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target-ppc: fix tcg fatal error on i386 host

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It looks like the i386 runs out of registers for allocation due
to too many global registers allocated by the ppc target.

Here is a quick and dirty fix that seems to solve the problem.
This should be considered as temporary.

Signed-off-by: Laurent Desnogues <laurent.desnogues@gmail.com
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5648 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-11-08 08:57:45 +00:00
parent 18c5f8eab1
commit 4870167d04
2 changed files with 14 additions and 1 deletions
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6
target-ppc/cpu.h
View file

@ -530,7 +530,11 @@ struct CPUPPCState {
* during translated code execution
*/
#if TARGET_LONG_BITS > HOST_LONG_BITS
target_ulong t0, t1, t2;
target_ulong t0, t1;
#endif
/* XXX: this is a temporary workaround for i386. cf translate.c comment */
#if (TARGET_LONG_BITS > HOST_LONG_BITS) || defined(HOST_I386)
target_ulong t2;
#endif
#if !defined(TARGET_PPC64)
/* temporary fixed-point registers

9
target-ppc/translate.c
View file

@ -97,8 +97,17 @@ void ppc_translate_init(void)
#else
cpu_T[0] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG1, "T0");
cpu_T[1] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG2, "T1");
#ifdef HOST_I386
/* XXX: This is a temporary workaround for i386.
* On i386 qemu_st32 runs out of registers.
* The proper fix is to remove cpu_T.
*/
cpu_T[2] = tcg_global_mem_new(TCG_TYPE_TL,
TCG_AREG0, offsetof(CPUState, t2), "T2");
#else
cpu_T[2] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG3, "T2");
#endif
#endif
#if !defined(TARGET_PPC64)
cpu_T64[0] = tcg_global_mem_new(TCG_TYPE_I64,
TCG_AREG0, offsetof(CPUState, t0_64),