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[174.21.70.228]) by smtp.gmail.com with ESMTPSA id s1sm605959pfc.6.2021.05.26.21.14.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 May 2021 21:14:06 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 01/11] softfloat: Rename float_flag_input_denormal to float_flag_iflush_denormal Date: Wed, 26 May 2021 21:13:55 -0700 Message-Id: <20210527041405.391567-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210527041405.391567-1-richard.henderson@linaro.org> References: <20210527041405.391567-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1035; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1035.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alex.bennee@linaro.org, mmorrell@tachyum.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The new name emphasizes that the input denormal has been flushed to zero. Patch created mechanically using: sed -i s,float_flag_input_denormal,float_flag_iflush_denormal,g \ $(git grep -l float_flag_input_denormal) Signed-off-by: Richard Henderson --- include/fpu/softfloat-types.h | 2 +- fpu/softfloat.c | 4 ++-- target/arm/sve_helper.c | 6 +++--- target/arm/vfp_helper.c | 10 +++++----- target/i386/tcg/fpu_helper.c | 6 +++--- target/mips/tcg/msa_helper.c | 2 +- target/rx/op_helper.c | 2 +- fpu/softfloat-parts.c.inc | 2 +- 8 files changed, 17 insertions(+), 17 deletions(-) diff --git a/include/fpu/softfloat-types.h b/include/fpu/softfloat-types.h index 1f83378c20..719b4d2531 100644 --- a/include/fpu/softfloat-types.h +++ b/include/fpu/softfloat-types.h @@ -148,7 +148,7 @@ enum { float_flag_overflow = 8, float_flag_underflow = 16, float_flag_inexact = 32, - float_flag_input_denormal = 64, + float_flag_iflush_denormal = 64, float_flag_output_denormal = 128 }; diff --git a/fpu/softfloat.c b/fpu/softfloat.c index 79b2205070..fa3a691a5a 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -132,7 +132,7 @@ this code that are retained. if (unlikely(soft_t ## _is_denormal(*a))) { \ *a = soft_t ## _set_sign(soft_t ## _zero, \ soft_t ## _is_neg(*a)); \ - float_raise(float_flag_input_denormal, s); \ + float_raise(float_flag_iflush_denormal, s); \ } \ } @@ -4441,7 +4441,7 @@ float128 float128_silence_nan(float128 a, float_status *status) static bool parts_squash_denormal(FloatParts64 p, float_status *status) { if (p.exp == 0 && p.frac != 0) { - float_raise(float_flag_input_denormal, status); + float_raise(float_flag_iflush_denormal, status); return true; } diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index 40af3024df..16b055a34f 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -4774,7 +4774,7 @@ static int16_t do_float16_logb_as_int(float16 a, float_status *s) return -15 - clz32(frac); } /* flush to zero */ - float_raise(float_flag_input_denormal, s); + float_raise(float_flag_iflush_denormal, s); } } else if (unlikely(exp == 0x1f)) { if (frac == 0) { @@ -4802,7 +4802,7 @@ static int32_t do_float32_logb_as_int(float32 a, float_status *s) return -127 - clz32(frac); } /* flush to zero */ - float_raise(float_flag_input_denormal, s); + float_raise(float_flag_iflush_denormal, s); } } else if (unlikely(exp == 0xff)) { if (frac == 0) { @@ -4830,7 +4830,7 @@ static int64_t do_float64_logb_as_int(float64 a, float_status *s) return -1023 - clz64(frac); } /* flush to zero */ - float_raise(float_flag_input_denormal, s); + float_raise(float_flag_iflush_denormal, s); } } else if (unlikely(exp == 0x7ff)) { if (frac == 0) { diff --git a/target/arm/vfp_helper.c b/target/arm/vfp_helper.c index 01b9d8557f..0a43ccc6fa 100644 --- a/target/arm/vfp_helper.c +++ b/target/arm/vfp_helper.c @@ -52,7 +52,7 @@ static inline int vfp_exceptbits_from_host(int host_bits) if (host_bits & float_flag_inexact) { target_bits |= 0x10; } - if (host_bits & float_flag_input_denormal) { + if (host_bits & float_flag_iflush_denormal) { target_bits |= 0x80; } return target_bits; @@ -79,7 +79,7 @@ static inline int vfp_exceptbits_to_host(int target_bits) host_bits |= float_flag_inexact; } if (target_bits & 0x80) { - host_bits |= float_flag_input_denormal; + host_bits |= float_flag_iflush_denormal; } return host_bits; } @@ -92,9 +92,9 @@ static uint32_t vfp_get_fpscr_from_host(CPUARMState *env) i |= get_float_exception_flags(&env->vfp.standard_fp_status); /* FZ16 does not generate an input denormal exception. */ i |= (get_float_exception_flags(&env->vfp.fp_status_f16) - & ~float_flag_input_denormal); + & ~float_flag_iflush_denormal); i |= (get_float_exception_flags(&env->vfp.standard_fp_status_f16) - & ~float_flag_input_denormal); + & ~float_flag_iflush_denormal); return vfp_exceptbits_from_host(i); } @@ -1124,7 +1124,7 @@ uint64_t HELPER(fjcvtzs)(float64 value, void *vstatus) inexact = sign; if (frac != 0) { if (status->flush_inputs_to_zero) { - float_raise(float_flag_input_denormal, status); + float_raise(float_flag_iflush_denormal, status); } else { float_raise(float_flag_inexact, status); inexact = 1; diff --git a/target/i386/tcg/fpu_helper.c b/target/i386/tcg/fpu_helper.c index 4e11965067..c402daf659 100644 --- a/target/i386/tcg/fpu_helper.c +++ b/target/i386/tcg/fpu_helper.c @@ -148,7 +148,7 @@ static void merge_exception_flags(CPUX86State *env, uint8_t old_flags) (new_flags & float_flag_overflow ? FPUS_OE : 0) | (new_flags & float_flag_underflow ? FPUS_UE : 0) | (new_flags & float_flag_inexact ? FPUS_PE : 0) | - (new_flags & float_flag_input_denormal ? FPUS_DE : 0))); + (new_flags & float_flag_iflush_denormal ? FPUS_DE : 0))); } static inline floatx80 helper_fdiv(CPUX86State *env, floatx80 a, floatx80 b) @@ -1742,7 +1742,7 @@ void helper_fxtract(CPUX86State *env) int shift = clz64(temp.l.lower); temp.l.lower <<= shift; expdif = 1 - EXPBIAS - shift; - float_raise(float_flag_input_denormal, &env->fp_status); + float_raise(float_flag_iflush_denormal, &env->fp_status); } else { expdif = EXPD(temp) - EXPBIAS; } @@ -2991,7 +2991,7 @@ void update_mxcsr_from_sse_status(CPUX86State *env) uint8_t flags = get_float_exception_flags(&env->sse_status); /* * The MXCSR denormal flag has opposite semantics to - * float_flag_input_denormal (the softfloat code sets that flag + * float_flag_iflush_denormal (the softfloat code sets that flag * only when flushing input denormals to zero, but SSE sets it * only when not flushing them to zero), so is not converted * here. diff --git a/target/mips/tcg/msa_helper.c b/target/mips/tcg/msa_helper.c index 04af54f66d..992d348aa3 100644 --- a/target/mips/tcg/msa_helper.c +++ b/target/mips/tcg/msa_helper.c @@ -6230,7 +6230,7 @@ static inline int update_msacsr(CPUMIPSState *env, int action, int denormal) enable = GET_FP_ENABLE(env->active_tc.msacsr) | FP_UNIMPLEMENTED; /* Set Inexact (I) when flushing inputs to zero */ - if ((ieee_exception_flags & float_flag_input_denormal) && + if ((ieee_exception_flags & float_flag_iflush_denormal) && (env->active_tc.msacsr & MSACSR_FS_MASK) != 0) { if (action & CLEAR_IS_INEXACT) { mips_exception_flags &= ~FP_INEXACT; diff --git a/target/rx/op_helper.c b/target/rx/op_helper.c index 4d315b4449..eb2c4a41fb 100644 --- a/target/rx/op_helper.c +++ b/target/rx/op_helper.c @@ -97,7 +97,7 @@ static void update_fpsw(CPURXState *env, float32 ret, uintptr_t retaddr) if (xcpt & float_flag_inexact) { SET_FPSW(X); } - if ((xcpt & (float_flag_input_denormal + if ((xcpt & (float_flag_iflush_denormal | float_flag_output_denormal)) && !FIELD_EX32(env->fpsw, FPSW, DN)) { env->fpsw = FIELD_DP32(env->fpsw, FPSW, CE, 1); diff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc index 801aa86ff9..be29ba0aa3 100644 --- a/fpu/softfloat-parts.c.inc +++ b/fpu/softfloat-parts.c.inc @@ -112,7 +112,7 @@ static void partsN(canonicalize)(FloatPartsN *p, float_status *status, if (likely(frac_eqz(p))) { p->cls = float_class_zero; } else if (status->flush_inputs_to_zero) { - float_raise(float_flag_input_denormal, status); + float_raise(float_flag_iflush_denormal, status); p->cls = float_class_zero; frac_clear(p); } else { -- 2.25.1