gcc/ChangeLog:
2020-05-11 Uroš Bizjak <ubiz...@gmail.com>
PR target/95046
* config/i386/mmx.md (sqrtv2sf2): New insn pattern.
testsuite/ChangeLog:
2020-05-11 Uroš Bizjak <ubiz...@gmail.com>
PR target/95046
* gcc.target/i386/pr95046-1.c (test_sqrt): Add.
Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.
Uros.
diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md
index 7d76c631a77..a8f603b94f8 100644
--- a/gcc/config/i386/mmx.md
+++ b/gcc/config/i386/mmx.md
@@ -461,6 +461,20 @@
(set_attr "prefix_extra" "1")
(set_attr "mode" "V2SF")])
+(define_insn "sqrtv2sf2"
+ [(set (match_operand:V2SF 0 "register_operand" "=x,v")
+ (sqrt:V2SF (match_operand:V2SF 1 "register_operand" "0,v")))]
+ "TARGET_MMX_WITH_SSE"
+ "@
+ sqrtps\t{%1, %0|%0, %1}
+ vsqrtps\t{%1, %0|%0, %1}"
+ [(set_attr "isa" "noavx,avx")
+ (set_attr "type" "sse")
+ (set_attr "atom_sse_attr" "sqrt")
+ (set_attr "btver2_sse_attr" "sqrt")
+ (set_attr "prefix" "orig,vex")
+ (set_attr "mode" "V4SF")])
+
(define_insn "mmx_rsqrtv2sf2"
[(set (match_operand:V2SF 0 "register_operand" "=y")
(unspec:V2SF [(match_operand:V2SF 1 "nonimmediate_operand" "ym")]
diff --git a/gcc/testsuite/gcc.target/i386/pr95046-1.c
b/gcc/testsuite/gcc.target/i386/pr95046-1.c
index f93d9e1a507..7adc2069c53 100644
--- a/gcc/testsuite/gcc.target/i386/pr95046-1.c
+++ b/gcc/testsuite/gcc.target/i386/pr95046-1.c
@@ -49,3 +49,14 @@ test_max (void)
}
/* { dg-final { scan-assembler "maxps" } } */
+
+float sqrtf (float);
+
+void
+test_sqrt (void)
+{
+ for (int i = 0; i < 2; i++)
+ r[i] = sqrtf (a[i]);
+}
+
+/* { dg-final { scan-assembler "sqrtps" } } */
