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author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-04-07 21:24:25 +0000 |
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committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-04-07 21:24:25 +0000 |
commit | 1cdb9c3d82d6febb526ddb085f2dea8f59c55a93 (patch) | |
tree | 60d181b83db393c631723247491c103a3856c9a2 /target-ppc | |
parent | f9fcd6f50568e6f18da46dd8ae762538644f4662 (diff) | |
download | qemu-1cdb9c3d82d6febb526ddb085f2dea8f59c55a93.zip qemu-1cdb9c3d82d6febb526ddb085f2dea8f59c55a93.tar.gz qemu-1cdb9c3d82d6febb526ddb085f2dea8f59c55a93.tar.bz2 |
Revert revisions r4168 and r4169. That's work in progress, not ready for trunk yet.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4171 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc')
-rw-r--r-- | target-ppc/exec.h | 4 | ||||
-rw-r--r-- | target-ppc/op.c | 14 | ||||
-rw-r--r-- | target-ppc/op_helper.c | 22 | ||||
-rw-r--r-- | target-ppc/op_helper.h | 6 |
4 files changed, 25 insertions, 21 deletions
diff --git a/target-ppc/exec.h b/target-ppc/exec.h index f14f6a8..76fdb0b 100644 --- a/target-ppc/exec.h +++ b/target-ppc/exec.h @@ -27,6 +27,10 @@ #include "cpu.h" #include "exec-all.h" +/* For normal operations, precise emulation should not be needed */ +//#define USE_PRECISE_EMULATION 1 +#define USE_PRECISE_EMULATION 0 + register struct CPUPPCState *env asm(AREG0); #if TARGET_LONG_BITS > HOST_LONG_BITS /* no registers can be used */ diff --git a/target-ppc/op.c b/target-ppc/op.c index f60a6a9..972b8bc 100644 --- a/target-ppc/op.c +++ b/target-ppc/op.c @@ -1716,7 +1716,7 @@ void OPPROTO op_srli_T1_64 (void) /* fadd - fadd. */ void OPPROTO op_fadd (void) { -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION do_fadd(); #else FT0 = float64_add(FT0, FT1, &env->fp_status); @@ -1727,7 +1727,7 @@ void OPPROTO op_fadd (void) /* fsub - fsub. */ void OPPROTO op_fsub (void) { -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION do_fsub(); #else FT0 = float64_sub(FT0, FT1, &env->fp_status); @@ -1738,7 +1738,7 @@ void OPPROTO op_fsub (void) /* fmul - fmul. */ void OPPROTO op_fmul (void) { -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION do_fmul(); #else FT0 = float64_mul(FT0, FT1, &env->fp_status); @@ -1749,7 +1749,7 @@ void OPPROTO op_fmul (void) /* fdiv - fdiv. */ void OPPROTO op_fdiv (void) { -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION do_fdiv(); #else FT0 = float64_div(FT0, FT1, &env->fp_status); @@ -1796,7 +1796,7 @@ void OPPROTO op_fsel (void) /* fmadd - fmadd. */ void OPPROTO op_fmadd (void) { -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION do_fmadd(); #else FT0 = float64_mul(FT0, FT1, &env->fp_status); @@ -1808,7 +1808,7 @@ void OPPROTO op_fmadd (void) /* fmsub - fmsub. */ void OPPROTO op_fmsub (void) { -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION do_fmsub(); #else FT0 = float64_mul(FT0, FT1, &env->fp_status); @@ -1835,7 +1835,7 @@ void OPPROTO op_fnmsub (void) /* frsp - frsp. */ void OPPROTO op_frsp (void) { -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION do_frsp(); #else FT0 = float64_to_float32(FT0, &env->fp_status); diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 919b481..544d906 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -922,7 +922,7 @@ void do_float_check_status (void) } #endif -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION void do_fadd (void) { if (unlikely(float64_is_signaling_nan(FT0) || @@ -989,7 +989,7 @@ void do_fdiv (void) FT0 = float64_div(FT0, FT1, &env->fp_status); } } -#endif /* CONFIG_SOFTFLOAT */ +#endif /* USE_PRECISE_EMULATION */ void do_fctiw (void) { @@ -1003,7 +1003,7 @@ void do_fctiw (void) fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); } else { p.ll = float64_to_int32(FT0, &env->fp_status); -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION /* XXX: higher bits are not supposed to be significant. * to make tests easier, return the same as a real PowerPC 750 */ @@ -1025,7 +1025,7 @@ void do_fctiwz (void) fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); } else { p.ll = float64_to_int32_round_to_zero(FT0, &env->fp_status); -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION /* XXX: higher bits are not supposed to be significant. * to make tests easier, return the same as a real PowerPC 750 */ @@ -1114,7 +1114,7 @@ void do_frim (void) do_fri(float_round_down); } -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION void do_fmadd (void) { if (unlikely(float64_is_signaling_nan(FT0) || @@ -1164,7 +1164,7 @@ void do_fmsub (void) #endif } } -#endif /* CONFIG_SOFTFLOAT */ +#endif /* USE_PRECISE_EMULATION */ void do_fnmadd (void) { @@ -1174,7 +1174,7 @@ void do_fnmadd (void) /* sNaN operation */ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); } else { -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION #ifdef FLOAT128 /* This is the way the PowerPC specification defines it */ float128 ft0_128, ft1_128; @@ -1206,7 +1206,7 @@ void do_fnmsub (void) /* sNaN operation */ fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); } else { -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION #ifdef FLOAT128 /* This is the way the PowerPC specification defines it */ float128 ft0_128, ft1_128; @@ -1230,7 +1230,7 @@ void do_fnmsub (void) } } -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION void do_frsp (void) { if (unlikely(float64_is_signaling_nan(FT0))) { @@ -1240,7 +1240,7 @@ void do_frsp (void) FT0 = float64_to_float32(FT0, &env->fp_status); } } -#endif /* CONFIG_SOFTFLOAT */ +#endif /* USE_PRECISE_EMULATION */ void do_fsqrt (void) { @@ -1295,7 +1295,7 @@ void do_fres (void) /* Zero reciprocal */ float_zero_divide_excp(); } else if (likely(isnormal(FT0))) { -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION FT0 = float64_div(1.0, FT0, &env->fp_status); FT0 = float64_to_float32(FT0, &env->fp_status); #else diff --git a/target-ppc/op_helper.h b/target-ppc/op_helper.h index 0510f0a..1d5fc0a 100644 --- a/target-ppc/op_helper.h +++ b/target-ppc/op_helper.h @@ -98,7 +98,7 @@ void do_compute_fprf (int set_class); #ifdef CONFIG_SOFTFLOAT void do_float_check_status (void); #endif -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION void do_fadd (void); void do_fsub (void); void do_fmul (void); @@ -109,13 +109,13 @@ void do_fre (void); void do_fres (void); void do_frsqrte (void); void do_fsel (void); -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION void do_fmadd (void); void do_fmsub (void); #endif void do_fnmadd (void); void do_fnmsub (void); -#ifdef CONFIG_SOFTFLOAT +#if USE_PRECISE_EMULATION void do_frsp (void); #endif void do_fctiw (void); |