RFR (XS) 8215353: x86_32 build failures after JDK-8214751 (X86: Support for VNNI Instructions)

[Aleksey Shipilev]

Bug:
  https://bugs.openjdk.java.net/browse/JDK-8215353

mulI_rReg and friends are not available in x86_32.ad, there are mulI_eReg and friends. I think
32-bit code should use those.

Fix:

diff -r 9a73a4e4011f -r 6108789077bb src/hotspot/cpu/x86/x86_32.ad
--- a/src/hotspot/cpu/x86/x86_32.ad     Thu Dec 13 15:11:25 2018 +0530
+++ b/src/hotspot/cpu/x86/x86_32.ad     Thu Dec 13 14:10:00 2018 +0100
@@ -7760,9 +7760,9 @@
   match(Set dst (MulAddS2I (Binary dst src1) (Binary src2 src3)));
   effect(KILL cr, KILL src2);

-  expand %{ mulI_rReg(dst, src1, cr);
-           mulI_rReg(src2, src3, cr);
-           addI_rReg(dst, src2, cr); %}
+  expand %{ mulI_eReg(dst, src1, cr);
+           mulI_eReg(src2, src3, cr);
+           addI_eReg(dst, src2, cr); %}
 %}

 // Multiply Register Int to Long


Testing: x86_32: build, compiler/loopopts/superword/Vec_MulAddS2I.java, hotspot/tier1

Thanks,
-Aleksey

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