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author | amylaar <amylaar@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-05-09 17:41:56 +0000 |
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committer | amylaar <amylaar@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-05-09 17:41:56 +0000 |
commit | 65f753eb00c183268a2c27c17e448680b6d1399e (patch) | |
tree | 38e4aa162996d6b9a0f5e9c78379cc06589c23fb /gcc/config | |
parent | 311e42bc025027960c12f400ca349ec5e4aa52d2 (diff) | |
download | gcc-65f753eb00c183268a2c27c17e448680b6d1399e.tar.gz |
* sh.c (sh_builtin_saveregs): If starting with an odd fp register,
make sure that buffer starts on odd word address.
(sh_va_arg): Skip odd fp registers when reading a double precision
value.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53337 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config')
-rw-r--r-- | gcc/config/sh/sh.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 5eee362610b..07bf6cf3fa6 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -5090,6 +5090,15 @@ sh_builtin_saveregs () if (TARGET_SHMEDIA) regbuf = gen_rtx_MEM (BLKmode, gen_rtx_REG (Pmode, ARG_POINTER_REGNUM)); + else if (n_floatregs & 1) + { + rtx addr; + + regbuf = assign_stack_local (BLKmode, bufsize + UNITS_PER_WORD, 0); + addr = copy_to_mode_reg (Pmode, XEXP (regbuf, 0)); + emit_insn (gen_iorsi3 (addr, addr, GEN_INT (UNITS_PER_WORD))); + regbuf = change_address (regbuf, BLKmode, addr); + } else regbuf = assign_stack_local (BLKmode, bufsize, 0); alias_set = get_varargs_alias_set (); @@ -5353,13 +5362,19 @@ sh_va_arg (valist, type) if (pass_as_float) { + int first_floatreg + = current_function_args_info.arg_count[(int) SH_ARG_FLOAT]; + int n_floatregs = MAX (0, NPARM_REGS (SFmode) - first_floatreg); + emit_cmp_and_jump_insns (expand_expr (next_fp, NULL_RTX, Pmode, EXPAND_NORMAL), expand_expr (next_fp_limit, NULL_RTX, Pmode, EXPAND_NORMAL), GE, const1_rtx, Pmode, 1, lab_false); - if (TYPE_ALIGN (type) > BITS_PER_WORD) + if (TYPE_ALIGN (type) > BITS_PER_WORD + || (((TREE_CODE (type) == REAL_TYPE && size == 8) || size == 16) + && (n_floatregs & 1))) { tmp = build (BIT_AND_EXPR, ptr_type_node, next_fp, build_int_2 (UNITS_PER_WORD, 0)); |