Add llvm.minnum.f(32|64) and llvm.maxnum.f(32|64) intrinsics

This fixes #5976. I’m using #4353 as a model.

Author: varkor

AUTHORS

@@ -318,4 +318,5 @@ a license to everyone to use it as detailed in LICENSE.)
 * Dannii Willis <[email protected]>
 * Erik Dubbelboer <[email protected]>
 * Sergey Tsatsulin <[email protected]>
+* varkor <[email protected]>
 

src/library.js

@@ -1582,6 +1582,10 @@ LibraryManager.library = {
   llvm_floor_f64: 'Math_floor',
   llvm_round_f32: 'Math_round',
   llvm_round_f64: 'Math_round',
+  llvm_minnum_f32: 'Math_min',
+  llvm_minnum_f64: 'Math_min',
+  llvm_maxnum_f32: 'Math_max',
+  llvm_maxnum_f64: 'Math_max',
 
   llvm_exp2_f32: function(x) {
     return Math.pow(2, x);

src/preamble.js

@@ -1735,6 +1735,7 @@ var Math_imul = Math.imul;
 var Math_fround = Math.fround;
 var Math_round = Math.round;
 var Math_min = Math.min;
+var Math_max = Math.max;
 var Math_clz32 = Math.clz32;
 var Math_trunc = Math.trunc;
 

tests/core/test_llvm_intrinsics.cpp

@@ -37,6 +37,10 @@ extern double llvm_copysign_f64(double x, double y);
 
 extern double llvm_round_f64(double x);
 extern double llvm_round_f32(double x);
+extern float llvm_minnum_f32(float x, float y);
+extern double llvm_minnum_f64(double x, double y);
+extern float llvm_maxnum_f32(float x, float y);
+extern double llvm_maxnum_f64(double x, double y);
 }
 
 int main(void) {
@@ -136,6 +140,16 @@ int main(void) {
   printf("llvm_round_f32 %.1f\n", llvm_round_f32(-20.5));
   printf("llvm_round_f32 %.1f\n", llvm_round_f32(-20.51));
 
+  printf("llvm_minnum_f32 %.1f\n", llvm_minnum_f32(5.7, 10.2));
+  printf("llvm_minnum_f32 %.1f\n", llvm_minnum_f32(8.5, 2.3));
+  printf("llvm_minnum_f64 %.1f\n", llvm_minnum_f64(5.7, 10.2));
+  printf("llvm_minnum_f64 %.1f\n", llvm_minnum_f64(8.5, 2.3));
+
+  printf("llvm_maxnum_f32 %.1f\n", llvm_maxnum_f32(5.7, 10.2));
+  printf("llvm_maxnum_f32 %.1f\n", llvm_maxnum_f32(8.5, 2.3));
+  printf("llvm_maxnum_f64 %.1f\n", llvm_maxnum_f64(5.7, 10.2));
+  printf("llvm_maxnum_f64 %.1f\n", llvm_maxnum_f64(8.5, 2.3));
+
   printf("llvm_copysign_f32 %.1f\n", llvm_copysign_f32(-1.2, 3.4));
   printf("llvm_copysign_f32 %.1f\n", llvm_copysign_f32(5.6, -7.8));
   printf("llvm_copysign_f32 %.1f\n", llvm_copysign_f32(-1.3, -2.4));

tests/core/test_llvm_intrinsics.out

@@ -69,6 +69,14 @@ llvm_round_f32 21.0
 llvm_round_f32 42.0
 llvm_round_f32 -20.0
 llvm_round_f32 -21.0
+llvm_minnum_f32 5.7
+llvm_minnum_f32 2.3
+llvm_minnum_f64 5.7
+llvm_minnum_f64 2.3
+llvm_maxnum_f32 10.2
+llvm_maxnum_f32 8.5
+llvm_maxnum_f64 10.2
+llvm_maxnum_f64 8.5
 llvm_copysign_f32 1.2
 llvm_copysign_f32 -5.6
 llvm_copysign_f32 -1.3