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re PR target/21099 (ICE on mmx intrinsics)

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PR target/21099
        * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
        simplifying CONST_VECTOR.

From-SVN: r98624
This commit is contained in:
Richard Henderson 2005-04-23 10:14:27 -07:00
parent 670026fb25
commit bd08db74e3
3 changed files with 21 additions and 6 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2005-04-23 Richard Henderson <rth@redhat.com>
PR target/21099
* config/i386/i386.c (ix86_split_to_parts): Use proper mode when
simplifying CONST_VECTOR.
2005-04-23 Kazu Hirata <kazu@cs.umass.edu>
* tree-ssa-live.c (live_worklist): Take a stack allocated on

5
gcc/config/i386/i386.c
View File

@ -10621,7 +10621,10 @@ ix86_split_to_parts (rtx operand, rtx *parts, enum machine_mode mode)
if (GET_CODE (operand) == CONST_VECTOR)
{
enum machine_mode imode = int_mode_for_mode (mode);
operand = simplify_subreg (imode, operand, mode, 0);
/* Caution: if we looked through a constant pool memory above,
the operand may actually have a different mode now. That's
ok, since we want to pun this all the way back to an integer. */
operand = simplify_subreg (imode, operand, GET_MODE (operand), 0);
gcc_assert (operand != NULL);
mode = imode;
}

10
gcc/tree-eh.c
View File

@ -1920,7 +1920,12 @@ tree_could_throw_p (tree t)
bool
tree_can_throw_internal (tree stmt)
{
int region_nr = lookup_stmt_eh_region (stmt);
int region_nr;
if (TREE_CODE (stmt) == RESX_EXPR)
region_nr = TREE_INT_CST_LOW (TREE_OPERAND (stmt, 0));
else
region_nr = lookup_stmt_eh_region (stmt);
if (region_nr < 0)
return false;
return can_throw_internal_1 (region_nr);
@ -1931,7 +1936,8 @@ tree_can_throw_external (tree stmt)
{
int region_nr = lookup_stmt_eh_region (stmt);
if (region_nr < 0)
return false;
return tree_could_throw_p (stmt);
else
return can_throw_external_1 (region_nr);
}