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Merge FreeBSD modifications into gcc 3.2.1-prerelease:

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1.2 do not create paradoxical FLOAT_MODE subregs

I am not sure if this is still required.

Approved by:	obrien
This commit is contained in:
Alexander Kabaev 2002-09-01 21:01:12 +00:00
parent accb351070
commit e243da3452
1 changed files with 10 additions and 1 deletions
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11
contrib/gcc/emit-rtl.c
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@ -357,6 +357,14 @@ gen_rtx_CONST_INT (mode, arg)
return (rtx) *slot;
}
rtx
gen_int_mode (c, mode)
HOST_WIDE_INT c;
enum machine_mode mode;
{
return GEN_INT (trunc_int_for_mode (c, mode));
}
/* CONST_DOUBLEs needs special handling because their length is known
only at run-time. */
@ -2168,6 +2176,7 @@ widen_memory_access (memref, mode, offset)
/* Similarly for the decl. */
else if (DECL_P (expr)
&& DECL_SIZE_UNIT (expr)
&& TREE_CODE (DECL_SIZE_UNIT (expr)) == INTEGER_CST
&& compare_tree_int (DECL_SIZE_UNIT (expr), size) >= 0
&& (! memoffset || INTVAL (memoffset) >= 0))
break;
@ -5030,7 +5039,7 @@ init_emit_once (line_numbers)
tries to use these variables. */
for (i = - MAX_SAVED_CONST_INT; i <= MAX_SAVED_CONST_INT; i++)
const_int_rtx[i + MAX_SAVED_CONST_INT] =
gen_rtx_raw_CONST_INT (VOIDmode, i);
gen_rtx_raw_CONST_INT (VOIDmode, (HOST_WIDE_INT) i);
ggc_add_rtx_root (const_int_rtx, 2 * MAX_SAVED_CONST_INT + 1);
if (STORE_FLAG_VALUE >= - MAX_SAVED_CONST_INT