OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

(find_dummy_reload): Restore original RTX instead of passed IN rtx. 

From-SVN: r1928
This commit is contained in:
Richard Stallman 1992-08-21 17:40:27 +00:00
parent 144499abeb
commit d3b9996a98
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
gcc/reload.c
View File

@ -1382,6 +1382,7 @@ find_dummy_reload (real_in, real_out, inloc, outloc, class, for_real)
{
register int regno = REGNO (out) + out_offset;
int nwords = HARD_REGNO_NREGS (regno, GET_MODE (real_out));
rtx saved_rtx;
/* When we consider whether the insn uses OUT,
ignore references within IN. They don't prevent us
@ -1392,6 +1393,7 @@ find_dummy_reload (real_in, real_out, inloc, outloc, class, for_real)
If the insn uses IN elsewhere and it contains OUT,
that counts. We can't be sure it's the "same" operand
so it might not go through this reload. */
saved_rtx = *inloc;
*inloc = const0_rtx;
if (regno < FIRST_PSEUDO_REGISTER
@ -1418,7 +1420,7 @@ find_dummy_reload (real_in, real_out, inloc, outloc, class, for_real)
}
}
*inloc = real_in;
*inloc = saved_rtx;
}
/* Consider using IN if OUT was not acceptable