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| author | Jim Wilson <wilson@gcc.gnu.org> | 1992-09-24 22:49:59 -0700 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 1992-09-24 22:49:59 -0700 |
| commit | 1f9844c451fc517d31a044ffef6f8d07795c9b0d (patch) | |
| tree | 634e9d89047262797c0c2e770979f2e80317dbbc | |
| parent | 8d02144cd854ffbc8695d94d1a73a49a41546fd7 (diff) | |
| download | gcc-1f9844c451fc517d31a044ffef6f8d07795c9b0d.zip gcc-1f9844c451fc517d31a044ffef6f8d07795c9b0d.tar.gz gcc-1f9844c451fc517d31a044ffef6f8d07795c9b0d.tar.bz2 | |
(nonlocal_goto): Force operands[0] to be a register.
From-SVN: r2243
| -rw-r--r-- | gcc/config/sparc/sparc.md | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/config/sparc/sparc.md b/gcc/config/sparc/sparc.md index db76d57..034d6ea 100644 --- a/gcc/config/sparc/sparc.md +++ b/gcc/config/sparc/sparc.md @@ -2632,12 +2632,16 @@ "" " { - rtx temp; /* Trap instruction to flush all the registers window. */ emit_insn (gen_rtx (UNSPEC_VOLATILE, VOIDmode, gen_rtvec (1, const0_rtx), 0)); /* Load the fp value for the containing fn into %fp. - This is needed because operands[2] refers to %fp. */ + This is needed because operands[2] refers to %fp. + Virtual register instantiation fails if the virtual %fp isn't set from a + register. Thus we must copy operands[0] into a register if it isn't + already one. */ + if (GET_CODE (operands[0]) != REG) + operands[0] = force_reg (SImode, operands[0]); emit_move_insn (virtual_stack_vars_rtx, operands[0]); /* Find the containing function's current nonlocal goto handler, which will do any cleanups and then jump to the label. */ |