Macintosh-Tools/Retro68
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make functions return pointers in D0 on 68K. See issue #35. *RECOMPILE STRONGLY RECOMMENDED*

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This is compatible with MPW and incompatible with Codewarrior.
This commit is contained in:
Wolfgang Thaller 2017-10-15 14:24:25 +02:00
parent d7e89e2fd5
commit c47772e62f
1 changed files with 4 additions and 0 deletions
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4
gcc/gcc/config/m68k/m68k.c
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@ -5491,6 +5491,9 @@ m68k_function_value (const_tree valtype, const_tree func_decl_or_type, bool outg
break; break;
} }
#if 1 /* POINTERS_IN_D0 */
return gen_rtx_REG (mode, D0_REG);
#else
/* If the function returns a pointer, push that into %a0. */ /* If the function returns a pointer, push that into %a0. */
if (type && POINTER_TYPE_P (TREE_TYPE (type)) && !outgoing) if (type && POINTER_TYPE_P (TREE_TYPE (type)) && !outgoing)
/* For compatibility with the large body of existing code which /* For compatibility with the large body of existing code which
@ -5513,6 +5516,7 @@ m68k_function_value (const_tree valtype, const_tree func_decl_or_type, bool outg
return gen_rtx_REG (mode, A0_REG); return gen_rtx_REG (mode, A0_REG);
else else
return gen_rtx_REG (mode, D0_REG); return gen_rtx_REG (mode, D0_REG);
#endif
} }
/* Worker function for TARGET_RETURN_IN_MEMORY. */ /* Worker function for TARGET_RETURN_IN_MEMORY. */