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| author | J"orn Rennecke <joern.rennecke@st.com> | 2005-12-14 16:36:29 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2005-12-14 16:36:29 +0000 |
| commit | df06cddf763e48a395756c0f027ef06022217b21 (patch) | |
| tree | 049ecef8f563105d7185c77a7f2814e0f2e89180 | |
| parent | 622f91baa80861cf721cc364652b7ce47707a6e7 (diff) | |
| download | gcc-df06cddf763e48a395756c0f027ef06022217b21.zip gcc-df06cddf763e48a395756c0f027ef06022217b21.tar.gz gcc-df06cddf763e48a395756c0f027ef06022217b21.tar.bz2 | |
struct-equiv.c (note_local_live): Handle hard regs with different hard_regno_nregs.
* struct-equiv.c (note_local_live): Handle hard regs with different
hard_regno_nregs.
From-SVN: r108520
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/struct-equiv.c | 9 |
2 files changed, 13 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1051c70..62be162 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-12-14 J"orn Rennecke <joern.rennecke@st.com> + + * struct-equiv.c (note_local_live): Handle hard regs with different + hard_regno_nregs. + 2005-12-14 Jeff Law <law@redhat.com> * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer diff --git a/gcc/struct-equiv.c b/gcc/struct-equiv.c index fc563b6..0bee722 100644 --- a/gcc/struct-equiv.c +++ b/gcc/struct-equiv.c @@ -309,10 +309,17 @@ struct_equiv_restore_checkpoint (struct struct_equiv_checkpoint *p, static int note_local_live (struct equiv_info *info, rtx x, rtx y, int rvalue) { + unsigned x_regno = REGNO (x); + unsigned y_regno = REGNO (y); + int x_nominal_nregs = (x_regno >= FIRST_PSEUDO_REGISTER + ? 1 : hard_regno_nregs[x_regno][GET_MODE (x)]); + int y_nominal_nregs = (y_regno >= FIRST_PSEUDO_REGISTER + ? 1 : hard_regno_nregs[y_regno][GET_MODE (y)]); int x_change = assign_reg_reg_set (info->x_local_live, x, rvalue); int y_change = assign_reg_reg_set (info->y_local_live, y, rvalue); - gcc_assert (x_change == y_change); + gcc_assert (x_nominal_nregs && y_nominal_nregs); + gcc_assert (x_change * y_nominal_nregs == y_change * x_nominal_nregs); if (y_change) { if (reload_completed) |