[PATCH] Remove V64SFmode and V64SImode.

[liuhongt]

It's needed by avx5124vnniw/avx5124fmaps which have been removed by
r15-656-ge1a7e2c54d52d0.

Ready push to trunk after passing regression test.

gcc/ChangeLog:

        * config/i386/i386-modes.def: Remove VECTOR_MODES(FLOAT, 256)
        and VECTOR_MODE (INT, SI, 64).
        * config/i386/i386.cc (ix86_hard_regno_nregs): Remove related
        code for V64SF/V64SImode.
---
 gcc/config/i386/i386-modes.def | 2 --
 gcc/config/i386/i386.cc        | 3 +--
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/gcc/config/i386/i386-modes.def b/gcc/config/i386/i386-modes.def
index 2fedbebdc17..c2db305614d 100644
--- a/gcc/config/i386/i386-modes.def
+++ b/gcc/config/i386/i386-modes.def
@@ -91,7 +91,6 @@ VECTOR_MODES (FLOAT, 16);     /*         V8HF V4SF V2DF */
 VECTOR_MODES (FLOAT, 32);     /*   V16HF V8SF V4DF V2TF */
 VECTOR_MODES (FLOAT, 64);     /*  V32HF V16SF V8DF V4TF */
 VECTOR_MODES (FLOAT, 128);    /* V64HF V32SF V16DF V8TF */
-VECTOR_MODES (FLOAT, 256);    /* V128HF V64SF V32DF V16TF */
 VECTOR_MODE (FLOAT, HF, 2);   /*                  V2HF */
 VECTOR_MODE (FLOAT, BF, 2);   /*                  V2BF */
 VECTOR_MODE (FLOAT, HF, 6);   /*                  V6HF */
@@ -102,7 +101,6 @@ VECTOR_MODE (INT, QI, 2);     /*                   V2QI */
 VECTOR_MODE (INT, QI, 12);    /*                  V12QI */
 VECTOR_MODE (INT, QI, 14);    /*                  V14QI */
 VECTOR_MODE (INT, HI, 6);     /*                   V6HI */
-VECTOR_MODE (INT, SI, 64);    /*                 V64SI */
 
 INT_MODE (OI, 32);
 INT_MODE (XI, 64);
diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc
index 0f0acae0e64..e9611a11f83 100644
--- a/gcc/config/i386/i386.cc
+++ b/gcc/config/i386/i386.cc
@@ -21513,8 +21513,7 @@ ix86_hard_regno_nregs (unsigned int regno, machine_mode 
mode)
   /* Register pair for mask registers.  */
   if (mode == P2QImode || mode == P2HImode)
     return 2;
-  if (mode == V64SFmode || mode == V64SImode)
-    return 4;
+
   return 1;
 }
 
-- 
2.34.1