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| author | Kenneth Zadeck <zadeck@naturalbridge.com> | 2014-05-06 16:25:05 +0000 |
|---|---|---|
| committer | Mike Stump <mrs@gcc.gnu.org> | 2014-05-06 16:25:05 +0000 |
| commit | 807e902eea17f3132488c256c963823976b2348c (patch) | |
| tree | e5e1af94eb1502ba893bd6ce4a11f68877ff62a9 /gcc/rtlanal.c | |
| parent | 6122336c832dc4dfedc49279549caddce86306ff (diff) | |
| download | gcc-807e902eea17f3132488c256c963823976b2348c.zip gcc-807e902eea17f3132488c256c963823976b2348c.tar.gz gcc-807e902eea17f3132488c256c963823976b2348c.tar.bz2 | |
Merge in wide-int.
From-SVN: r210113
Diffstat (limited to 'gcc/rtlanal.c')
| -rw-r--r-- | gcc/rtlanal.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index f3471b1..82cfc1bf 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -3173,6 +3173,8 @@ commutative_operand_precedence (rtx op) /* Constants always come the second operand. Prefer "nice" constants. */ if (code == CONST_INT) return -8; + if (code == CONST_WIDE_INT) + return -8; if (code == CONST_DOUBLE) return -7; if (code == CONST_FIXED) @@ -3185,6 +3187,8 @@ commutative_operand_precedence (rtx op) case RTX_CONST_OBJ: if (code == CONST_INT) return -6; + if (code == CONST_WIDE_INT) + return -6; if (code == CONST_DOUBLE) return -5; if (code == CONST_FIXED) @@ -5382,7 +5386,10 @@ get_address_mode (rtx mem) /* Split up a CONST_DOUBLE or integer constant rtx into two rtx's for single words, storing in *FIRST the word that comes first in memory in the target - and in *SECOND the other. */ + and in *SECOND the other. + + TODO: This function needs to be rewritten to work on any size + integer. */ void split_double (rtx value, rtx *first, rtx *second) @@ -5459,6 +5466,22 @@ split_double (rtx value, rtx *first, rtx *second) } } } + else if (GET_CODE (value) == CONST_WIDE_INT) + { + /* All of this is scary code and needs to be converted to + properly work with any size integer. */ + gcc_assert (CONST_WIDE_INT_NUNITS (value) == 2); + if (WORDS_BIG_ENDIAN) + { + *first = GEN_INT (CONST_WIDE_INT_ELT (value, 1)); + *second = GEN_INT (CONST_WIDE_INT_ELT (value, 0)); + } + else + { + *first = GEN_INT (CONST_WIDE_INT_ELT (value, 0)); + *second = GEN_INT (CONST_WIDE_INT_ELT (value, 1)); + } + } else if (!CONST_DOUBLE_P (value)) { if (WORDS_BIG_ENDIAN) |