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| author | Chung-Ju Wu <jasonwucj@gmail.com> | 2014-11-21 05:51:12 +0000 |
|---|---|---|
| committer | Chung-Ju Wu <jasonwucj@gcc.gnu.org> | 2014-11-21 05:51:12 +0000 |
| commit | 344250256199f46aba4be2d35f966cb557d70344 (patch) | |
| tree | 9a69c55ce0e872baff2bd2872726e1c528cbb2e0 /gcc | |
| parent | 47e0e7d28f313ec36e2372dd9e52056581c8014d (diff) | |
| download | gcc-344250256199f46aba4be2d35f966cb557d70344.zip gcc-344250256199f46aba4be2d35f966cb557d70344.tar.gz gcc-344250256199f46aba4be2d35f966cb557d70344.tar.bz2 | |
[NDS32] Look into LO_SUM's operand to determine whether it is a valid address.
gcc/
* config/nds32/nds32.c (nds32_legitimate_address_p): For LO_SUM,
we need to look into its operand to determine whether it is a valid
address.
From-SVN: r217904
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/nds32/nds32.c | 10 |
2 files changed, 14 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 09d1a26..8cfdd62 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2014-11-21 Chung-Ju Wu <jasonwucj@gmail.com> + * config/nds32/nds32.c (nds32_legitimate_address_p): For LO_SUM, + we need to look into its operand to determine if it is a valid + address. + +2014-11-21 Chung-Ju Wu <jasonwucj@gmail.com> + * config/nds32/nds32.c (nds32_emit_stack_push_multiple): Add new vaarg_p argument and create correct CFI info. (nds32_expand_prologue): Pass true or false to diff --git a/gcc/config/nds32/nds32.c b/gcc/config/nds32/nds32.c index 74ea4e6..5a8e24f 100644 --- a/gcc/config/nds32/nds32.c +++ b/gcc/config/nds32/nds32.c @@ -2041,8 +2041,14 @@ nds32_legitimate_address_p (machine_mode mode, rtx x, bool strict) return false; case LO_SUM: - if (!TARGET_GP_DIRECT) - return true; + /* (mem (lo_sum (reg) (symbol_ref))) */ + /* (mem (lo_sum (reg) (const))) */ + gcc_assert (REG_P (XEXP (x, 0))); + if (GET_CODE (XEXP (x, 1)) == SYMBOL_REF + || GET_CODE (XEXP (x, 1)) == CONST) + return nds32_legitimate_address_p (mode, XEXP (x, 1), strict); + else + return false; default: return false; |