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| author | Bernd Schmidt <bernds@cygnus.co.uk> | 1999-12-14 10:23:02 +0000 |
|---|---|---|
| committer | Bernd Schmidt <crux@gcc.gnu.org> | 1999-12-14 10:23:02 +0000 |
| commit | 3749f4ca8e76d2fbbf8156fc1bc9b4cf6fb28ae3 (patch) | |
| tree | 5b25ce80639736ff67d68ae2e0056baae9571c98 /gcc/combine.c | |
| parent | 956568cd6bd01c0207dafc5277b5fb830f9c5f76 (diff) | |
| download | gcc-3749f4ca8e76d2fbbf8156fc1bc9b4cf6fb28ae3.zip gcc-3749f4ca8e76d2fbbf8156fc1bc9b4cf6fb28ae3.tar.gz gcc-3749f4ca8e76d2fbbf8156fc1bc9b4cf6fb28ae3.tar.bz2 | |
Avoid making shared rtl.
From-SVN: r30910
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 33de1bf..5dc4fc8 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -4190,7 +4190,8 @@ combine_simplify_rtx (x, op0_mode, last, in_dest) gen_binary (MULT, mode, XEXP (XEXP (x, 0), 0), XEXP (x, 1)), gen_binary (MULT, mode, - XEXP (XEXP (x, 0), 1), XEXP (x, 1)))); + XEXP (XEXP (x, 0), 1), + copy_rtx (XEXP (x, 1))))); if (GET_CODE (x) != MULT) return x; @@ -5199,7 +5200,8 @@ simplify_logical (x, last) x = apply_distributive_law (gen_binary (GET_CODE (op0), mode, gen_binary (AND, mode, XEXP (op0, 0), op1), - gen_binary (AND, mode, XEXP (op0, 1), op1))); + gen_binary (AND, mode, XEXP (op0, 1), + copy_rtx (op1)))); if (GET_CODE (x) != AND) return x; } @@ -5208,7 +5210,8 @@ simplify_logical (x, last) return apply_distributive_law (gen_binary (GET_CODE (op1), mode, gen_binary (AND, mode, XEXP (op1, 0), op0), - gen_binary (AND, mode, XEXP (op1, 1), op0))); + gen_binary (AND, mode, XEXP (op1, 1), + copy_rtx (op0)))); /* Similarly, taking advantage of the fact that (and (not A) (xor B C)) == (xor (ior A B) (ior A C)) */ @@ -5217,13 +5220,14 @@ simplify_logical (x, last) return apply_distributive_law (gen_binary (XOR, mode, gen_binary (IOR, mode, XEXP (op0, 0), XEXP (op1, 0)), - gen_binary (IOR, mode, XEXP (op0, 0), XEXP (op1, 1)))); + gen_binary (IOR, mode, copy_rtx (XEXP (op0, 0)), + XEXP (op1, 1)))); else if (GET_CODE (op1) == NOT && GET_CODE (op0) == XOR) return apply_distributive_law (gen_binary (XOR, mode, gen_binary (IOR, mode, XEXP (op1, 0), XEXP (op0, 0)), - gen_binary (IOR, mode, XEXP (op1, 0), XEXP (op0, 1)))); + gen_binary (IOR, mode, copy_rtx (XEXP (op1, 0)), XEXP (op0, 1)))); break; case IOR: @@ -5249,7 +5253,8 @@ simplify_logical (x, last) x = apply_distributive_law (gen_binary (AND, mode, gen_binary (IOR, mode, XEXP (op0, 0), op1), - gen_binary (IOR, mode, XEXP (op0, 1), op1))); + gen_binary (IOR, mode, XEXP (op0, 1), + copy_rtx (op1)))); if (GET_CODE (x) != IOR) return x; @@ -5260,7 +5265,8 @@ simplify_logical (x, last) x = apply_distributive_law (gen_binary (AND, mode, gen_binary (IOR, mode, XEXP (op1, 0), op0), - gen_binary (IOR, mode, XEXP (op1, 1), op0))); + gen_binary (IOR, mode, XEXP (op1, 1), + copy_rtx (op0)))); if (GET_CODE (x) != IOR) return x; |