From 7ef585e3bb164b02d7a6116b26456d8f97dd571c Mon Sep 17 00:00:00 2001
From: Martin Reinecke <martin@mpa-garching.mpg.de>
Date: Mon, 21 Jan 2019 11:30:05 +0100
Subject: [PATCH] cleanup

---
 Makefile.am                   | 21 ++++++++++-----------
 libsharp/sharp_core.c         |  6 ++----
 libsharp/sharp_core_avx.c     |  8 --------
 libsharp/sharp_core_avx2.c    |  8 --------
 libsharp/sharp_core_avx512f.c |  8 --------
 libsharp/sharp_core_fma.c     |  8 --------
 libsharp/sharp_core_fma4.c    |  8 --------
 libsharp/sharp_core_inc.c     |  8 ++++++++
 8 files changed, 20 insertions(+), 55 deletions(-)
 delete mode 100644 libsharp/sharp_core_avx.c
 delete mode 100644 libsharp/sharp_core_avx2.c
 delete mode 100644 libsharp/sharp_core_avx512f.c
 delete mode 100644 libsharp/sharp_core_fma.c
 delete mode 100644 libsharp/sharp_core_fma4.c

diff --git a/Makefile.am b/Makefile.am
index a51f568..b0b09ee 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -18,11 +18,11 @@ libsharp_la_SOURCES = \
   libsharp/sharp_vecsupport.h \
   libsharp/sharp_ylmgen_c.h
 
-libavx_la_SOURCES = libsharp/sharp_core_avx.c
-libavx2_la_SOURCES = libsharp/sharp_core_avx2.c
-libfma_la_SOURCES = libsharp/sharp_core_fma.c
-libfma4_la_SOURCES = libsharp/sharp_core_fma4.c
-libavx512f_la_SOURCES = libsharp/sharp_core_avx512f.c
+libavx_la_SOURCES = libsharp/sharp_core_inc.c
+libavx2_la_SOURCES = libsharp/sharp_core_inc.c
+libfma_la_SOURCES = libsharp/sharp_core_inc.c
+libfma4_la_SOURCES = libsharp/sharp_core_inc.c
+libavx512f_la_SOURCES = libsharp/sharp_core_inc.c
 
 noinst_LTLIBRARIES = libavx.la libavx2.la libfma.la libfma4.la libavx512f.la
 
@@ -35,7 +35,6 @@ include_HEADERS = \
   libsharp/sharp_cxx.h
 
 EXTRA_DIST = \
-  libsharp/sharp_core_inc.c \
   runtest.sh
 
 check_PROGRAMS = sharp_testsuite
@@ -46,11 +45,11 @@ TESTS = runtest.sh
 
 AM_CFLAGS = -I$(top_srcdir)/c_utils -I$(top_srcdir)/libsharp @AM_CFLAGS@
 
-libavx_la_CFLAGS = ${AM_CFLAGS} -mavx
-libavx2_la_CFLAGS = ${AM_CFLAGS} -mavx2
-libfma_la_CFLAGS = ${AM_CFLAGS} -mfma
-libfma4_la_CFLAGS = ${AM_CFLAGS} -mfma4
-libavx512f_la_CFLAGS = ${AM_CFLAGS} -mavx512f
+libavx_la_CFLAGS = ${AM_CFLAGS} -mavx -DARCH=avx
+libavx2_la_CFLAGS = ${AM_CFLAGS} -mavx2 -DARCH=avx2
+libfma_la_CFLAGS = ${AM_CFLAGS} -mfma -DARCH=fma
+libfma4_la_CFLAGS = ${AM_CFLAGS} -mfma4 -DARCH=fma4
+libavx512f_la_CFLAGS = ${AM_CFLAGS} -mavx512f -DARCH=avx512f
 
 pkgconfigdir = $(libdir)/pkgconfig
 nodist_pkgconfig_DATA = @PACKAGE_NAME@.pc
diff --git a/libsharp/sharp_core.c b/libsharp/sharp_core.c
index e4c1059..6cfb694 100644
--- a/libsharp/sharp_core.c
+++ b/libsharp/sharp_core.c
@@ -1,9 +1,7 @@
-#define XCONCATX(a,b) a##_##b
-#define XCONCATX2(a,b) XCONCATX(a,b)
-#define XARCH(a) XCONCATX2(a,ARCH)
-
 #define ARCH default
+#define GENERIC_ARCH
 #include "sharp_core_inc.c"
+#undef GENERIC_ARCH
 #undef ARCH
 
 typedef void (*t_inner_loop) (sharp_job *job, const int *ispair,
diff --git a/libsharp/sharp_core_avx.c b/libsharp/sharp_core_avx.c
deleted file mode 100644
index 053dfba..0000000
--- a/libsharp/sharp_core_avx.c
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifdef MULTIARCH
-#define XCONCATX(a,b) a##_##b
-#define XCONCATX2(a,b) XCONCATX(a,b)
-#define XARCH(a) XCONCATX2(a,ARCH)
-
-#define ARCH avx
-#include "sharp_core_inc.c"
-#endif
diff --git a/libsharp/sharp_core_avx2.c b/libsharp/sharp_core_avx2.c
deleted file mode 100644
index ca0a3b9..0000000
--- a/libsharp/sharp_core_avx2.c
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifdef MULTIARCH
-#define XCONCATX(a,b) a##_##b
-#define XCONCATX2(a,b) XCONCATX(a,b)
-#define XARCH(a) XCONCATX2(a,ARCH)
-
-#define ARCH avx2
-#include "sharp_core_inc.c"
-#endif
diff --git a/libsharp/sharp_core_avx512f.c b/libsharp/sharp_core_avx512f.c
deleted file mode 100644
index 5781e3c..0000000
--- a/libsharp/sharp_core_avx512f.c
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifdef MULTIARCH
-#define XCONCATX(a,b) a##_##b
-#define XCONCATX2(a,b) XCONCATX(a,b)
-#define XARCH(a) XCONCATX2(a,ARCH)
-
-#define ARCH avx512f
-#include "sharp_core_inc.c"
-#endif
diff --git a/libsharp/sharp_core_fma.c b/libsharp/sharp_core_fma.c
deleted file mode 100644
index bb0af2c..0000000
--- a/libsharp/sharp_core_fma.c
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifdef MULTIARCH
-#define XCONCATX(a,b) a##_##b
-#define XCONCATX2(a,b) XCONCATX(a,b)
-#define XARCH(a) XCONCATX2(a,ARCH)
-
-#define ARCH fma
-#include "sharp_core_inc.c"
-#endif
diff --git a/libsharp/sharp_core_fma4.c b/libsharp/sharp_core_fma4.c
deleted file mode 100644
index 9b7f67b..0000000
--- a/libsharp/sharp_core_fma4.c
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifdef MULTIARCH
-#define XCONCATX(a,b) a##_##b
-#define XCONCATX2(a,b) XCONCATX(a,b)
-#define XARCH(a) XCONCATX2(a,ARCH)
-
-#define ARCH fma4
-#include "sharp_core_inc.c"
-#endif
diff --git a/libsharp/sharp_core_inc.c b/libsharp/sharp_core_inc.c
index d229a49..96981f6 100644
--- a/libsharp/sharp_core_inc.c
+++ b/libsharp/sharp_core_inc.c
@@ -29,6 +29,12 @@
  *  \author Martin Reinecke
  */
 
+#if (defined(MULTIARCH) || defined(GENERIC_ARCH))
+
+#define XCONCATX(a,b) a##_##b
+#define XCONCATX2(a,b) XCONCATX(a,b)
+#define XARCH(a) XCONCATX2(a,ARCH)
+
 #include <complex.h>
 #include <math.h>
 #include <string.h>
@@ -1179,3 +1185,5 @@ const char *XARCH(sharp_architecture)(void)
   {
   return xstr(ARCH);
   }
+
+#endif