[Qemu-devel] [5657] target-ppc: optimize mullw and make the code more readable

[Qemu-devel] [5657] target-ppc: optimize mullw and make the code more readable

[Aurelien Jarno]

Revision: 5657
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5657
Author:   aurel32
Date:     2008-11-09 17:27:11 +0000 (Sun, 09 Nov 2008)

Log Message:
-----------
target-ppc: optimize mullw and make the code more readable

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

Modified Paths:
--------------
    trunk/target-ppc/translate.c

Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c	2008-11-09 17:27:03 UTC (rev 5656)
+++ trunk/target-ppc/translate.c	2008-11-09 17:27:11 UTC (rev 5657)
@@ -1234,20 +1234,9 @@
 /* mullw  mullw. */
 GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER)
 {
-#if defined(TARGET_PPC64)
-    TCGv t0, t1;
-    t0 = tcg_temp_new(TCG_TYPE_TL);
-    t1 = tcg_temp_new(TCG_TYPE_TL);
-    tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
-    tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
-    tcg_gen_mul_tl(t0, t0, t1);
-    tcg_temp_free(t0);
-    tcg_gen_ext32s_tl(cpu_gpr[rD(ctx->opcode)], t0);
-    tcg_temp_free(t1);
-#else
     tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
                    cpu_gpr[rB(ctx->opcode)]);
-#endif
+    tcg_gen_ext32s_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)]);
     if (unlikely(Rc(ctx->opcode) != 0))
         gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
 }