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| author | J"orn Rennecke <joern.rennecke@superh.com> | 2002-05-09 17:41:56 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2002-05-09 18:41:56 +0100 |
| commit | f78ec36a7132213edd00f50b4686ea23de274c57 (patch) | |
| tree | 38e4aa162996d6b9a0f5e9c78379cc06589c23fb | |
| parent | c87978aa20c2807f8654f16ac3668ea67e9e5a9a (diff) | |
| download | gcc-f78ec36a7132213edd00f50b4686ea23de274c57.zip gcc-f78ec36a7132213edd00f50b4686ea23de274c57.tar.gz gcc-f78ec36a7132213edd00f50b4686ea23de274c57.tar.bz2 | |
sh.c (sh_builtin_saveregs): If starting with an odd fp register...
* 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.
From-SVN: r53337
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/sh/sh.c | 17 |
2 files changed, 23 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b3ad8d7..62002f5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +Thu May 9 18:29:24 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * 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. + 2002-05-09 Neil Booth <neil@daikokuya.demon.co.uk> * tree.h (preserve_data, object_permanent_p, type_precision): diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 5eee362..07bf6cf 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)); |