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Re: [Qemu-devel] [PATCH 2/4] tcg/i386: Remove unused registers from tcg_
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [PATCH 2/4] tcg/i386: Remove unused registers from tcg_target_call_iarg_regs |
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Date: |
Wed, 12 Sep 2012 22:18:42 +0100 |
On 12 September 2012 21:44, Stefan Weil <address@hidden> wrote:
> --- 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
> };
This makes the array zero-length for 32 bit targets, but functions
like tcg_out_tlb_load() and tcg_out_qemu_ld() still unconditionally
access elements in it...
-- PMM