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Fix PowerPC FPSCR update and floating-point exception generation

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in most useful cases.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3458 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
j_mayer 2007-10-27 17:54:30 +00:00
parent a32ff1ad95
commit 7c58044c0a
9 changed files with 1120 additions and 347 deletions
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7
darwin-user/main.c
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@ -224,11 +224,6 @@ void cpu_loop(CPUPPCState *env)
case POWERPC_EXCP_FP:
EXCP_DUMP(env, "Floating point program exception\n");
/* Set FX */
env->fpscr[7] |= 0x8;
/* Finally, update FEX */
if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
env->fpscr[7] |= 0x4;
info.si_signo = SIGFPE;
info.si_errno = 0;
switch (env->error_code & 0xF) {
@ -248,7 +243,7 @@ void cpu_loop(CPUPPCState *env)
case POWERPC_EXCP_FP_VXSOFT:
info.si_code = FPE_FLTINV;
break;
case POWERPC_EXCP_FP_VXNAN:
case POWERPC_EXCP_FP_VXSNAN:
case POWERPC_EXCP_FP_VXISI:
case POWERPC_EXCP_FP_VXIDI:
case POWERPC_EXCP_FP_VXIMZ: