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fix a few "dead stores" warnings

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This commit is contained in:
Gael Guennebaud 2013-10-26 13:59:02 +02:00
parent a0e8577b49
commit 9f3f42d66a
1 changed files with 6 additions and 4 deletions
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10
Eigen/src/Core/arch/SSE/MathFunctions.h
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@ -126,7 +126,7 @@ Packet4f pexp<Packet4f>(const Packet4f& _x)
_EIGEN_DECLARE_CONST_Packet4f(cephes_exp_p4, 1.6666665459E-1f);
_EIGEN_DECLARE_CONST_Packet4f(cephes_exp_p5, 5.0000001201E-1f);
Packet4f tmp = _mm_setzero_ps(), fx;
Packet4f tmp, fx;
Packet4i emm0;
// clamp x
@ -138,6 +138,7 @@ Packet4f pexp<Packet4f>(const Packet4f& _x)
#ifdef EIGEN_VECTORIZE_SSE4_1
fx = _mm_floor_ps(fx);
#else
tmp = _mm_setzero_ps();
emm0 = _mm_cvttps_epi32(fx);
tmp = _mm_cvtepi32_ps(emm0);
/* if greater, substract 1 */
@ -195,7 +196,7 @@ Packet2d pexp<Packet2d>(const Packet2d& _x)
_EIGEN_DECLARE_CONST_Packet2d(cephes_exp_C2, 1.42860682030941723212e-6);
static const __m128i p4i_1023_0 = _mm_setr_epi32(1023, 1023, 0, 0);
Packet2d tmp = _mm_setzero_pd(), fx;
Packet2d tmp, fx;
Packet4i emm0;
// clamp x
@ -206,6 +207,7 @@ Packet2d pexp<Packet2d>(const Packet2d& _x)
#ifdef EIGEN_VECTORIZE_SSE4_1
fx = _mm_floor_pd(fx);
#else
tmp = _mm_setzero_pd();
emm0 = _mm_cvttpd_epi32(fx);
tmp = _mm_cvtepi32_pd(emm0);
/* if greater, substract 1 */
@ -279,7 +281,7 @@ Packet4f psin<Packet4f>(const Packet4f& _x)
_EIGEN_DECLARE_CONST_Packet4f(coscof_p2, 4.166664568298827E-002f);
_EIGEN_DECLARE_CONST_Packet4f(cephes_FOPI, 1.27323954473516f); // 4 / M_PI
Packet4f xmm1, xmm2 = _mm_setzero_ps(), xmm3, sign_bit, y;
Packet4f xmm1, xmm2, xmm3, sign_bit, y;
Packet4i emm0, emm2;
sign_bit = x;
@ -378,7 +380,7 @@ Packet4f pcos<Packet4f>(const Packet4f& _x)
_EIGEN_DECLARE_CONST_Packet4f(coscof_p2, 4.166664568298827E-002f);
_EIGEN_DECLARE_CONST_Packet4f(cephes_FOPI, 1.27323954473516f); // 4 / M_PI
Packet4f xmm1, xmm2 = _mm_setzero_ps(), xmm3, y;
Packet4f xmm1, xmm2, xmm3, y;
Packet4i emm0, emm2;
x = pabs(x);