re PR rtl-optimization/53519 (ice in do_SUBST, at combine.c:707)
PR rtl-optimization/53519 * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR. * gcc.c-torture/compile/pr53519.c: New test. From-SVN: r188001
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2012-05-30 Jakub Jelinek <jakub@redhat.com>
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PR rtl-optimization/53519
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* combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
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instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
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2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
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* config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
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@ -10284,8 +10284,7 @@ simplify_shift_const_1 (enum rtx_code code, enum machine_mode result_mode,
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break;
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/* Make this fit the case below. */
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varop = gen_rtx_XOR (mode, XEXP (varop, 0),
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GEN_INT (GET_MODE_MASK (mode)));
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varop = gen_rtx_XOR (mode, XEXP (varop, 0), constm1_rtx);
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continue;
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case IOR:
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@ -1,3 +1,8 @@
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2012-05-30 Jakub Jelinek <jakub@redhat.com>
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PR rtl-optimization/53519
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* gcc.c-torture/compile/pr53519.c: New test.
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2012-05-30 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
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* gcc.target/arm/neon-vrev.c: New.
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@ -0,0 +1,26 @@
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/* PR rtl-optimization/53519 */
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int a, b, c, d, e;
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short int
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foo (short int x)
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{
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return a == 0 ? x : 0;
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}
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short int
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bar (int x, int y)
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{
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return x + y;
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}
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void
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baz (void)
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{
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if (!e)
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{
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int f = foo (65535 ^ b);
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if (bar (!6L <= ~f, ~e) == c)
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d = 0;
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}
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}
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