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| author | Richard Henderson <rth@redhat.com> | 2005-08-31 18:06:45 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2005-08-31 18:06:45 -0700 |
| commit | 0fd662ee04b37a665ad95d619a7e47185f079183 (patch) | |
| tree | 5a966fde14dee2a816ab071f4c98ff3e3247bf68 /gcc | |
| parent | 1738bfd97d2995e2ec8ebd02efb7749a9b2223be (diff) | |
| download | gcc-0fd662ee04b37a665ad95d619a7e47185f079183.zip gcc-0fd662ee04b37a665ad95d619a7e47185f079183.tar.gz gcc-0fd662ee04b37a665ad95d619a7e47185f079183.tar.bz2 | |
expr.c (expand_expr_real_1): Force subregs into a pseudo before applying gen_lowpart.
* expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
into a pseudo before applying gen_lowpart.
From-SVN: r103712
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/expr.c | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8cf7736..f887654 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-08-31 Richard Henderson <rth@redhat.com> + + * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs + into a pseudo before applying gen_lowpart. + 2005-08-31 Geoffrey Keating <geoffk@apple.com> * doc/install.texi (Specific): Update cctools version required @@ -7544,7 +7544,11 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode, else if (TYPE_MODE (type) != BLKmode && GET_MODE (op0) != BLKmode && GET_MODE_SIZE (TYPE_MODE (type)) == GET_MODE_SIZE (GET_MODE (op0))) - op0 = gen_lowpart (TYPE_MODE (type), op0); + { + if (GET_CODE (op0) == SUBREG) + op0 = force_reg (GET_MODE (op0), op0); + op0 = gen_lowpart (TYPE_MODE (type), op0); + } /* If both modes are integral, then we can convert from one to the other. */ else if (SCALAR_INT_MODE_P (GET_MODE (op0)) |