diff --git a/clang/docs/UsersManual.rst b/clang/docs/UsersManual.rst index 838669794ea870..980d0ab4597595 100644 --- a/clang/docs/UsersManual.rst +++ b/clang/docs/UsersManual.rst @@ -1260,50 +1260,8 @@ installed. Controlling Floating Point Behavior ----------------------------------- -Clang provides a number of ways to control floating point behavior, including -with command line options and source pragmas. This section -describes the various floating point semantic modes and the corresponding options. - -.. csv-table:: Floating Point Semantic Modes - :header: "Mode", "Values" - :widths: 15, 30, 30 - - "except_behavior", "{ignore, strict, may_trap}", "ffp-exception-behavior" - "fenv_access", "{off, on}", "(none)" - "rounding_mode", "{dynamic, tonearest, downward, upward, towardzero}", "frounding-math" - "contract", "{on, off, fast}", "ffp-contract" - "denormal_fp_math", "{IEEE, PreserveSign, PositiveZero}", "fdenormal-fp-math" - "denormal_fp32_math", "{IEEE, PreserveSign, PositiveZero}", "fdenormal-fp-math-fp32" - "support_math_errno", "{on, off}", "fmath-errno" - "no_honor_nans", "{on, off}", "fhonor-nans" - "no_honor_infinities", "{on, off}", "fhonor-infinities" - "no_signed_zeros", "{on, off}", "fsigned-zeros" - "allow_reciprocal", "{on, off}", "freciprocal-math" - "allow_approximate_fns", "{on, off}", "(none)" - "allow_reassociation", "{on, off}", "fassociative-math" - - -This table describes the option settings that correspond to the three -floating point semantic models: precise (the default), strict, and fast. - - -.. csv-table:: Floating Point Models - :header: "Mode", "Precise", "Strict", "Fast" - :widths: 25, 15, 15, 15 - - "except_behavior", "ignore", "strict", "ignore" - "fenv_access", "off", "on", "off" - "rounding_mode", "tonearest", "dynamic", "tonearest" - "contract", "on", "off", "fast" - "denormal_fp_math", "IEEE", "IEEE", "PreserveSign" - "denormal_fp32_math", "IEEE","IEEE", "PreserveSign" - "support_math_errno", "on", "on", "off" - "no_honor_nans", "off", "off", "on" - "no_honor_infinities", "off", "off", "on" - "no_signed_zeros", "off", "off", "on" - "allow_reciprocal", "off", "off", "on" - "allow_approximate_fns", "off", "off", "on" - "allow_reassociation", "off", "off", "on" +Clang provides a number of ways to control floating point behavior. The options +are listed below. .. option:: -ffast-math @@ -1498,7 +1456,7 @@ Note that floating-point operations performed as part of constant initialization and ``fast``. Details: - * ``precise`` Disables optimizations that are not value-safe on floating-point data, although FP contraction (FMA) is enabled (``-ffp-contract=on``). This is the default behavior. + * ``precise`` Disables optimizations that are not value-safe on floating-point data, although FP contraction (FMA) is enabled (``-ffp-contract=fast``). This is the default behavior. * ``strict`` Enables ``-frounding-math`` and ``-ffp-exception-behavior=strict``, and disables contractions (FMA). All of the ``-ffast-math`` enablements are disabled. Enables ``STDC FENV_ACCESS``: by default ``FENV_ACCESS`` is disabled. This option setting behaves as though ``#pragma STDC FENV_ACESS ON`` appeared at the top of the source file. * ``fast`` Behaves identically to specifying both ``-ffast-math`` and ``ffp-contract=fast`` diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp index 1c79640be80f62..96bbc0250126e0 100644 --- a/clang/lib/Driver/ToolChains/Clang.cpp +++ b/clang/lib/Driver/ToolChains/Clang.cpp @@ -2641,7 +2641,7 @@ static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D, llvm::DenormalMode DenormalFPMath = DefaultDenormalFPMath; llvm::DenormalMode DenormalFP32Math = DefaultDenormalFP32Math; - StringRef FPContract = "on"; + StringRef FPContract = ""; bool StrictFPModel = false; @@ -2666,7 +2666,7 @@ static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D, ReciprocalMath = false; SignedZeros = true; // -fno_fast_math restores default denormal and fpcontract handling - FPContract = "on"; + FPContract = ""; DenormalFPMath = llvm::DenormalMode::getIEEE(); // FIXME: The target may have picked a non-IEEE default mode here based on @@ -2686,18 +2686,20 @@ static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D, // ffp-model= is a Driver option, it is entirely rewritten into more // granular options before being passed into cc1. // Use the gcc option in the switch below. - if (!FPModel.empty() && !FPModel.equals(Val)) + if (!FPModel.empty() && !FPModel.equals(Val)) { D.Diag(clang::diag::warn_drv_overriding_flag_option) << Args.MakeArgString("-ffp-model=" + FPModel) << Args.MakeArgString("-ffp-model=" + Val); + FPContract = ""; + } if (Val.equals("fast")) { optID = options::OPT_ffast_math; FPModel = Val; - FPContract = Val; + FPContract = "fast"; } else if (Val.equals("precise")) { optID = options::OPT_ffp_contract; FPModel = Val; - FPContract = "on"; + FPContract = "fast"; PreciseFPModel = true; } else if (Val.equals("strict")) { StrictFPModel = true; @@ -2783,11 +2785,9 @@ static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D, case options::OPT_ffp_contract: { StringRef Val = A->getValue(); if (PreciseFPModel) { - // When -ffp-model=precise is seen on the command line, - // the boolean PreciseFPModel is set to true which indicates - // "the current option is actually PreciseFPModel". The optID - // is changed to OPT_ffp_contract and FPContract is set to "on". - // the argument Val string is "precise": it shouldn't be checked. + // -ffp-model=precise enables ffp-contract=fast as a side effect + // the FPContract value has already been set to a string literal + // and the Val string isn't a pertinent value. ; } else if (Val.equals("fast") || Val.equals("on") || Val.equals("off")) FPContract = Val; @@ -2897,17 +2897,18 @@ static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D, // -fno_fast_math restores default denormal and fpcontract handling DenormalFPMath = DefaultDenormalFPMath; DenormalFP32Math = llvm::DenormalMode::getIEEE(); - FPContract = "on"; + FPContract = ""; break; } if (StrictFPModel) { // If -ffp-model=strict has been specified on command line but // subsequent options conflict then emit warning diagnostic. - if (HonorINFs && HonorNaNs && !AssociativeMath && !ReciprocalMath && - SignedZeros && TrappingMath && RoundingFPMath && - DenormalFPMath == llvm::DenormalMode::getIEEE() && - DenormalFP32Math == llvm::DenormalMode::getIEEE() && - FPContract.equals("off")) + if (HonorINFs && HonorNaNs && + !AssociativeMath && !ReciprocalMath && + SignedZeros && TrappingMath && RoundingFPMath && + (FPContract.equals("off") || FPContract.empty()) && + DenormalFPMath == llvm::DenormalMode::getIEEE() && + DenormalFP32Math == llvm::DenormalMode::getIEEE()) // OK: Current Arg doesn't conflict with -ffp-model=strict ; else { diff --git a/clang/test/CodeGen/ffp-contract-option.c b/clang/test/CodeGen/ffp-contract-option.c index efc72c2b54611b..52b7507959402e 100644 --- a/clang/test/CodeGen/ffp-contract-option.c +++ b/clang/test/CodeGen/ffp-contract-option.c @@ -1,46 +1,9 @@ -// RUN: %clang_cc1 -O3 -ffp-contract=fast -triple=aarch64-apple-darwin -S -o - %s | FileCheck --check-prefix=CHECK-FMADD %s +// RUN: %clang_cc1 -O3 -ffp-contract=fast -triple=aarch64-apple-darwin -S -o - %s | FileCheck %s // REQUIRES: aarch64-registered-target float fma_test1(float a, float b, float c) { -// CHECK-FMADD: fmadd - float x = a * b; - float y = x + c; - return y; -} - -// RUN: %clang_cc1 -triple=x86_64 %s -emit-llvm -o - \ -// RUN:| FileCheck --check-prefix=CHECK-DEFAULT %s -// -// RUN: %clang_cc1 -triple=x86_64 -ffp-contract=off %s -emit-llvm -o - \ -// RUN:| FileCheck --check-prefix=CHECK-DEFAULT %s -// RUN: %clang_cc1 -triple=x86_64 -ffp-contract=on %s -emit-llvm -o - \ -// RUN:| FileCheck --check-prefix=CHECK-ON %s -// RUN: %clang_cc1 -triple=x86_64 -ffp-contract=fast %s -emit-llvm -o - \ -// RUN:| FileCheck --check-prefix=CHECK-CONTRACTFAST %s -// -// RUN: %clang_cc1 -triple=x86_64 -ffast-math %s -emit-llvm -o - \ -// RUN:| FileCheck --check-prefix=CHECK-DEFAULTFAST %s -// RUN: %clang_cc1 -triple=x86_64 -ffast-math -ffp-contract=off %s -emit-llvm -o - \ -// RUN:| FileCheck --check-prefix=CHECK-DEFAULTFAST %s -// RUN: %clang_cc1 -triple=x86_64 -ffast-math -ffp-contract=on %s -emit-llvm -o - \ -// RUN:| FileCheck --check-prefix=CHECK-ONFAST %s -// RUN: %clang_cc1 -triple=x86_64 -ffast-math -ffp-contract=fast %s -emit-llvm -o - \ -// RUN:| FileCheck --check-prefix=CHECK-FASTFAST %s -float mymuladd( float x, float y, float z ) { - return x * y + z; - // CHECK-DEFAULT: = fmul float - // CHECK-DEFAULT: = fadd float - - // CHECK-ON: = call float @llvm.fmuladd.f32 - - // CHECK-CONTRACTFAST: = fmul contract float - // CHECK-CONTRACTFAST: = fadd contract float - - // CHECK-DEFAULTFAST: = fmul reassoc nnan ninf nsz arcp afn float - // CHECK-DEFAULTFAST: = fadd reassoc nnan ninf nsz arcp afn float - - // CHECK-ONFAST: = call reassoc nnan ninf nsz arcp afn float @llvm.fmuladd.f32 - - // CHECK-FASTFAST: = fmul fast float - // CHECK-FASTFAST: = fadd fast float +// CHECK: fmadd + float x = a * b; + float y = x + c; + return y; } diff --git a/clang/test/CodeGen/ppc-emmintrin.c b/clang/test/CodeGen/ppc-emmintrin.c index 4a246ff92d762b..fa3801f50a019b 100644 --- a/clang/test/CodeGen/ppc-emmintrin.c +++ b/clang/test/CodeGen/ppc-emmintrin.c @@ -2,9 +2,9 @@ // REQUIRES: powerpc-registered-target // RUN: %clang -S -emit-llvm -target powerpc64-unknown-linux-gnu -mcpu=pwr8 -ffreestanding -DNO_WARN_X86_INTRINSICS %s \ -// RUN: -ffp-contract=off -fno-discard-value-names -mllvm -disable-llvm-optzns -o - | llvm-cxxfilt -n | FileCheck %s --check-prefixes=CHECK,CHECK-BE +// RUN: -fno-discard-value-names -mllvm -disable-llvm-optzns -o - | llvm-cxxfilt -n | FileCheck %s --check-prefixes=CHECK,CHECK-BE // RUN: %clang -S -emit-llvm -target powerpc64le-unknown-linux-gnu -mcpu=pwr8 -ffreestanding -DNO_WARN_X86_INTRINSICS %s \ -// RUN: -ffp-contract=off -fno-discard-value-names -mllvm -disable-llvm-optzns -o - | llvm-cxxfilt -n | FileCheck %s --check-prefixes=CHECK,CHECK-LE +// RUN: -fno-discard-value-names -mllvm -disable-llvm-optzns -o - | llvm-cxxfilt -n | FileCheck %s --check-prefixes=CHECK,CHECK-LE // CHECK-BE-DAG: @_mm_movemask_pd.perm_mask = internal constant <4 x i32> , align 16 // CHECK-BE-DAG: @_mm_shuffle_epi32.permute_selectors = internal constant [4 x i32] [i32 66051, i32 67438087, i32 134810123, i32 202182159], align 4 diff --git a/clang/test/CodeGen/ppc-xmmintrin.c b/clang/test/CodeGen/ppc-xmmintrin.c index a7f6ed6e0e6722..d3f18bfbb1e5b9 100644 --- a/clang/test/CodeGen/ppc-xmmintrin.c +++ b/clang/test/CodeGen/ppc-xmmintrin.c @@ -2,11 +2,11 @@ // REQUIRES: powerpc-registered-target // RUN: %clang -S -emit-llvm -target powerpc64-unknown-linux-gnu -mcpu=pwr8 -ffreestanding -DNO_WARN_X86_INTRINSICS %s \ -// RUN: -ffp-contract=off -fno-discard-value-names -mllvm -disable-llvm-optzns -o - | llvm-cxxfilt -n | FileCheck %s --check-prefixes=CHECK,CHECK-BE +// RUN: -fno-discard-value-names -mllvm -disable-llvm-optzns -o - | llvm-cxxfilt -n | FileCheck %s --check-prefixes=CHECK,CHECK-BE // RUN: %clang -x c++ -fsyntax-only -target powerpc64-unknown-linux-gnu -mcpu=pwr8 -ffreestanding -DNO_WARN_X86_INTRINSICS %s \ // RUN: -fno-discard-value-names -mllvm -disable-llvm-optzns // RUN: %clang -S -emit-llvm -target powerpc64le-unknown-linux-gnu -mcpu=pwr8 -ffreestanding -DNO_WARN_X86_INTRINSICS %s \ -// RUN: -ffp-contract=off -fno-discard-value-names -mllvm -disable-llvm-optzns -o - | llvm-cxxfilt -n | FileCheck %s --check-prefixes=CHECK,CHECK-LE +// RUN: -fno-discard-value-names -mllvm -disable-llvm-optzns -o - | llvm-cxxfilt -n | FileCheck %s --check-prefixes=CHECK,CHECK-LE // RUN: %clang -x c++ -fsyntax-only -target powerpc64le-unknown-linux-gnu -mcpu=pwr8 -ffreestanding -DNO_WARN_X86_INTRINSICS %s \ // RUN: -fno-discard-value-names -mllvm -disable-llvm-optzns diff --git a/clang/test/Driver/fp-model.c b/clang/test/Driver/fp-model.c index c6d683e25c0b2f..5fa9d110dd836b 100644 --- a/clang/test/Driver/fp-model.c +++ b/clang/test/Driver/fp-model.c @@ -1,90 +1,88 @@ // Test that incompatible combinations of -ffp-model= options // and other floating point options get a warning diagnostic. +// +// REQUIRES: clang-driver -// RUN: %clang -target x86_64 -### -ffp-model=fast -ffp-contract=off -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=fast -ffp-contract=off -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARN %s // WARN: warning: overriding '-ffp-model=fast' option with '-ffp-contract=off' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=fast -ffp-contract=on -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=fast -ffp-contract=on -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARN1 %s // WARN1: warning: overriding '-ffp-model=fast' option with '-ffp-contract=on' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=strict -fassociative-math -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=strict -fassociative-math -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARN2 %s // WARN2: warning: overriding '-ffp-model=strict' option with '-fassociative-math' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=strict -ffast-math -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=strict -ffast-math -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARN3 %s // WARN3: warning: overriding '-ffp-model=strict' option with '-ffast-math' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=strict -ffinite-math-only -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=strict -ffinite-math-only -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARN4 %s // WARN4: warning: overriding '-ffp-model=strict' option with '-ffinite-math-only' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=strict -ffp-contract=fast -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=strict -ffp-contract=fast -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARN5 %s // WARN5: warning: overriding '-ffp-model=strict' option with '-ffp-contract=fast' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=strict -ffp-contract=fast -c %s 2>&1 \ -// RUN: | FileCheck --check-prefix=WARN6 %s -// WARN6: warning: overriding '-ffp-model=strict' option with '-ffp-contract=fast' [-Woverriding-t-option] - -// RUN: %clang -target x86_64 -### -ffp-model=strict -ffp-contract=on -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=strict -ffp-contract=on -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARN7 %s // WARN7: warning: overriding '-ffp-model=strict' option with '-ffp-contract=on' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=strict -fno-honor-infinities -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=strict -fno-honor-infinities -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARN8 %s // WARN8: warning: overriding '-ffp-model=strict' option with '-fno-honor-infinities' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=strict -fno-honor-nans -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=strict -fno-honor-nans -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARN9 %s // WARN9: warning: overriding '-ffp-model=strict' option with '-fno-honor-nans' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=strict -fno-rounding-math -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=strict -fno-rounding-math -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARNa %s // WARNa: warning: overriding '-ffp-model=strict' option with '-fno-rounding-math' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=strict -fno-signed-zeros -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=strict -fno-signed-zeros -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARNb %s // WARNb: warning: overriding '-ffp-model=strict' option with '-fno-signed-zeros' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=strict -fno-trapping-math -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=strict -fno-trapping-math -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARNc %s // WARNc: warning: overriding '-ffp-model=strict' option with '-fno-trapping-math' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=strict -freciprocal-math -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=strict -freciprocal-math -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARNd %s // WARNd: warning: overriding '-ffp-model=strict' option with '-freciprocal-math' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=strict -funsafe-math-optimizations -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=strict -funsafe-math-optimizations -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARNe %s // WARNe: warning: overriding '-ffp-model=strict' option with '-funsafe-math-optimizations' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=strict -Ofast -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=strict -Ofast -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARNf %s // WARNf: warning: overriding '-ffp-model=strict' option with '-Ofast' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -ffp-model=strict -fdenormal-fp-math=preserve-sign,preserve-sign -c %s 2>&1 \ +// RUN: %clang -### -ffp-model=strict -fdenormal-fp-math=preserve-sign,preserve-sign -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=WARN10 %s // WARN10: warning: overriding '-ffp-model=strict' option with '-fdenormal-fp-math=preserve-sign,preserve-sign' [-Woverriding-t-option] -// RUN: %clang -target x86_64 -### -c %s 2>&1 \ +// RUN: %clang -### -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=CHECK-NOROUND %s // CHECK-NOROUND: "-cc1" // CHECK-NOROUND: "-fno-rounding-math" -// RUN: %clang -target x86_64 -### -frounding-math -c %s 2>&1 \ +// RUN: %clang -### -frounding-math -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=CHECK-ROUND --implicit-check-not ffp-exception-behavior=strict %s // CHECK-ROUND: "-cc1" // CHECK-ROUND: "-frounding-math" -// RUN: %clang -target x86_64 -### -ftrapping-math -c %s 2>&1 \ +// RUN: %clang -### -ftrapping-math -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=CHECK-TRAP %s // CHECK-TRAP: "-cc1" // CHECK-TRAP: "-ffp-exception-behavior=strict" -// RUN: %clang -target x86_64 -### -nostdinc -ffp-model=fast -c %s 2>&1 \ +// RUN: %clang -### -nostdinc -ffp-model=fast -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=CHECK-FPM-FAST %s // CHECK-FPM-FAST: "-cc1" // CHECK-FPM-FAST: "-menable-no-infs" @@ -98,35 +96,34 @@ // CHECK-FPM-FAST: "-ffast-math" // CHECK-FPM-FAST: "-ffinite-math-only" -// RUN: %clang -target x86_64 -### -nostdinc -ffp-model=precise -c %s 2>&1 \ +// RUN: %clang -### -nostdinc -ffp-model=precise -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=CHECK-FPM-PRECISE %s // CHECK-FPM-PRECISE: "-cc1" -// CHECK-FPM-PRECISE: "-ffp-contract=on" +// CHECK-FPM-PRECISE: "-ffp-contract=fast" // CHECK-FPM-PRECISE: "-fno-rounding-math" -// RUN: %clang -target x86_64 -### -nostdinc -ffp-model=strict -c %s 2>&1 \ +// RUN: %clang -### -nostdinc -ffp-model=strict -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=CHECK-FPM-STRICT %s // CHECK-FPM-STRICT: "-cc1" -// CHECK-FPM-STRICT: "-fmath-errno" -// CHECK-FPM-STRICT: "-ffp-contract=off" // CHECK-FPM-STRICT: "-frounding-math" // CHECK-FPM-STRICT: "-ffp-exception-behavior=strict" -// RUN: %clang -target x86_64 -### -nostdinc -ffp-exception-behavior=strict -c %s 2>&1 \ +// RUN: %clang -### -nostdinc -ffp-exception-behavior=strict -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=CHECK-FEB-STRICT %s // CHECK-FEB-STRICT: "-cc1" // CHECK-FEB-STRICT: "-fno-rounding-math" // CHECK-FEB-STRICT: "-ffp-exception-behavior=strict" -// RUN: %clang -target x86_64 -### -nostdinc -ffp-exception-behavior=maytrap -c %s 2>&1 \ +// RUN: %clang -### -nostdinc -ffp-exception-behavior=maytrap -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=CHECK-FEB-MAYTRAP %s // CHECK-FEB-MAYTRAP: "-cc1" // CHECK-FEB-MAYTRAP: "-fno-rounding-math" // CHECK-FEB-MAYTRAP: "-ffp-exception-behavior=maytrap" -// RUN: %clang -target x86_64 -### -nostdinc -ffp-exception-behavior=ignore -c %s 2>&1 \ +// RUN: %clang -### -nostdinc -ffp-exception-behavior=ignore -c %s 2>&1 \ // RUN: | FileCheck --check-prefix=CHECK-FEB-IGNORE %s // CHECK-FEB-IGNORE: "-cc1" // CHECK-FEB-IGNORE: "-fno-rounding-math" // CHECK-FEB-IGNORE: "-ffp-exception-behavior=ignore" +