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| author | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-02-13 23:19:49 +0000 |
|---|---|---|
| committer | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-02-13 23:19:49 +0000 |
| commit | 5df640f646860cf0e8bd0dcf7a7b3eb4f7576fd3 (patch) | |
| tree | c40e57f8c09dbac796305b735c941b4008537d44 /gcc/loop-invariant.c | |
| parent | 7f56e70db0fc5fa84135a3ca438c6599c4e07a3f (diff) | |
| download | gcc-5df640f646860cf0e8bd0dcf7a7b3eb4f7576fd3.tar.gz | |
PR rtl-optimization/26235
* loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
(invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
format.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110939 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/loop-invariant.c')
| -rw-r--r-- | gcc/loop-invariant.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/loop-invariant.c b/gcc/loop-invariant.c index ce827807954..a57857d3831 100644 --- a/gcc/loop-invariant.c +++ b/gcc/loop-invariant.c @@ -292,6 +292,8 @@ hash_invariant_expr_1 (rtx insn, rtx x) for (j = 0; j < XVECLEN (x, i); j++) val ^= hash_invariant_expr_1 (insn, XVECEXP (x, i, j)); } + else if (fmt[i] == 'i' || fmt[i] == 'n') + val ^= XINT (x, i); } return val; @@ -373,6 +375,14 @@ invariant_expr_equal_p (rtx insn1, rtx e1, rtx insn2, rtx e2) return false; } } + else if (fmt[i] == 'i' || fmt[i] == 'n') + { + if (XINT (e1, i) != XINT (e2, i)) + return false; + } + /* Unhandled type of subexpression, we fail conservatively. */ + else + return false; } return true; |