On Thu, Sep 13, 2012 at 07:37:45PM +0200, Stefan Weil wrote:
> 32 bit x86 hosts don't need registers for helper function arguments
> because they use the default stack based calling convention.
>
> Removing the registers allows simpler code for function
> tcg_target_get_call_iarg_regs_count.
>
> Signed-off-by: Stefan Weil <s...@weilnetz.de>
> ---
> tcg/i386/tcg-target.c | 10 ++--------
> 1 file changed, 2 insertions(+), 8 deletions(-)
>
> diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c
> index ef63967..375d87d 100644
> --- a/tcg/i386/tcg-target.c
> +++ b/tcg/i386/tcg-target.c
> @@ -75,9 +75,7 @@ static const int tcg_target_call_iarg_regs[] = {
> TCG_REG_R8,
> TCG_REG_R9,
> #else
> - TCG_REG_EAX,
> - TCG_REG_EDX,
> - TCG_REG_ECX
> + /* 32 bit mode uses stack based calling convention (GCC default). */
> #endif
> };
>
> @@ -127,11 +125,7 @@ static void patch_reloc(uint8_t *code_ptr, int type,
> /* maximum number of register used for input function arguments */
> static inline int tcg_target_get_call_iarg_regs_count(int flags)
> {
> - if (TCG_TARGET_REG_BITS == 64) {
> - return ARRAY_SIZE(tcg_target_call_iarg_regs);
> - }
> -
> - return 0;
> + return ARRAY_SIZE(tcg_target_call_iarg_regs);
> }
>
> /* parse target specific constraints */
> --
> 1.7.10
>
>
Thanks, applied.
--
Aurelien Jarno GPG: 1024D/F1BCDB73
aurel...@aurel32.net http://www.aurel32.net
