From: Andreas Beckmann <anbe@debian.org>
Date: Mon, 14 Aug 2023 10:17:57 +0000 (+0200)
Subject: [PATCH 235/240] add i386 distro builds for i386, i686, mmx, sse
X-Git-Tag: archive/raspbian/4.0-3+rpi1^2~7
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=560a9347ec348e049109761f95c05aa41c94685a;p=pocl.git

[PATCH 235/240] add i386 distro builds for i386, i686, mmx, sse


Gbp-Pq: Name 0235-add-i386-distro-builds-for-i386-i686-mmx-sse.patch
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 11bc238..7ccd141 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1365,6 +1365,9 @@ if(KERNELLIB_HOST_CPU_VARIANTS STREQUAL "distro")
   endif()
   if(X86_64 OR I386)
     set(KERNELLIB_HOST_CPU_VARIANTS sse2 ssse3 sse41 avx avx_f16c avx_fma4 avx2 avx512)
+    if(I386)
+      set(KERNELLIB_HOST_CPU_VARIANTS i386 i686 mmx sse ${KERNELLIB_HOST_CPU_VARIANTS})
+    endif()
   elseif(POWERPC64LE)
     set(KERNELLIB_HOST_CPU_VARIANTS pwr8 pwr9)
   elseif(APPLE AND ARM64)
diff --git a/lib/CL/pocl_llvm_utils.cc b/lib/CL/pocl_llvm_utils.cc
index 61cd41e..3c85061 100644
--- a/lib/CL/pocl_llvm_utils.cc
+++ b/lib/CL/pocl_llvm_utils.cc
@@ -166,7 +166,22 @@ const struct kernellib_features {
 } kernellib_feature_map[] = {
 // order the entries s.t. if a cpu matches multiple entries, the "best" match
 // comes last
-#if defined(__x86_64__)
+#if defined(__i386__)
+    "i386",
+    "i386",
+    {NULL},
+    // FIXME: Can we distinguish i686 from i386 using feature flags?
+    "i686",
+    "i686",
+    {NULL},
+    "mmx",
+    "pentium-mmx",
+    {"mmx", NULL},
+    "sse",
+    "pentium3",
+    {"sse", NULL},
+#endif
+#if defined(__i386__) || defined(__x86_64__)
     "sse2",
     "athlon64",
     {"sse2", NULL},
diff --git a/lib/kernel/host/CMakeLists.txt b/lib/kernel/host/CMakeLists.txt
index 6caef5a..3ad332b 100644
--- a/lib/kernel/host/CMakeLists.txt
+++ b/lib/kernel/host/CMakeLists.txt
@@ -381,7 +381,23 @@ separate_arguments(DEVICE_C_FLAGS)
 
 function(x86_distro_variant_to_flags VARIANT OUT_LLC_FLAGS OUT_CLANG_FLAGS)
 
-  if("${VARIANT}" STREQUAL "sse2")
+  if("${VARIANT}" STREQUAL "i386")
+    set(CLANG_F "${CLANG_MARCH_FLAG}i386")
+    set(LLC_F "-mcpu=i386")
+
+  elseif("${VARIANT}" STREQUAL "i686")
+    set(CLANG_F "${CLANG_MARCH_FLAG}i686")
+    set(LLC_F "-mcpu=i686")
+
+  elseif("${VARIANT}" STREQUAL "mmx")
+    set(CLANG_F "${CLANG_MARCH_FLAG}pentium-mmx")
+    set(LLC_F "-mcpu=pentium-mmx")
+
+  elseif("${VARIANT}" STREQUAL "sse")
+    set(CLANG_F "${CLANG_MARCH_FLAG}pentium3")
+    set(LLC_F "-mcpu=pentium3")
+
+  elseif("${VARIANT}" STREQUAL "sse2")
     set(CLANG_F "${CLANG_MARCH_FLAG}athlon64")
     set(LLC_F "-mcpu=athlon64")