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| author | Steve Ellcey <sje@cup.hp.com> | 2009-11-30 22:06:19 +0000 |
|---|---|---|
| committer | Steve Ellcey <sje@gcc.gnu.org> | 2009-11-30 22:06:19 +0000 |
| commit | f7ce0951b70d925d2c10e8927afdf74fea2669f1 (patch) | |
| tree | fb16f209e57818115437c91ffbfdfdfbcbf18c3d /gcc/function.c | |
| parent | d64728cf05af8eeb2c26c9cc97f8cbb774b39093 (diff) | |
| download | gcc-f7ce0951b70d925d2c10e8927afdf74fea2669f1.zip gcc-f7ce0951b70d925d2c10e8927afdf74fea2669f1.tar.gz gcc-f7ce0951b70d925d2c10e8927afdf74fea2669f1.tar.bz2 | |
function.c (instantiate_virtual_regs_in_insn): Copy to new reg before forcing mode.
2009-11-30 Steve Ellcey <sje@cup.hp.com>
Jakub Jelinek <jakub@redhat.com>
* function.c (instantiate_virtual_regs_in_insn): Copy to new reg
before forcing mode.
Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r154843
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/function.c b/gcc/function.c index 88e036c..b8042d0 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -1598,7 +1598,13 @@ instantiate_virtual_regs_in_insn (rtx insn) if (!safe_insn_predicate (insn_code, i, x)) { start_sequence (); - x = force_reg (insn_data[insn_code].operand[i].mode, x); + if (REG_P (x)) + { + gcc_assert (REGNO (x) <= LAST_VIRTUAL_REGISTER); + x = copy_to_reg (x); + } + else + x = force_reg (insn_data[insn_code].operand[i].mode, x); seq = get_insns (); end_sequence (); if (seq) |