From 5c94dd3806b6cd4a9540a818ee87c335804bdc38 Mon Sep 17 00:00:00 2001 From: "Paul A. Clarke" Date: Wed, 18 Sep 2019 09:32:49 -0500 Subject: [PATCH] ppc: Use FPSCR defines instead of constants There are FPSCR-related defines in target/ppc/cpu.h which can be used in place of constants and explicit shifts which arguably improve the code a bit in places. Signed-off-by: Paul A. Clarke Message-Id: <1568817169-1721-1-git-send-email-pc@us.ibm.com> Reviewed-by: Richard Henderson Signed-off-by: David Gibson --- target/ppc/dfp_helper.c | 8 ++-- target/ppc/fpu_helper.c | 122 ++++++++++++++++++++++++------------------------ 2 files changed, 65 insertions(+), 65 deletions(-) diff --git a/target/ppc/dfp_helper.c b/target/ppc/dfp_helper.c index da8e08a35c..753399177c 100644 --- a/target/ppc/dfp_helper.c +++ b/target/ppc/dfp_helper.c @@ -220,8 +220,8 @@ static void dfp_set_FPRF_from_FRT_with_context(struct PPC_DFP *dfp, default: assert(0); /* should never get here */ } - dfp->env->fpscr &= ~(0x1F << 12); - dfp->env->fpscr |= (fprf << 12); + dfp->env->fpscr &= ~FP_FPRF; + dfp->env->fpscr |= (fprf << FPSCR_FPRF); } static void dfp_set_FPRF_from_FRT(struct PPC_DFP *dfp) @@ -369,8 +369,8 @@ static void dfp_set_CRBF_from_T(struct PPC_DFP *dfp) static void dfp_set_FPCC_from_CRBF(struct PPC_DFP *dfp) { - dfp->env->fpscr &= ~(0xF << 12); - dfp->env->fpscr |= (dfp->crbf << 12); + dfp->env->fpscr &= ~FP_FPCC; + dfp->env->fpscr |= (dfp->crbf << FPSCR_FPCC); } static inline void dfp_makeQNaN(decNumber *dn) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 4b1a2e6178..dc383242f7 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -180,7 +180,7 @@ static void set_fprf_from_class(CPUPPCState *env, int class) }; bool isneg = class & is_neg; - env->fpscr &= ~(0x1F << FPSCR_FPRF); + env->fpscr &= ~FP_FPRF; env->fpscr |= fprf[ctz32(class)][isneg] << FPSCR_FPRF; } @@ -199,12 +199,12 @@ COMPUTE_FPRF(float128) static void finish_invalid_op_excp(CPUPPCState *env, int op, uintptr_t retaddr) { /* Update the floating-point invalid operation summary */ - env->fpscr |= 1 << FPSCR_VX; + env->fpscr |= FP_VX; /* Update the floating-point exception summary */ env->fpscr |= FP_FX; if (fpscr_ve != 0) { /* Update the floating-point enabled exception summary */ - env->fpscr |= 1 << FPSCR_FEX; + env->fpscr |= FP_FEX; if (fp_exceptions_enabled(env)) { raise_exception_err_ra(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_FP | op, retaddr); @@ -215,11 +215,11 @@ static void finish_invalid_op_excp(CPUPPCState *env, int op, uintptr_t retaddr) static void finish_invalid_op_arith(CPUPPCState *env, int op, bool set_fpcc, uintptr_t retaddr) { - env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI)); + env->fpscr &= ~(FP_FR | FP_FI); if (fpscr_ve == 0) { if (set_fpcc) { - env->fpscr &= ~(0xF << FPSCR_FPCC); - env->fpscr |= 0x11 << FPSCR_FPCC; + env->fpscr &= ~FP_FPCC; + env->fpscr |= (FP_C | FP_FU); } } finish_invalid_op_excp(env, op, retaddr); @@ -228,7 +228,7 @@ static void finish_invalid_op_arith(CPUPPCState *env, int op, /* Signalling NaN */ static void float_invalid_op_vxsnan(CPUPPCState *env, uintptr_t retaddr) { - env->fpscr |= 1 << FPSCR_VXSNAN; + env->fpscr |= FP_VXSNAN; finish_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, retaddr); } @@ -236,7 +236,7 @@ static void float_invalid_op_vxsnan(CPUPPCState *env, uintptr_t retaddr) static void float_invalid_op_vxisi(CPUPPCState *env, bool set_fpcc, uintptr_t retaddr) { - env->fpscr |= 1 << FPSCR_VXISI; + env->fpscr |= FP_VXISI; finish_invalid_op_arith(env, POWERPC_EXCP_FP_VXISI, set_fpcc, retaddr); } @@ -244,7 +244,7 @@ static void float_invalid_op_vxisi(CPUPPCState *env, bool set_fpcc, static void float_invalid_op_vxidi(CPUPPCState *env, bool set_fpcc, uintptr_t retaddr) { - env->fpscr |= 1 << FPSCR_VXIDI; + env->fpscr |= FP_VXIDI; finish_invalid_op_arith(env, POWERPC_EXCP_FP_VXIDI, set_fpcc, retaddr); } @@ -252,7 +252,7 @@ static void float_invalid_op_vxidi(CPUPPCState *env, bool set_fpcc, static void float_invalid_op_vxzdz(CPUPPCState *env, bool set_fpcc, uintptr_t retaddr) { - env->fpscr |= 1 << FPSCR_VXZDZ; + env->fpscr |= FP_VXZDZ; finish_invalid_op_arith(env, POWERPC_EXCP_FP_VXZDZ, set_fpcc, retaddr); } @@ -260,7 +260,7 @@ static void float_invalid_op_vxzdz(CPUPPCState *env, bool set_fpcc, static void float_invalid_op_vximz(CPUPPCState *env, bool set_fpcc, uintptr_t retaddr) { - env->fpscr |= 1 << FPSCR_VXIMZ; + env->fpscr |= FP_VXIMZ; finish_invalid_op_arith(env, POWERPC_EXCP_FP_VXIMZ, set_fpcc, retaddr); } @@ -268,7 +268,7 @@ static void float_invalid_op_vximz(CPUPPCState *env, bool set_fpcc, static void float_invalid_op_vxsqrt(CPUPPCState *env, bool set_fpcc, uintptr_t retaddr) { - env->fpscr |= 1 << FPSCR_VXSQRT; + env->fpscr |= FP_VXSQRT; finish_invalid_op_arith(env, POWERPC_EXCP_FP_VXSQRT, set_fpcc, retaddr); } @@ -276,13 +276,13 @@ static void float_invalid_op_vxsqrt(CPUPPCState *env, bool set_fpcc, static void float_invalid_op_vxvc(CPUPPCState *env, bool set_fpcc, uintptr_t retaddr) { - env->fpscr |= 1 << FPSCR_VXVC; + env->fpscr |= FP_VXVC; if (set_fpcc) { - env->fpscr &= ~(0xF << FPSCR_FPCC); - env->fpscr |= 0x11 << FPSCR_FPCC; + env->fpscr &= ~FP_FPCC; + env->fpscr |= (FP_C | FP_FU); } /* Update the floating-point invalid operation summary */ - env->fpscr |= 1 << FPSCR_VX; + env->fpscr |= FP_VX; /* Update the floating-point exception summary */ env->fpscr |= FP_FX; /* We must update the target FPR before raising the exception */ @@ -292,7 +292,7 @@ static void float_invalid_op_vxvc(CPUPPCState *env, bool set_fpcc, cs->exception_index = POWERPC_EXCP_PROGRAM; env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_VXVC; /* Update the floating-point enabled exception summary */ - env->fpscr |= 1 << FPSCR_FEX; + env->fpscr |= FP_FEX; /* Exception is differed */ } } @@ -301,12 +301,12 @@ static void float_invalid_op_vxvc(CPUPPCState *env, bool set_fpcc, static void float_invalid_op_vxcvi(CPUPPCState *env, bool set_fpcc, uintptr_t retaddr) { - env->fpscr |= 1 << FPSCR_VXCVI; - env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI)); + env->fpscr |= FP_VXCVI; + env->fpscr &= ~(FP_FR | FP_FI); if (fpscr_ve == 0) { if (set_fpcc) { - env->fpscr &= ~(0xF << FPSCR_FPCC); - env->fpscr |= 0x11 << FPSCR_FPCC; + env->fpscr &= ~FP_FPCC; + env->fpscr |= (FP_C | FP_FU); } } finish_invalid_op_excp(env, POWERPC_EXCP_FP_VXCVI, retaddr); @@ -314,13 +314,13 @@ static void float_invalid_op_vxcvi(CPUPPCState *env, bool set_fpcc, static inline void float_zero_divide_excp(CPUPPCState *env, uintptr_t raddr) { - env->fpscr |= 1 << FPSCR_ZX; - env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI)); + env->fpscr |= FP_ZX; + env->fpscr &= ~(FP_FR | FP_FI); /* Update the floating-point exception summary */ env->fpscr |= FP_FX; if (fpscr_ze != 0) { /* Update the floating-point enabled exception summary */ - env->fpscr |= 1 << FPSCR_FEX; + env->fpscr |= FP_FEX; if (fp_exceptions_enabled(env)) { raise_exception_err_ra(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX, @@ -333,19 +333,19 @@ static inline void float_overflow_excp(CPUPPCState *env) { CPUState *cs = env_cpu(env); - env->fpscr |= 1 << FPSCR_OX; + env->fpscr |= FP_OX; /* Update the floating-point exception summary */ env->fpscr |= FP_FX; if (fpscr_oe != 0) { /* XXX: should adjust the result */ /* Update the floating-point enabled exception summary */ - env->fpscr |= 1 << FPSCR_FEX; + env->fpscr |= FP_FEX; /* We must update the target FPR before raising the exception */ cs->exception_index = POWERPC_EXCP_PROGRAM; env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_OX; } else { - env->fpscr |= 1 << FPSCR_XX; - env->fpscr |= 1 << FPSCR_FI; + env->fpscr |= FP_XX; + env->fpscr |= FP_FI; } } @@ -353,13 +353,13 @@ static inline void float_underflow_excp(CPUPPCState *env) { CPUState *cs = env_cpu(env); - env->fpscr |= 1 << FPSCR_UX; + env->fpscr |= FP_UX; /* Update the floating-point exception summary */ env->fpscr |= FP_FX; if (fpscr_ue != 0) { /* XXX: should adjust the result */ /* Update the floating-point enabled exception summary */ - env->fpscr |= 1 << FPSCR_FEX; + env->fpscr |= FP_FEX; /* We must update the target FPR before raising the exception */ cs->exception_index = POWERPC_EXCP_PROGRAM; env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_UX; @@ -370,13 +370,13 @@ static inline void float_inexact_excp(CPUPPCState *env) { CPUState *cs = env_cpu(env); - env->fpscr |= 1 << FPSCR_FI; - env->fpscr |= 1 << FPSCR_XX; + env->fpscr |= FP_FI; + env->fpscr |= FP_XX; /* Update the floating-point exception summary */ env->fpscr |= FP_FX; if (fpscr_xe != 0) { /* Update the floating-point enabled exception summary */ - env->fpscr |= 1 << FPSCR_FEX; + env->fpscr |= FP_FEX; /* We must update the target FPR before raising the exception */ cs->exception_index = POWERPC_EXCP_PROGRAM; env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_XX; @@ -433,7 +433,7 @@ void helper_fpscr_clrbit(CPUPPCState *env, uint32_t bit) case FPSCR_VXCVI: if (!fpscr_ix) { /* Set VX bit to zero */ - env->fpscr &= ~(1 << FPSCR_VX); + env->fpscr &= ~FP_VX; } break; case FPSCR_OX: @@ -447,7 +447,7 @@ void helper_fpscr_clrbit(CPUPPCState *env, uint32_t bit) case FPSCR_XE: if (!fpscr_eex) { /* Set the FEX bit */ - env->fpscr &= ~(1 << FPSCR_FEX); + env->fpscr &= ~FP_FEX; } break; default: @@ -504,7 +504,7 @@ void helper_fpscr_setbit(CPUPPCState *env, uint32_t bit) case FPSCR_VXSOFT: case FPSCR_VXSQRT: case FPSCR_VXCVI: - env->fpscr |= 1 << FPSCR_VX; + env->fpscr |= FP_VX; env->fpscr |= FP_FX; if (fpscr_ve != 0) { goto raise_ve; @@ -580,7 +580,7 @@ void helper_fpscr_setbit(CPUPPCState *env, uint32_t bit) break; raise_excp: /* Update the floating-point enabled exception summary */ - env->fpscr |= 1 << FPSCR_FEX; + env->fpscr |= FP_FEX; /* We have to update Rc1 before raising the exception */ cs->exception_index = POWERPC_EXCP_PROGRAM; break; @@ -596,8 +596,8 @@ void helper_store_fpscr(CPUPPCState *env, uint64_t arg, uint32_t mask) prev = env->fpscr; new = (target_ulong)arg; - new &= ~0x60000000LL; - new |= prev & 0x60000000LL; + new &= ~(FP_FEX | FP_VX); + new |= prev & (FP_FEX | FP_VX); for (i = 0; i < sizeof(target_ulong) * 2; i++) { if (mask & (1 << i)) { env->fpscr &= ~(0xFLL << (4 * i)); @@ -606,17 +606,17 @@ void helper_store_fpscr(CPUPPCState *env, uint64_t arg, uint32_t mask) } /* Update VX and FEX */ if (fpscr_ix != 0) { - env->fpscr |= 1 << FPSCR_VX; + env->fpscr |= FP_VX; } else { - env->fpscr &= ~(1 << FPSCR_VX); + env->fpscr &= ~FP_VX; } if ((fpscr_ex & fpscr_eex) != 0) { - env->fpscr |= 1 << FPSCR_FEX; + env->fpscr |= FP_FEX; cs->exception_index = POWERPC_EXCP_PROGRAM; /* XXX: we should compute it properly */ env->error_code = POWERPC_EXCP_FP; } else { - env->fpscr &= ~(1 << FPSCR_FEX); + env->fpscr &= ~FP_FEX; } fpscr_set_rounding_mode(env); } @@ -639,7 +639,7 @@ static void do_float_check_status(CPUPPCState *env, uintptr_t raddr) if (status & float_flag_inexact) { float_inexact_excp(env); } else { - env->fpscr &= ~(1 << FPSCR_FI); /* clear the FPSCR[FI] bit */ + env->fpscr &= ~FP_FI; /* clear the FPSCR[FI] bit */ } if (cs->exception_index == POWERPC_EXCP_PROGRAM && @@ -1138,8 +1138,8 @@ void helper_fcmpu(CPUPPCState *env, uint64_t arg1, uint64_t arg2, ret = 0x02UL; } - env->fpscr &= ~(0x0F << FPSCR_FPRF); - env->fpscr |= ret << FPSCR_FPRF; + env->fpscr &= ~FP_FPCC; + env->fpscr |= ret << FPSCR_FPCC; env->crf[crfD] = ret; if (unlikely(ret == 0x01UL && (float64_is_signaling_nan(farg1.d, &env->fp_status) || @@ -1169,9 +1169,9 @@ void helper_fcmpo(CPUPPCState *env, uint64_t arg1, uint64_t arg2, ret = 0x02UL; } - env->fpscr &= ~(0x0F << FPSCR_FPRF); - env->fpscr |= ret << FPSCR_FPRF; - env->crf[crfD] = ret; + env->fpscr &= ~FP_FPCC; + env->fpscr |= ret << FPSCR_FPCC; + env->crf[crfD] = (uint32_t) ret; if (unlikely(ret == 0x01UL)) { float_invalid_op_vxvc(env, 1, GETPC()); if (float64_is_signaling_nan(farg1.d, &env->fp_status) || @@ -2431,8 +2431,8 @@ void helper_xscmpexpdp(CPUPPCState *env, uint32_t opcode, } } - env->fpscr &= ~(0x0F << FPSCR_FPRF); - env->fpscr |= cc << FPSCR_FPRF; + env->fpscr &= ~FP_FPCC; + env->fpscr |= cc << FPSCR_FPCC; env->crf[BF(opcode)] = cc; do_float_check_status(env, GETPC()); @@ -2460,8 +2460,8 @@ void helper_xscmpexpqp(CPUPPCState *env, uint32_t opcode, } } - env->fpscr &= ~(0x0F << FPSCR_FPRF); - env->fpscr |= cc << FPSCR_FPRF; + env->fpscr &= ~FP_FPCC; + env->fpscr |= cc << FPSCR_FPCC; env->crf[BF(opcode)] = cc; do_float_check_status(env, GETPC()); @@ -2505,8 +2505,8 @@ void helper_##op(CPUPPCState *env, uint32_t opcode, \ cc |= CRF_EQ; \ } \ \ - env->fpscr &= ~(0x0F << FPSCR_FPRF); \ - env->fpscr |= cc << FPSCR_FPRF; \ + env->fpscr &= ~FP_FPCC; \ + env->fpscr |= cc << FPSCR_FPCC; \ env->crf[BF(opcode)] = cc; \ \ do_float_check_status(env, GETPC()); \ @@ -2553,8 +2553,8 @@ void helper_##op(CPUPPCState *env, uint32_t opcode, \ cc |= CRF_EQ; \ } \ \ - env->fpscr &= ~(0x0F << FPSCR_FPRF); \ - env->fpscr |= cc << FPSCR_FPRF; \ + env->fpscr &= ~FP_FPCC; \ + env->fpscr |= cc << FPSCR_FPCC; \ env->crf[BF(opcode)] = cc; \ \ do_float_check_status(env, GETPC()); \ @@ -3242,8 +3242,8 @@ void helper_##op(CPUPPCState *env, uint32_t opcode) \ \ if (scrf) { \ cc = sign << CRF_LT_BIT | match << CRF_EQ_BIT; \ - env->fpscr &= ~(0x0F << FPSCR_FPRF); \ - env->fpscr |= cc << FPSCR_FPRF; \ + env->fpscr &= ~FP_FPCC; \ + env->fpscr |= cc << FPSCR_FPCC; \ env->crf[BF(opcode)] = cc; \ } else { \ t.tfld = match ? fld_max : 0; \ @@ -3286,8 +3286,8 @@ void helper_xststdcsp(CPUPPCState *env, uint32_t opcode, ppc_vsr_t *xb) &env->fp_status), &env->fp_status); cc = sign << CRF_LT_BIT | match << CRF_EQ_BIT | not_sp << CRF_SO_BIT; - env->fpscr &= ~(0x0F << FPSCR_FPRF); - env->fpscr |= cc << FPSCR_FPRF; + env->fpscr &= ~FP_FPCC; + env->fpscr |= cc << FPSCR_FPCC; env->crf[BF(opcode)] = cc; } -- 2.11.4.GIT