71 lines
2.3 KiB
Diff
71 lines
2.3 KiB
Diff
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This backport contains 1 patch from gcc main stream tree.
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The commit id of these patchs list as following in the order of time.
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0001-tree-ssa-sccvn.c-copy_reference_ops_from_ref-Adjust-.patch
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2f215d2176608467aeee73b245beedfc60836b71
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diff -Nurp gcc-9.3.0_org/gcc/tree-ssa-sccvn.c gcc-9.3.0/gcc/tree-ssa-sccvn.c
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--- gcc-9.3.0_org/gcc/tree-ssa-sccvn.c 2020-08-18 15:31:39.308000000 +0800
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+++ gcc-9.3.0/gcc/tree-ssa-sccvn.c 2020-08-18 15:32:03.456000000 +0800
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@@ -797,39 +797,6 @@ vn_reference_eq (const_vn_reference_t co
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static void
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copy_reference_ops_from_ref (tree ref, vec<vn_reference_op_s> *result)
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{
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- if (TREE_CODE (ref) == TARGET_MEM_REF)
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- {
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- vn_reference_op_s temp;
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-
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- result->reserve (3);
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-
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- memset (&temp, 0, sizeof (temp));
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- temp.type = TREE_TYPE (ref);
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- temp.opcode = TREE_CODE (ref);
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- temp.op0 = TMR_INDEX (ref);
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- temp.op1 = TMR_STEP (ref);
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- temp.op2 = TMR_OFFSET (ref);
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- temp.off = -1;
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- temp.clique = MR_DEPENDENCE_CLIQUE (ref);
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- temp.base = MR_DEPENDENCE_BASE (ref);
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- result->quick_push (temp);
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-
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- memset (&temp, 0, sizeof (temp));
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- temp.type = NULL_TREE;
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- temp.opcode = ERROR_MARK;
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- temp.op0 = TMR_INDEX2 (ref);
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- temp.off = -1;
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- result->quick_push (temp);
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-
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- memset (&temp, 0, sizeof (temp));
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- temp.type = NULL_TREE;
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- temp.opcode = TREE_CODE (TMR_BASE (ref));
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- temp.op0 = TMR_BASE (ref);
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- temp.off = -1;
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- result->quick_push (temp);
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- return;
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- }
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-
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/* For non-calls, store the information that makes up the address. */
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tree orig = ref;
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while (ref)
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@@ -859,6 +826,20 @@ copy_reference_ops_from_ref (tree ref, v
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temp.base = MR_DEPENDENCE_BASE (ref);
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temp.reverse = REF_REVERSE_STORAGE_ORDER (ref);
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break;
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+ case TARGET_MEM_REF:
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+ /* The base address gets its own vn_reference_op_s structure. */
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+ temp.op0 = TMR_INDEX (ref);
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+ temp.op1 = TMR_STEP (ref);
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+ temp.op2 = TMR_OFFSET (ref);
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+ temp.clique = MR_DEPENDENCE_CLIQUE (ref);
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+ temp.base = MR_DEPENDENCE_BASE (ref);
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+ result->safe_push (temp);
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+ memset (&temp, 0, sizeof (temp));
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+ temp.type = NULL_TREE;
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+ temp.opcode = ERROR_MARK;
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+ temp.op0 = TMR_INDEX2 (ref);
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+ temp.off = -1;
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+ break;
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case BIT_FIELD_REF:
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/* Record bits, position and storage order. */
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temp.op0 = TREE_OPERAND (ref, 1);
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