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[PULL 13/53] ppc: Use FPSCR defines instead of constants
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From: |
David Gibson |
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Subject: |
[PULL 13/53] ppc: Use FPSCR defines instead of constants |
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Date: |
Fri, 4 Oct 2019 19:37:07 +1000 |
From: "Paul A. Clarke" <address@hidden>
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 <address@hidden>
Message-Id: <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
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;
}
--
2.21.0
- [PULL 07/53] hw/ppc/pnv_occ: add sram device model for occ common area, (continued)
- [PULL 07/53] hw/ppc/pnv_occ: add sram device model for occ common area, David Gibson, 2019/10/04
- [PULL 14/53] ppc/kvm: Skip writing DPDES back when in run time state, David Gibson, 2019/10/04
- [PULL 12/53] ppc: Add support for 'mffsce' instruction, David Gibson, 2019/10/04
- [PULL 04/53] hw/ppc/pnv: fix checkpatch.pl coding style warnings, David Gibson, 2019/10/04
- [PULL 11/53] ppc: Add support for 'mffscrn','mffscrni' instructions, David Gibson, 2019/10/04
- [PULL 08/53] hw/ppc/pnv_homer: add PowerNV homer device model, David Gibson, 2019/10/04
- [PULL 24/53] target/ppc: update {get, set}_dfp{64, 128}() helper functions to read/write DFP numbers correctly, David Gibson, 2019/10/04
- [PULL 16/53] spapr: Move handling of special NVLink numa node from reset to init, David Gibson, 2019/10/04
- [PULL 21/53] pseries: Update SLOF firmware image, David Gibson, 2019/10/04
- [PULL 20/53] spapr: Stop providing RTAS blob, David Gibson, 2019/10/04
- [PULL 13/53] ppc: Use FPSCR defines instead of constants,
David Gibson <=
- [PULL 26/53] target/ppc: change struct PPC_DFP decimal storage from uint64[2] to ppc_vsr_t, David Gibson, 2019/10/04
- [PULL 18/53] spapr: Skip leading zeroes from memory@ DT node names, David Gibson, 2019/10/04
- [PULL 17/53] spapr: Fixes a leak in CAS, David Gibson, 2019/10/04
- [PULL 15/53] spapr: Simplify handling of pre ISA 3.0 guest workaround handling, David Gibson, 2019/10/04
- [PULL 19/53] spapr: Do not put empty properties for -kernel/-initrd/-append, David Gibson, 2019/10/04
- [PULL 28/53] target/ppc: remove unnecessary if() around calls to set_dfp{64, 128}() in DFP macros, David Gibson, 2019/10/04
- [PULL 32/53] spapr/xive: skip partially initialized vCPUs in presenter, David Gibson, 2019/10/04
- [PULL 22/53] target/ppc: introduce get_dfp{64, 128}() helper functions, David Gibson, 2019/10/04
- [PULL 25/53] target/ppc: introduce dfp_finalize_decimal{64, 128}() helper functions, David Gibson, 2019/10/04
- [PULL 29/53] spapr-pci: Stop providing assigned-addresses, David Gibson, 2019/10/04