+2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/39473
+ * config/i386/i386.c (ix86_expand_call): Check extra clobbers
+ for ms->sysv ABI calls only in 64bit mode.
+
+ * config/i386/i386.md (untyped_call): Support 32bit.
+
2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
* doc/extend.texi: Replace x86_65 with x86_64.
rtx pop, int sibcall)
{
rtx use = NULL, call;
- enum calling_abi function_call_abi;
- if (callarg2 && INTVAL (callarg2) == -2)
- function_call_abi = MS_ABI;
- else
- function_call_abi = SYSV_ABI;
if (pop == const0_rtx)
pop = NULL;
gcc_assert (!TARGET_64BIT || !pop);
pop = gen_rtx_PLUS (Pmode, stack_pointer_rtx, pop);
pop = gen_rtx_SET (VOIDmode, stack_pointer_rtx, pop);
call = gen_rtx_PARALLEL (VOIDmode, gen_rtvec (2, call, pop));
- gcc_assert (ix86_cfun_abi () != MS_ABI || function_call_abi != SYSV_ABI);
}
- /* We need to represent that SI and DI registers are clobbered
- by SYSV calls. */
- if (ix86_cfun_abi () == MS_ABI && function_call_abi == SYSV_ABI)
+ if (TARGET_64BIT
+ && ix86_cfun_abi () == MS_ABI
+ && (!callarg2 || INTVAL (callarg2) != -2))
{
+ /* We need to represent that SI and DI registers are clobbered
+ by SYSV calls. */
static int clobbered_registers[] = {
XMM6_REG, XMM7_REG, XMM8_REG,
XMM9_REG, XMM10_REG, XMM11_REG,
/* In order to give reg-stack an easier job in validating two
coprocessor registers as containing a possible return value,
simply pretend the untyped call returns a complex long double
- value. */
+ value.
+
+ We can't use SSE_REGPARM_MAX here since callee is unprototyped
+ and should have the default ABI. */
ix86_expand_call ((TARGET_FLOAT_RETURNS_IN_80387
? gen_rtx_REG (XCmode, FIRST_FLOAT_REG) : NULL),
operands[0], const0_rtx,
- GEN_INT ((DEFAULT_ABI == SYSV_ABI ? X86_64_SSE_REGPARM_MAX
- : X64_SSE_REGPARM_MAX)
+ GEN_INT ((TARGET_64BIT
+ ? (DEFAULT_ABI == SYSV_ABI
+ ? X86_64_SSE_REGPARM_MAX
+ : X64_SSE_REGPARM_MAX)
+ : X86_32_SSE_REGPARM_MAX)
- 1),
NULL, 0);