add set_fpmodels

3 files changed, 51 insertions, 0 deletions

diff --git a/xmake/modules/core/tools/cl.lua b/xmake/modules/core/tools/cl.lua
index eddd61720..4be07f30b 100644
--- a/xmake/modules/core/tools/cl.lua
+++ b/xmake/modules/core/tools/cl.lua
@@ -113,6 +113,19 @@ function nf_symbol(self, level, target)
     return flags
 end
 
+-- make the fp-model flag
+function nf_fpmodel(self, level)
+    local maps =
+    {
+        precise    = "-fp:precise" -- default
+    ,   fast       = "-fp:fast"
+    ,   strict     = "-fp:strict"
+    ,   except     = "-fp:except"
+    ,   noexcept   = "-fp:except-"
+    }
+    return maps[level]
+end
+
 -- make the warning flag
 function nf_warning(self, level)
 
diff --git a/xmake/modules/core/tools/clang.lua b/xmake/modules/core/tools/clang.lua
index 2be9803be..549bdaae1 100644
--- a/xmake/modules/core/tools/clang.lua
+++ b/xmake/modules/core/tools/clang.lua
@@ -71,6 +71,31 @@ function init(self)
 
 end
 
+-- make the fp-model flag
+function nf_fpmodel(self, level)
+    local maps
+    if self:has_flags("-ffp-model=fast") then
+        maps =
+        {
+            precise    = "-ffp-model=precise"
+        ,   fast       = "-ffp-model=fast"
+        ,   strict     = "-ffp-model=strict"
+        ,   except     = "-ftrapping-math"
+        ,   noexcept   = "-fno-trapping-math"
+        }
+    else
+        maps =
+        {
+            precise    = "" -- default
+        ,   fast       = "-ffast-math"
+        ,   strict     = {"-frounding-math", "-ftrapping-math"}
+        ,   except     = "-ftrapping-math"
+        ,   noexcept   = "-fno-trapping-math"
+        }
+    end
+    return maps[level]
+end
+
 -- make the optimize flag
 function nf_optimize(self, level)
     local maps =
diff --git a/xmake/modules/core/tools/gcc.lua b/xmake/modules/core/tools/gcc.lua
index 22efda1fd..352153e57 100644
--- a/xmake/modules/core/tools/gcc.lua
+++ b/xmake/modules/core/tools/gcc.lua
@@ -117,6 +117,19 @@ function nf_warning(self, level)
     return maps[level]
 end
 
+-- make the fp-model flag
+function nf_fpmodel(self, level)
+    local maps =
+    {
+        precise    = "" --default
+    ,   fast       = "-ffast-math"
+    ,   strict     = {"-frounding-math", "-ftrapping-math"}
+    ,   except     = "-ftrapping-math"
+    ,   noexcept   = "-fno-trapping-math"
+    }
+    return maps[level]
+end
+
 -- make the optimize flag
 function nf_optimize(self, level)
     local maps =