From 3755f5c18e782498e84dc9148defa3236fe0c1e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fl=C3=B6ssie?= <floessie.mail@gmail.com>
Date: Mon, 8 Jan 2018 17:57:21 +0100
Subject: [PATCH] Fix i586 build by @heckflosse (#4284)

---
 rtengine/color.cc     |  4 ++--
 rtengine/improcfun.cc | 12 ++++++------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/rtengine/color.cc b/rtengine/color.cc
index dbabb217b..706d0f36d 100644
--- a/rtengine/color.cc
+++ b/rtengine/color.cc
@@ -1786,7 +1786,7 @@ void Color::Lab2XYZ(vfloat L, vfloat a, vfloat b, vfloat &x, vfloat &y, vfloat &
 void Color::RGB2Lab(float *R, float *G, float *B, float *L, float *a, float *b, const float wp[3][3], int width)
 {
 
-#ifdef __SSE2__
+#if defined( __SSE2__ ) && defined( __x86_64__ )
     vfloat maxvalfv = F2V(MAXVALF);
     vfloat c116v = F2V(116.f);
     vfloat c5242d88v = F2V(5242.88f);
@@ -1794,7 +1794,7 @@ void Color::RGB2Lab(float *R, float *G, float *B, float *L, float *a, float *b,
     vfloat c200v = F2V(200.f);
 #endif
     int i = 0;
-#ifdef __SSE2__
+#if defined( __SSE2__ ) && defined( __x86_64__ )
     for(;i < width - 3; i+=4) {
         const vfloat rv = LVFU(R[i]);
         const vfloat gv = LVFU(G[i]);
diff --git a/rtengine/improcfun.cc b/rtengine/improcfun.cc
index 61b1809e0..569ba42f1 100644
--- a/rtengine/improcfun.cc
+++ b/rtengine/improcfun.cc
@@ -54,7 +54,7 @@ using namespace rtengine;
 // begin of helper function for rgbProc()
 void shadowToneCurve(const LUTf &shtonecurve, float *rtemp, float *gtemp, float *btemp, int istart, int tH, int jstart, int tW, int tileSize) {
 
-#ifdef __SSE2__
+#if defined( __SSE2__ ) && defined( __x86_64__ )
     vfloat cr = F2V(0.299f);
     vfloat cg = F2V(0.587f);
     vfloat cb = F2V(0.114f);
@@ -62,7 +62,7 @@ void shadowToneCurve(const LUTf &shtonecurve, float *rtemp, float *gtemp, float
 
     for (int i = istart, ti = 0; i < tH; i++, ti++) {
         int j = jstart, tj = 0;
-#ifdef __SSE2__
+#if defined( __SSE2__ ) && defined( __x86_64__ )
         for (; j < tW - 3; j+=4, tj+=4) {
 
             vfloat rv = LVF(rtemp[ti * tileSize + tj]);
@@ -95,14 +95,14 @@ void shadowToneCurve(const LUTf &shtonecurve, float *rtemp, float *gtemp, float
 
 void highlightToneCurve(const LUTf &hltonecurve, float *rtemp, float *gtemp, float *btemp, int istart, int tH, int jstart, int tW, int tileSize, float exp_scale, float comp, float hlrange) {
 
-#ifdef __SSE2__
+#if defined( __SSE2__ ) && defined( __x86_64__ )
     vfloat threev = F2V(3.f);
     vfloat maxvalfv = F2V(MAXVALF);
 #endif
 
     for (int i = istart, ti = 0; i < tH; i++, ti++) {
         int j = jstart, tj = 0;
-#ifdef __SSE2__
+#if defined( __SSE2__ ) && defined( __x86_64__ )
         for (; j < tW - 3; j+=4, tj+=4) {
 
             vfloat rv = LVF(rtemp[ti * tileSize + tj]);
@@ -159,7 +159,7 @@ void proPhotoBlue(float *rtemp, float *gtemp, float *btemp, int istart, int tH,
     // this is a hack to avoid the blue=>black bug (Issue 2141)
     for (int i = istart, ti = 0; i < tH; i++, ti++) {
         int j = jstart, tj = 0;
-#ifdef __SSE2__
+#if defined( __SSE2__ ) && defined( __x86_64__ )
         for (; j < tW - 3; j+=4, tj+=4) {
             vfloat rv = LVF(rtemp[ti * tileSize + tj]);
             vfloat gv = LVF(gtemp[ti * tileSize + tj]);
@@ -3763,7 +3763,7 @@ void ImProcFunctions::rgbProc (Imagefloat* working, LabImage* lab, PipetteBuffer
                 } else {
                     for (int i = istart, ti = 0; i < tH; i++, ti++) {
                         int j = jstart, tj = 0;
-#ifdef __SSE2__
+#if defined( __SSE2__ ) && defined( __x86_64__ )
                         for (; j < tW - 3; j+=4, tj+=4) {
                             //brightness/contrast
                             STVF(rtemp[ti * TS + tj], tonecurve(LVF(rtemp[ti * TS + tj])));