# The problem on Alpha at -O3 is that when dd is inlined, we have
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# The problem on Alpha at -O3 is that when dd is inlined, we have
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# division by a constant, which gets converted to multiplication
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# division by a constant, which gets converted to multiplication
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# by a large constant, which gets turned into an induction variable.
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# by a large constant, which gets turned into an induction variable.
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# The problem is that the multiplication was unsigned SImode, and the
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# The problem is that the multiplication was unsigned SImode, and the
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# induction variable is DImode, and we lose the truncation that
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# induction variable is DImode, and we lose the truncation that
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# should have happened.
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# should have happened.
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#
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#
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# On tree-ssa branch, the loop problem is still extant, but the
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# On tree-ssa branch, the loop problem is still extant, but the
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# gimple-level optimization makes it easy for the tree-rtl expanders
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# gimple-level optimization makes it easy for the tree-rtl expanders
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# to see that the comparisons are always true, and so the loop code
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# to see that the comparisons are always true, and so the loop code
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# is never exercized.
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# is never exercized.
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|
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# set torture_eval_before_execute {
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# set torture_eval_before_execute {
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#
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#
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# set compiler_conditional_xfail_data {
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# set compiler_conditional_xfail_data {
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# "division by a constant conflicts with strength reduction" \
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# "division by a constant conflicts with strength reduction" \
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# "alpha*-*-*" \
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# "alpha*-*-*" \
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# { "-O3" } \
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# { "-O3" } \
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# { "" }
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# { "" }
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# }
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# }
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# }
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# }
|
|
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set additional_flags "-fwrapv"
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set additional_flags "-fwrapv"
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return 0
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return 0
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|
|
