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(copy_rtx_and_substitute)[ARGS_GROW_DOWNWARD]: Map

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virtual args pointer to the top of the argument block.

From-SVN: r2698
This commit is contained in:
Richard Stallman 1992-11-06 08:22:05 +00:00
parent dad112cafd
commit 931553d837
1 changed files with 6 additions and 0 deletions
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6
gcc/integrate.c
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@ -1906,6 +1906,12 @@ copy_rtx_and_substitute (orig, map)
start_sequence ();
loc = assign_stack_temp (BLKmode, size, 1);
loc = XEXP (loc, 0);
/* When arguments grow downward, the virtual incoming
args pointer points to the top of the argument block,
so the remapped location better do the same. */
#ifdef ARGS_GROW_DOWNWARD
loc = plus_constant (loc, size);
#endif
map->reg_map[regno] = temp
= force_reg (Pmode, force_operand (loc, NULL_RTX));
map->const_equiv_map[REGNO (temp)] = loc;