1 files changed, 65 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/builtins/hexagon/sfdiv_opt.S b/contrib/llvm-project/compiler-rt/lib/builtins/hexagon/sfdiv_opt.S
new file mode 100644
index 000000000000..7c9ae14b718f
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/builtins/hexagon/sfdiv_opt.S
@@ -0,0 +1,65 @@
+//===----------------------Hexagon builtin routine ------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+	.macro FUNCTION_BEGIN name
+	.text
+	.p2align 5
+	.globl \name
+	.type  \name, @function
+\name:
+	.endm
+
+	.macro FUNCTION_END name
+	.size  \name, . - \name
+	.endm
+
+#define Q6_ALIAS(TAG) .global __qdsp_##TAG ; .set __qdsp_##TAG, __hexagon_##TAG
+#define FAST_ALIAS(TAG) .global __hexagon_fast_##TAG ; .set __hexagon_fast_##TAG, __hexagon_##TAG
+#define FAST2_ALIAS(TAG) .global __hexagon_fast2_##TAG ; .set __hexagon_fast2_##TAG, __hexagon_##TAG
+
+FUNCTION_BEGIN __hexagon_divsf3
+  {
+    r2,p0 = sfrecipa(r0,r1)
+    r4 = sffixupd(r0,r1)
+    r3 = ##0x3f800000   // 1.0
+  }
+  {
+    r5 = sffixupn(r0,r1)
+    r3 -= sfmpy(r4,r2):lib  // 1-(den/recip) yields error?
+    r6 = ##0x80000000
+    r7 = r3
+  }
+  {
+    r2 += sfmpy(r3,r2):lib
+    r3 = r7
+    r6 = r5
+    r0 = and(r6,r5)
+  }
+  {
+    r3 -= sfmpy(r4,r2):lib
+    r0 += sfmpy(r5,r2):lib
+  }
+  {
+    r2 += sfmpy(r3,r2):lib
+    r6 -= sfmpy(r0,r4):lib
+  }
+  {
+    r0 += sfmpy(r6,r2):lib
+  }
+  {
+    r5 -= sfmpy(r0,r4):lib
+  }
+  {
+    r0 += sfmpy(r5,r2,p0):scale
+    jumpr r31
+  }
+FUNCTION_END __hexagon_divsf3
+
+Q6_ALIAS(divsf3)
+FAST_ALIAS(divsf3)
+FAST2_ALIAS(divsf3)