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riscv-gcc-1
Commit fe33bfb3 by Richard Kenner
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(INITIALIZE_TRAMPOLINE): Don't make improper SUBREGs and ensure that 

CXT and FNADDR are in registers.

From-SVN: r4474
parent d6cca343
Showing with 10 additions and 8 deletions
gcc/config/i860/i860.h
/* 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. */
......
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