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target-mips: remove wrong checks for recip.fmt and rsqrt.fmt
authorPetar Jovanovic <petar.jovanovic@imgtec.com>
Wed, 26 Aug 2015 12:12:20 +0000 (14:12 +0200)
committerLeon Alrae <leon.alrae@imgtec.com>
Fri, 18 Sep 2015 08:20:48 +0000 (09:20 +0100)
Instructions recip.{s|d} and rsqrt.{s|d} do not require 64-bit FPU neither
they require any particular mode for its FPU. This patch removes the checks
that may break a program that uses these instructions.

Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
target-mips/translate.c

index 2f1e724..fadef9e 100644 (file)
@@ -9290,7 +9290,6 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
         opn = "movn.s";
         break;
     case OPC_RECIP_S:
-        check_cop1x(ctx);
         {
             TCGv_i32 fp0 = tcg_temp_new_i32();
 
@@ -9302,7 +9301,6 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
         opn = "recip.s";
         break;
     case OPC_RSQRT_S:
-        check_cop1x(ctx);
         {
             TCGv_i32 fp0 = tcg_temp_new_i32();
 
@@ -9835,7 +9833,7 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
         opn = "movn.d";
         break;
     case OPC_RECIP_D:
-        check_cp1_64bitmode(ctx);
+        check_cp1_registers(ctx, fs | fd);
         {
             TCGv_i64 fp0 = tcg_temp_new_i64();
 
@@ -9847,7 +9845,7 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
         opn = "recip.d";
         break;
     case OPC_RSQRT_D:
-        check_cp1_64bitmode(ctx);
+        check_cp1_registers(ctx, fs | fd);
         {
             TCGv_i64 fp0 = tcg_temp_new_i64();