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(FUNCTION_ARG): Don't make an EXPR_LIST if making a libcall.

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From-SVN: r1925
This commit is contained in:
Richard Kenner 1992-08-21 07:52:12 -04:00
parent af708691c4
commit 4d6697ca22
1 changed files with 5 additions and 2 deletions
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7
gcc/config/rs6000/rs6000.h
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@ -715,13 +715,16 @@ struct rs6000_args {int words, fregno, nargs_prototype; };
and the rest are pushed. The first 13 FP args are in registers.
If this is floating-point and no prototype is specified, we use
both an FP and integer register (or possibly FP reg and stack). */
both an FP and integer register (or possibly FP reg and stack). Library
functions (when TYPE is zero) always have the proper types for args,
so we can pass the FP value just in one register. emit_library_function
doesn't support EXPR_LIST anyway. */
#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
(! (NAMED) ? 0 \
: ((TYPE) != 0 && TREE_CODE (TYPE_SIZE (TYPE)) != INTEGER_CST) ? 0 \
: USE_FP_FOR_ARG_P (CUM, MODE, TYPE) \
? ((CUM).nargs_prototype > 0 \
? ((CUM).nargs_prototype > 0 || (TYPE) == 0 \
? gen_rtx (REG, MODE, (CUM).fregno) \
: ((CUM).words < 8 \
? gen_rtx (EXPR_LIST, VOIDmode, \