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(nonlocal_goto): Force operands[0] to be a register.

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From-SVN: r2243
This commit is contained in:
Jim Wilson 1992-09-24 22:49:59 -07:00
parent 8d02144cd8
commit 1f9844c451
1 changed files with 6 additions and 2 deletions
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8
gcc/config/sparc/sparc.md
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@ -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. */