4;
return (AS2 (adiw,r28,%4-62) CR_TAB
AS2 (ldd,%A0,Y+62) CR_TAB
AS2 (ldd,%B0,Y+63) CR_TAB
AS2 (sbiw,r28,%4-62));
}
else
{
*l = 6;
return (AS2 (subi,r28,lo8(-%4)) CR_TAB
AS2 (sbci,r29,hi8(-%4)) CR_TAB
AS2 (ld,%A0,Y) CR_TAB
AS2 (ldd,%B0,Y+1) CR_TAB
AS2 (subi,r28,lo8(%4)) CR_TAB
AS2 (sbci,r29,hi8(%4)));
}
return *l = 4, (AS2 (adiw,r28,%o1-62) CR_TAB
AS2 (ldd,%A0,Y+62) CR_TAB
AS2 (ldd,%B0,Y+63) CR_TAB
AS2 (sbiw,r28,%o1-62));
return *l = 6, (AS2 (subi,r28,lo8(-%o1)) CR_TAB
AS2 (sbci,r29,hi8(-%o1)) CR_TAB
AS2 (ld,%A0,Y) CR_TAB
AS2 (ldd,%B0,Y+1) CR_TAB
AS2 (subi,r28,lo8(%o1)) CR_TAB
AS2 (sbci,r29,hi8(%o1)));
}
if (reg_base == REG_X)
{
@ -1900,31 +1881,17 @@ out_movhi_r_mr (insn, op, l)
it but I have this situation with extremal
optimization options. */
op[4] = XEXP (base, 1);
if (reg_base == reg_dest)
{
*l = 4;
return (AS2 (adiw,r26,%4) CR_TAB
AS2 (ld,__tmp_reg__,X+) CR_TAB
AS2 (ld,%B0,X) CR_TAB
AS2 (mov,%A0,__tmp_reg__));
}
if (INTVAL (op[4]) == 63)
{
*l = 5;
return (AS2 (adiw,r26,%4) CR_TAB
AS2 (ld,%A0,X+) CR_TAB
AS2 (ld,%B0,X) CR_TAB
AS2 (subi,r26,%4+1) CR_TAB
AS2 (sbci,r27,0));
}
*l = 4;
return (AS2 (adiw,r26,%4) CR_TAB
AS2 (ld,%A0,X+) CR_TAB
AS2 (ld,%B0,X) CR_TAB
AS2 (sbiw,r26,%4+1));
if (reg_base == reg_dest)
return (AS2 (adiw,r26,%o1) CR_TAB
AS2 (ld,__tmp_reg__,X+) CR_TAB
AS2 (ld,%B0,X) CR_TAB
AS2 (mov,%A0,__tmp_reg__));
return (AS2 (adiw,r26,%o1) CR_TAB
AS2 (ld,%A0,X+) CR_TAB
AS2 (ld,%B0,X) CR_TAB
AS2 (sbiw,r26,%o1+1));
}
if (reg_base == reg_dest)
@ -2050,28 +2017,23 @@ out_movsi_r_mr (insn, op, l)
{
if (REGNO (XEXP (base, 0)) != REG_Y)
fatal_insn ("Incorrect insn:",insn);
if (disp <= 63 + MAX_LD_OFFSET (GET_MODE (src)))
{
op[4] = GEN_INT (disp - 60);
return *l=6,(AS2 (adiw, r28, %4) CR_TAB
AS2 (ldd, %A0,Y+60) CR_TAB
AS2 (ldd, %B0,Y+61) CR_TAB
AS2 (ldd, %C0,Y+62) CR_TAB
AS2 (ldd, %D0,Y+63) CR_TAB
AS2 (sbiw, r28, %4));
}
else
{
op[4] = XEXP (base, 1);
return *l=8,(AS2 (subi, r28, lo8(-%4)) CR_TAB
AS2 (sbci, r29, hi8(-%4)) CR_TAB
AS2 (ld, %A0,Y) CR_TAB
AS2 (ldd, %B0,Y+1) CR_TAB
AS2 (ldd, %C0,Y+2) CR_TAB
AS2 (ldd, %D0,Y+3) CR_TAB
AS2 (subi, r28, lo8(%4)) CR_TAB
AS2 (sbci, r29, hi8(%4)));
}
return *l = 6, (AS2 (adiw,r28,%o1-60) CR_TAB
AS2 (ldd,%A0,Y+60) CR_TAB
AS2 (ldd,%B0,Y+61) CR_TAB
AS2 (ldd,%C0,Y+62) CR_TAB
AS2 (ldd,%D0,Y+63) CR_TAB
AS2 (sbiw,r28,%o1-60));
return *l = 8, (AS2 (subi,r28,lo8(-%o1)) CR_TAB
AS2 (sbci,r29,hi8(-%o1)) CR_TAB
AS2 (ld,%A0,Y) CR_TAB
AS2 (ldd,%B0,Y+1) CR_TAB
AS2 (ldd,%C0,Y+2) CR_TAB
AS2 (ldd,%D0,Y+3) CR_TAB
AS2 (subi,r28,lo8(%o1)) CR_TAB
AS2 (sbci,r29,hi8(%o1)));
}
reg_base = true_regnum (XEXP (base, 0));
@ -2227,28 +2189,23 @@ out_movsi_mr_r (insn, op, l)
{
if (reg_base != REG_Y)
fatal_insn ("Incorrect insn:",insn);
if (disp <= 63 + MAX_LD_OFFSET (GET_MODE (dest)))
{
op[4] = GEN_INT (disp - 60);
return *l=6,(AS2 (adiw, r28, %4) CR_TAB
AS2 (std, Y+60,%A1) CR_TAB
AS2 (std, Y+61,%B1) CR_TAB
AS2 (std, Y+62,%C1) CR_TAB
AS2 (std, Y+63,%D1) CR_TAB
AS2 (sbiw, r28, %4));
}
else
{
op[4] = XEXP (base, 1);
return *l=8,(AS2 (subi, r28, lo8(-%4)) CR_TAB
AS2 (sbci, r29, hi8(-%4)) CR_TAB
AS2 (st, Y,%A1) CR_TAB
AS2 (std, Y+1,%B1) CR_TAB
AS2 (std, Y+2,%C1) CR_TAB
AS2 (std, Y+3,%D1) CR_TAB
AS2 (subi, r28, lo8(%4)) CR_TAB
AS2 (sbci, r29, hi8(%4)));
}
return *l = 6, (AS2 (adiw,r28,%o0-60) CR_TAB
AS2 (std,Y+60,%A1) CR_TAB
AS2 (std,Y+61,%B1) CR_TAB
AS2 (std,Y+62,%C1) CR_TAB
AS2 (std,Y+63,%D1) CR_TAB
AS2 (sbiw,r28,%o0-60));
return *l = 8, (AS2 (subi,r28,lo8(-%o0)) CR_TAB
AS2 (sbci,r29,hi8(-%o0)) CR_TAB
AS2 (st,Y,%A1) CR_TAB
AS2 (std,Y+1,%B1) CR_TAB
AS2 (std,Y+2,%C1) CR_TAB
AS2 (std,Y+3,%D1) CR_TAB
AS2 (subi,r28,lo8(%o0)) CR_TAB
AS2 (sbci,r29,hi8(%o0)));
}
if (reg_base == REG_X)
{
@ -2530,55 +2487,41 @@ out_movqi_mr_r (insn, op, l)
int disp = INTVAL (XEXP (x,1));
if (REGNO (XEXP (x,0)) != REG_Y)
fatal_insn ("Incorrect insn:",insn);
if (disp <= 63 + MAX_LD_OFFSET (GET_MODE (dest)))
{
*l = 3;
op[4] = XEXP (x, 1);
return (AS2 (adiw, r28, %4-63) CR_TAB
AS2 (std, Y+63,%1) CR_TAB
AS2 (sbiw, r28, %4-63));
}
else
{
*l = 5;
op[4] = XEXP (x,1);
return (AS2 (subi, r28, lo8(-%4)) CR_TAB
AS2 (sbci, r29, hi8(-%4)) CR_TAB
AS2 (st, Y,%1) CR_TAB
AS2 (subi, r28, lo8(%4)) CR_TAB
AS2 (sbci, r29, hi8(%4)));
}
return *l = 3, (AS2 (adiw,r28,%o0-63) CR_TAB
AS2 (std,Y+63,%1) CR_TAB
AS2 (sbiw,r28,%o0-63));
return *l = 5, (AS2 (subi,r28,lo8(-%o0)) CR_TAB
AS2 (sbci,r29,hi8(-%o0)) CR_TAB
AS2 (st,Y,%1) CR_TAB
AS2 (subi,r28,lo8(%o0)) CR_TAB
AS2 (sbci,r29,hi8(%o0)));
}
else if (REGNO (XEXP (x,0)) == REG_X)
{
op[4] = XEXP (x,1);
if (reg_overlap_mentioned_p (src, XEXP (x, 0)))
{
if (reg_unused_after (insn, XEXP (x,0)))
{
*l = 3;
return (AS2 (mov,__tmp_reg__,%1) CR_TAB
AS2 (adiw,r26,%4) CR_TAB
AS2 (st,X,__tmp_reg__));
}
*l = 4;
return (AS2 (mov,__tmp_reg__,%1) CR_TAB
AS2 (adiw,r26,%4) CR_TAB
AS2 (st,X,__tmp_reg__) CR_TAB
AS2 (sbiw,r26,%4));
return *l = 3, (AS2 (mov,__tmp_reg__,%1) CR_TAB
AS2 (adiw,r26,%o0) CR_TAB
AS2 (st,X,__tmp_reg__));
return *l = 4, (AS2 (mov,__tmp_reg__,%1) CR_TAB
AS2 (adiw,r26,%o0) CR_TAB
AS2 (st,X,__tmp_reg__) CR_TAB
AS2 (sbiw,r26,%o0));
}
else
{
if (reg_unused_after (insn, XEXP (x,0)))
{
*l = 2;
return (AS2 (adiw,r26,%4) CR_TAB
AS2 (st,X,%1));
}
*l = 3;
return (AS2 (adiw,r26,%4) CR_TAB
AS2 (st,X,%1) CR_TAB
AS2 (sbiw,r26,%4));
return *l = 2, (AS2 (adiw,r26,%o0) CR_TAB
AS2 (st,X,%1));
return *l = 3, (AS2 (adiw,r26,%o0) CR_TAB
AS2 (st,X,%1) CR_TAB
AS2 (sbiw,r26,%o0));
}
}
*l = 1;
@ -2655,24 +2598,19 @@ out_movhi_mr_r (insn, op, l)
{
if (reg_base != REG_Y)
fatal_insn ("Incorrect insn:",insn);
if (disp <= 63 + MAX_LD_OFFSET (GET_MODE (dest)))
{
op[4] = GEN_INT (disp - 62);
return *l=4,(AS2 (adiw, r28, %4) CR_TAB
AS2 (std, Y+62,%A1) CR_TAB
AS2 (std, Y+63,%B1) CR_TAB
AS2 (sbiw, r28, %4));
}
else
{
op[4] = XEXP (base, 1);
return *l=6,(AS2 (subi, r28, lo8(-%4)) CR_TAB
AS2 (sbci, r29, hi8(-%4)) CR_TAB
AS2 (st, Y,%A1) CR_TAB
AS2 (std, Y+1,%B1) CR_TAB
AS2 (subi, r28, lo8(%4)) CR_TAB
AS2 (sbci, r29, hi8(%4)));
}
return *l = 4, (AS2 (adiw,r28,%o0-62) CR_TAB
AS2 (std,Y+62,%A1) CR_TAB
AS2 (std,Y+63,%B1) CR_TAB
AS2 (sbiw,r28,%o0-62));
return *l = 6, (AS2 (subi,r28,lo8(-%o0)) CR_TAB
AS2 (sbci,r29,hi8(-%o0)) CR_TAB
AS2 (st,Y,%A1) CR_TAB
AS2 (std,Y+1,%B1) CR_TAB
AS2 (subi,r28,lo8(%o0)) CR_TAB
AS2 (sbci,r29,hi8(%o0)));
}
if (reg_base == REG_X)
{