diff options
| author | Eric Botcazou <ebotcazou@adacore.com> | 2009-07-15 21:32:46 +0000 |
|---|---|---|
| committer | Kaz Kojima <kkojima@gcc.gnu.org> | 2009-07-15 21:32:46 +0000 |
| commit | 57d94c719a68011922122a0006cb82d831ee8e12 (patch) | |
| tree | 615c8cb293dd97ec80c72f0daee67957a04e27f1 | |
| parent | b15cc9767d2cb3d9480385618b547d7cf6466aa7 (diff) | |
PR rtl-optimization/40710
* resource.c (mark_target_live_regs): Reset DF problem to LR.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@149696 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/resource.c | 7 |
2 files changed, 9 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c600bcb6c20..cc42a5476d8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2009-07-15 Eric Botcazou <ebotcazou@adacore.com> + + PR rtl-optimization/40710 + * resource.c (mark_target_live_regs): Reset DF problem to LR. + 2009-07-15 Adam Nemet <anemet@caviumnetworks.com> * config/mips/mips.md (*extenddi_truncate<mode>, diff --git a/gcc/resource.c b/gcc/resource.c index 846f8ef2b41..08a805519cd 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); } } |