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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/var-tracking.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/var-tracking.c')
| -rw-r--r-- | gcc/var-tracking.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/var-tracking.c b/gcc/var-tracking.c index d55b44a..f36a1e9 100644 --- a/gcc/var-tracking.c +++ b/gcc/var-tracking.c @@ -3555,6 +3555,23 @@ loc_cmp (rtx x, rtx y) default: gcc_unreachable (); } + if (CONST_WIDE_INT_P (x)) + { + /* Compare the vector length first. */ + if (CONST_WIDE_INT_NUNITS (x) >= CONST_WIDE_INT_NUNITS (y)) + return 1; + else if (CONST_WIDE_INT_NUNITS (x) < CONST_WIDE_INT_NUNITS (y)) + return -1; + + /* Compare the vectors elements. */; + for (j = CONST_WIDE_INT_NUNITS (x) - 1; j >= 0 ; j--) + { + if (CONST_WIDE_INT_ELT (x, j) < CONST_WIDE_INT_ELT (y, j)) + return -1; + if (CONST_WIDE_INT_ELT (x, j) > CONST_WIDE_INT_ELT (y, j)) + return 1; + } + } return 0; } |