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| author | Andrew Pinski <apinski@cavium.com> | 2012-10-02 21:03:37 +0000 |
|---|---|---|
| committer | Andrew Pinski <pinskia@gcc.gnu.org> | 2012-10-02 14:03:37 -0700 |
| commit | fa607ddad04aa72a7b811d366680783237b8cafe (patch) | |
| tree | b9f0d6e93903ee4d20168c9841c8cb91e8491689 /gcc/simplify-rtx.c | |
| parent | 0a59e5832e6febfd497966c0b0edfe948f34ff7a (diff) | |
| download | gcc-fa607ddad04aa72a7b811d366680783237b8cafe.zip gcc-fa607ddad04aa72a7b811d366680783237b8cafe.tar.gz gcc-fa607ddad04aa72a7b811d366680783237b8cafe.tar.bz2 | |
simplify-rtx.c (simplify_unary_operation_1 <case TRUNCATE>): Don't optimize a truncate of a mem if it is a vector mode.
2012-10-02 Andrew Pinski <apinski@cavium.com>
* simplify-rtx.c (simplify_unary_operation_1 <case TRUNCATE>):
Don't optimize a truncate of a mem if it is a vector mode.
From-SVN: r192006
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index c3e8a0a..acd4798 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -873,6 +873,7 @@ simplify_unary_operation_1 (enum rtx_code code, enum machine_mode mode, rtx op) /* A truncate of a memory is just loading the low part of the memory if we are not changing the meaning of the address. */ if (GET_CODE (op) == MEM + && !VECTOR_MODE_P (mode) && !MEM_VOLATILE_P (op) && !mode_dependent_address_p (XEXP (op, 0), MEM_ADDR_SPACE (op))) return rtl_hooks.gen_lowpart_no_emit (mode, op); |