[gcc r14-6393] Support vpcmov for V4HF/V4BF/V2HF/V2BF under TARGET_XOP.

[hongtao Liu]

https://gcc.gnu.org/g:2c2df123de432356d28ee7e8a9627dc9e80a399d

commit r14-6393-g2c2df123de432356d28ee7e8a9627dc9e80a399d
Author: liuhongt <hongtao.liu@intel.com>
Date:   Fri Dec 8 11:19:52 2023 +0800

    Support vpcmov for V4HF/V4BF/V2HF/V2BF under TARGET_XOP.
    
    gcc/ChangeLog:
    
            PR target/112904
            * config/i386/mmx.md (*xop_pcmov_<mode>): New define_insn.
    
    gcc/testsuite/ChangeLog:
    
            * g++.target/i386/pr112904.C: New test.

Diff:
---
 gcc/config/i386/mmx.md                   | 22 ++++++++++++++++++++++
 gcc/testsuite/g++.target/i386/pr112904.C | 27 +++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)

diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md
index a07a921b739..06d6c57876b 100644
--- a/gcc/config/i386/mmx.md
+++ b/gcc/config/i386/mmx.md
@@ -4136,6 +4136,17 @@
   [(set_attr "type" "sse4arg")
    (set_attr "mode" "TI")])
 
+(define_insn "*xop_pcmov_<mode>"
+  [(set (match_operand:V4F_64 0 "register_operand" "=x")
+        (if_then_else:V4F_64
+          (match_operand:V4F_64 3 "register_operand" "x")
+          (match_operand:V4F_64 1 "register_operand" "x")
+          (match_operand:V4F_64 2 "register_operand" "x")))]
+  "TARGET_XOP && TARGET_MMX_WITH_SSE"
+  "vpcmov\t{%3, %2, %1, %0|%0, %1, %2, %3}"
+  [(set_attr "type" "sse4arg")
+   (set_attr "mode" "TI")])
+
 (define_insn "*xop_pcmov_<mode>"
   [(set (match_operand:VI_16_32 0 "register_operand" "=x")
         (if_then_else:VI_16_32
@@ -4147,6 +4158,17 @@
   [(set_attr "type" "sse4arg")
    (set_attr "mode" "TI")])
 
+(define_insn "*xop_pcmov_<mode>"
+  [(set (match_operand:V2F_32 0 "register_operand" "=x")
+        (if_then_else:V2F_32
+          (match_operand:V2F_32 3 "register_operand" "x")
+          (match_operand:V2F_32 1 "register_operand" "x")
+          (match_operand:V2F_32 2 "register_operand" "x")))]
+  "TARGET_XOP"
+  "vpcmov\t{%3, %2, %1, %0|%0, %1, %2, %3}"
+  [(set_attr "type" "sse4arg")
+   (set_attr "mode" "TI")])
+
 ;; XOP permute instructions
 (define_insn "mmx_ppermv64"
   [(set (match_operand:V8QI 0 "register_operand" "=x")
diff --git a/gcc/testsuite/g++.target/i386/pr112904.C b/gcc/testsuite/g++.target/i386/pr112904.C
new file mode 100644
index 00000000000..556be921197
--- /dev/null
+++ b/gcc/testsuite/g++.target/i386/pr112904.C
@@ -0,0 +1,27 @@
+typedef _Float16 v4hf __attribute__((vector_size(8)));
+typedef short v4hi __attribute__((vector_size(8)));
+typedef _Float16 v2hf __attribute__((vector_size(4)));
+typedef short v2hi __attribute__((vector_size(4)));
+
+typedef __bf16 v4bf __attribute__((vector_size(8)));
+typedef __bf16 v2bf __attribute__((vector_size(4)));
+
+v4hf foo(v4hf a, v4hf b, v4hi c)
+{
+  return c ? a : b;
+}
+
+v2hf foo1(v2hf a, v2hf b, v2hi c)
+{
+  return c ? a : b;
+}
+
+v4bf foo(v4bf a, v4bf b, v4hi c)
+{
+  return c ? a : b;
+}
+
+v2bf foo1(v2bf a, v2bf b, v2hi c)
+{
+  return c ? a : b;
+}