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25 lines
783 B
Diff
25 lines
783 B
Diff
Fixes GCC PR36350
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--- a/gcc/regrename.c
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+++ b/gcc/regrename.c
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@@ -783,6 +783,10 @@ build_def_use (basic_block bb)
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recog_data.operand_type[i] = OP_INOUT;
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}
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+ /* Unshare dup_loc RTL */
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+ for (i = 0; i < recog_data.n_dups; i++)
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+ *recog_data.dup_loc[i] = copy_rtx(*recog_data.dup_loc[i]);
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+
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/* Step 1: Close chains for which we have overlapping reads. */
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for (i = 0; i < n_ops; i++)
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scan_rtx (insn, recog_data.operand_loc[i],
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@@ -813,7 +817,7 @@ build_def_use (basic_block bb)
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OP_IN, 0);
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for (i = 0; i < recog_data.n_dups; i++)
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- *recog_data.dup_loc[i] = copy_rtx (old_dups[i]);
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+ *recog_data.dup_loc[i] = old_dups[i];
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for (i = 0; i < n_ops; i++)
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*recog_data.operand_loc[i] = old_operands[i];
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if (recog_data.n_dups)
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