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(INITIALIZE_TRAMPOLINE): Don't make improper SUBREGs and ensure that

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CXT and FNADDR are in registers.

From-SVN: r4474
This commit is contained in:
Richard Kenner 1993-05-15 12:16:47 -04:00
parent d6cca343c5
commit fe33bfb3e0
1 changed files with 10 additions and 8 deletions
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18
gcc/config/i860/i860.h
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@ -1,5 +1,5 @@
/* Definitions of target machine for GNU compiler, for Intel 860.
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
Copyright (C) 1989, 1991, 1993 Free Software Foundation, Inc.
Written by Richard Stallman (rms@ai.mit.edu).
@ -639,18 +639,20 @@ struct cumulative_args { int ints, floats; };
#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
{ \
rtx low_cxt = expand_shift (RSHIFT_EXPR, SImode, CXT, \
size_int (16), 0, 0); \
rtx low_fn = expand_shift (RSHIFT_EXPR, SImode, FNADDR, \
rtx cxt = force_reg (Pmode, CXT); \
rtx fn = force_reg (Pmode, FNADDR); \
rtx hi_cxt = expand_shift (RSHIFT_EXPR, SImode, cxt, \
size_int (16), 0, 0); \
rtx hi_fn = expand_shift (RSHIFT_EXPR, SImode, fn, \
size_int (16), 0, 0); \
emit_move_insn (gen_rtx (MEM, HImode, plus_constant (TRAMP, 16)), \
gen_rtx (SUBREG, HImode, CXT)); \
gen_lowpart (HImode, cxt)); \
emit_move_insn (gen_rtx (MEM, HImode, plus_constant (TRAMP, 4)), \
gen_rtx (SUBREG, HImode, FNADDR)); \
gen_lowpart (HImode, fn)); \
emit_move_insn (gen_rtx (MEM, HImode, plus_constant (TRAMP, 8)), \
gen_rtx (SUBREG, HImode, low_cxt)); \
gen_lowpart (HImode, hi_cxt)); \
emit_move_insn (gen_rtx (MEM, HImode, plus_constant (TRAMP, 0)), \
gen_rtx (SUBREG, HImode, low_fn)); \
gen_lowpart (HImode, hi_fn)); \
}
/* Addressing modes, and classification of registers for them. */