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lib1funcs.asm (modsi): P1/P2 can be call-clobbered even if the calling function doesn't modify them.

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* config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
	even if the calling function doesn't modify them.

From-SVN: r112720
This commit is contained in:
Bernd Schmidt 2006-04-05 22:03:30 +00:00 • committed by Bernd Schmidt
parent e6c300efaa
commit dcef6abaf5
2 changed files with 10 additions and 8 deletions
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3
gcc/ChangeLog
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@ -3,6 +3,9 @@
* config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
got-relative addressing for anything but SImode.
* config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
even if the calling function doesn't modify them.
2006-04-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26919

15
gcc/config/bfin/lib1funcs.asm
View file

@ -64,17 +64,16 @@ ___divsi3:
.type ___modsi3, STT_FUNC;
___modsi3:
[--SP] = RETS;
/* P1 and P2 are preserved by divsi3 and udivsi3. */
P1 = R0;
P2 = R1;
CALL ___divsi3;
R1 = P1;
R2 = P2;
[--SP] = RETS;
[--SP] = R0;
[--SP] = R1;
CALL ___divsi3;
R2 = [SP++];
R1 = [SP++];
R2 *= R0;
R0 = R1 - R2;
RETS = [SP++];
RTS;
RTS;
#endif
#ifdef L_udivsi3