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-rw-r--r--gcc/resource.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/resource.c b/gcc/resource.c
index 846f8ef..08a8055 100644
--- a/gcc/resource.c
+++ b/gcc/resource.c
@@ -945,10 +945,11 @@ mark_target_live_regs (rtx insns, rtx target, struct resources *res)
/* If we found a basic block, get the live registers from it and update
them with anything set or killed between its start and the insn before
- TARGET. Otherwise, we must assume everything is live. */
+ TARGET; this custom life analysis is really about registers so we need
+ to use the LR problem. Otherwise, we must assume everything is live. */
if (b != -1)
{
- regset regs_live = df_get_live_in (BASIC_BLOCK (b));
+ regset regs_live = DF_LR_IN (BASIC_BLOCK (b));
rtx start_insn, stop_insn;
/* Compute hard regs live at start of block. */
@@ -1052,7 +1053,7 @@ mark_target_live_regs (rtx insns, rtx target, struct resources *res)
{
HARD_REG_SET extra_live;
- REG_SET_TO_HARD_REG_SET (extra_live, df_get_live_in (bb));
+ REG_SET_TO_HARD_REG_SET (extra_live, DF_LR_IN (bb));
IOR_HARD_REG_SET (current_live_regs, extra_live);
}
}