x86: optimize EVEX packed integer logical instructions

[deliverable/binutils-gdb.git] / gas / config / tc-i386.c

diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index f6c14c9ac78f7c7a8cbb4234295fdbb63e15b59c..bc7d55611a101d2adc27cb41f991ea1a212b44ec 100644 (file)
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -3897,7 +3897,7 @@ check_hle (void)
 static void
 optimize_encoding (void)
 {
-  int j;
+  unsigned int j;
 
   if (optimize_for_space
       && i.reg_operands == 1
@@ -4095,10 +4095,13 @@ optimize_encoding (void)
           && !i.types[0].bitfield.zmmword
           && !i.types[1].bitfield.zmmword
           && !i.mask
+          && !i.broadcast
           && is_evex_encoding (&i.tm)
           && ((i.tm.base_opcode & ~Opcode_SIMD_IntD) == 0x666f
               || (i.tm.base_opcode & ~Opcode_SIMD_IntD) == 0xf36f
-              || (i.tm.base_opcode & ~Opcode_SIMD_IntD) == 0xf26f)
+              || (i.tm.base_opcode & ~Opcode_SIMD_IntD) == 0xf26f
+              || (i.tm.base_opcode & ~4) == 0x66db
+              || (i.tm.base_opcode & ~4) == 0x66eb)
           && i.tm.extension_opcode == None)
     {
       /* Optimize: -O1:
@@ -4116,8 +4119,17 @@ optimize_encoding (void)
               -> VEX mvmovdqa|vmovdquem, %xmmN (N < 16)
             EVEX VOP mem, %ymmN
               -> VEX vmovdqa|vmovdqu mem, %ymmN (N < 16)
+          VOP, one of vpand, vpandn, vpor, vpxor:
+            EVEX VOP{d,q} %xmmL, %xmmM, %xmmN
+              -> VEX VOP %xmmL, %xmmM, %xmmN (L, M, and N < 16)
+            EVEX VOP{d,q} %ymmL, %ymmM, %ymmN
+              -> VEX VOP %ymmL, %ymmM, %ymmN (L, M, and N < 16)
+            EVEX VOP{d,q} mem, %xmmM, %xmmN
+              -> VEX VOP mem, %xmmM, %xmmN (M and N < 16)
+            EVEX VOP{d,q} mem, %ymmM, %ymmN
+              -> VEX VOP mem, %ymmM, %ymmN (M and N < 16)
        */
-      for (j = 0; j < 2; j++)
+      for (j = 0; j < i.operands; j++)
        if (operand_type_check (i.types[j], disp)
            && i.op[j].disps->X_op == O_constant)
          {
@@ -4147,16 +4159,12 @@ optimize_encoding (void)
       i.tm.opcode_modifier.vexw = VEXW0;
       i.tm.opcode_modifier.evex = 0;
       i.tm.opcode_modifier.masking = 0;
+      i.tm.opcode_modifier.broadcast = 0;
       i.tm.opcode_modifier.disp8memshift = 0;
       i.memshift = 0;
-      for (j = 0; j < 2; j++)
-       if (operand_type_check (i.types[j], disp)
-           && i.op[j].disps->X_op == O_constant)
-         {
-           i.types[j].bitfield.disp8
-             = fits_in_disp8 (i.op[j].disps->X_add_number);
-           break;
-         }
+      if (j < i.operands)
+       i.types[j].bitfield.disp8
+         = fits_in_disp8 (i.op[j].disps->X_add_number);
     }
 }