diff options
Diffstat (limited to 'gcc/reg-stack.c')
| -rw-r--r-- | gcc/reg-stack.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index 6c204467..e31338a 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -906,6 +906,23 @@ emit_pop_insn (insn, regstack, reg, where) rtx pop_insn, pop_rtx; int hard_regno; + /* For complex types take care to pop both halves. These may survive in + CLOBBER and USE expressions. */ + if (COMPLEX_MODE_P (GET_MODE (reg))) + { + rtx reg1 = FP_MODE_REG (REGNO (reg), DFmode); + rtx reg2 = FP_MODE_REG (REGNO (reg) + 1, DFmode); + + pop_insn = NULL_RTX; + if (get_hard_regnum (regstack, reg1) >= 0) + pop_insn = emit_pop_insn (insn, regstack, reg1, where); + if (get_hard_regnum (regstack, reg2) >= 0) + pop_insn = emit_pop_insn (insn, regstack, reg2, where); + if (!pop_insn) + abort (); + return pop_insn; + } + hard_regno = get_hard_regnum (regstack, reg); if (hard_regno < FIRST_STACK_REG) @@ -1129,9 +1146,12 @@ move_for_stack_reg (insn, regstack, pat) stack is not full, and then write the value to memory via a pop. */ rtx push_rtx, push_insn; - rtx top_stack_reg = FP_MODE_REG (FIRST_STACK_REG, XFmode); + rtx top_stack_reg = FP_MODE_REG (FIRST_STACK_REG, GET_MODE (src)); - push_rtx = gen_movxf (top_stack_reg, top_stack_reg); + if (GET_MODE (src) == TFmode) + push_rtx = gen_movtf (top_stack_reg, top_stack_reg); + else + push_rtx = gen_movxf (top_stack_reg, top_stack_reg); push_insn = emit_insn_before (push_rtx, insn); REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_DEAD, top_stack_reg, REG_NOTES (insn)); @@ -1447,6 +1467,15 @@ subst_stack_regs_pat (insn, regstack, pat) PATTERN (insn) = pat; move_for_stack_reg (insn, regstack, pat); } + if (! note && COMPLEX_MODE_P (GET_MODE (*dest)) + && get_hard_regnum (regstack, FP_MODE_REG (REGNO (*dest), DFmode)) == -1) + { + pat = gen_rtx_SET (VOIDmode, + FP_MODE_REG (REGNO (*dest) + 1, SFmode), + nan); + PATTERN (insn) = pat; + move_for_stack_reg (insn, regstack, pat); + } } } break; |