https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125949
--- Comment #4 from vekumar at gcc dot gnu.org ---
Changing this pattern helps
--Snip--
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 912fc1af018..9d334f9115f 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -583,7 +583,7 @@
sse_noavx,sse2,sse2_noavx,sse3,sse3_noavx,sse4,sse4_noavx,
avx,noavx,avx2,noavx2,bmi,bmi2,fma4,fma,avx512f,noavx512f,
avx512bw,noavx512bw,avx512dq,noavx512dq,fma_or_avx512vl,
-
avx512vl,noavx512vl,avxvnni,avx512vnnivl,avx512fp16,avxifma,
+
avx512vl,noavx512vl,avxvnni,avxvnniint8,avx512vnnivl,avx512fp16,avxifma,
avx512ifmavl,avxneconvert,avx512bf16vl,vpclmulqdqvl,
avx_noavx512f,avx_noavx512vl,vaes_avx512vl,noapx_nf,avx10_2"
(const_string "base"))
@@ -967,6 +967,7 @@
(eq_attr "isa" "avx512vl") (symbol_ref "TARGET_AVX512VL")
(eq_attr "isa" "noavx512vl") (symbol_ref "!TARGET_AVX512VL")
(eq_attr "isa" "avxvnni") (symbol_ref "TARGET_AVXVNNI")
+ (eq_attr "isa" "avxvnniint8") (symbol_ref "TARGET_AVXVNNIINT8")
(eq_attr "isa" "avx512vnnivl")
(symbol_ref "TARGET_AVX512VNNI && TARGET_AVX512VL")
(eq_attr "isa" "avx512fp16")
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index bb150f6b5f9..3ab607a1197 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -32624,15 +32624,19 @@
})
(define_insn "vpdp<vpdotprodtype>_<mode>"
- [(set (match_operand:VI4_AVX 0 "register_operand" "=v")
+ [(set (match_operand:VI4_AVX 0 "register_operand" "=x,v")
(unspec:VI4_AVX
- [(match_operand:VI4_AVX 1 "register_operand" "0")
- (match_operand:VI4_AVX 2 "register_operand" "v")
- (match_operand:VI4_AVX 3 "nonimmediate_operand" "vm")]
+ [(match_operand:VI4_AVX 1 "register_operand" "0,0")
+ (match_operand:VI4_AVX 2 "register_operand" "x,v")
+ (match_operand:VI4_AVX 3 "nonimmediate_operand" "xjm,vm")]
VPDOTPROD))]
"TARGET_AVXVNNIINT8 || TARGET_AVX10_2"
- "vpdp<vpdotprodtype>\t{%3, %2, %0|%0, %2, %3}"
- [(set_attr "prefix" "maybe_evex")])
+ "@
+ %{vex%} vpdp<vpdotprodtype>\t{%3, %2, %0|%0, %2, %3}
+ vpdp<vpdotprodtype>\t{%3, %2, %0|%0, %2, %3}"
+ [(set_attr "prefix" "vex,evex")
+ (set_attr "addr" "gpr16,*")
+ (set_attr "isa" "avxvnniint8,avx10_2")])
(define_insn "vpdp<vpdotprodtype>_v16si"
[(set (match_operand:V16SI 0 "register_operand" "=v")
--Snip-
