Revert of MIPS64: Fix trunc_l_[s,d] in simulator. (patchset #1 id:1 of...

Revert of MIPS64: Fix trunc_l_[s,d] in simulator. (patchset #1 id:1 of https://codereview.chromium.org/1539763003/ )

Reason for revert:
Causes failures in r6 mode.

Original issue's description:
> MIPS64: Fix trunc_l_[s,d] in simulator.
>
> The trunc_l_[s,d] instructions incorrectly returns success when the input is INT64_MAX.
>
> TEST=test-run-machops/RunTryTruncateFloat32ToInt64WithCheck,test-run-machops/RunTryTruncateFloat64ToInt64WithCheck
> BUG=
>
> Committed: https://crrev.com/53a0cc846661c65b4b1711f67642677d8da69119
> Cr-Commit-Position: refs/heads/master@{#32968}

TBR=paul.lind@imgtec.com,balazs.kilvady@imgtec.com,ahaas@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review URL: https://codereview.chromium.org/1543613002

Cr-Commit-Position: refs/heads/master@{#32989}

src/mips/simulator-mips.cc

@@ -1441,7 +1441,7 @@ bool Simulator::set_fcsr_round_error(double original, double rounded) {
     ret = true;
   }
 
-  if (rounded >= max_int32 || rounded < min_int32) {
+  if (rounded > max_int32 || rounded < min_int32) {
     set_fcsr_bit(kFCSROverflowFlagBit, true);
     // The reference is not really clear but it seems this is required:
     set_fcsr_bit(kFCSRInvalidOpFlagBit, true);
@@ -1473,7 +1473,7 @@ bool Simulator::set_fcsr_round64_error(double original, double rounded) {
     ret = true;
   }
 
-  if (rounded >= max_int64 || rounded < min_int64) {
+  if (rounded > max_int64 || rounded < min_int64) {
     set_fcsr_bit(kFCSROverflowFlagBit, true);
     // The reference is not really clear but it seems this is required:
     set_fcsr_bit(kFCSRInvalidOpFlagBit, true);
@@ -1505,7 +1505,7 @@ bool Simulator::set_fcsr_round_error(float original, float rounded) {
     ret = true;
   }
 
-  if (rounded >= max_int32 || rounded < min_int32) {
+  if (rounded > max_int32 || rounded < min_int32) {
     set_fcsr_bit(kFCSROverflowFlagBit, true);
     // The reference is not really clear but it seems this is required:
     set_fcsr_bit(kFCSRInvalidOpFlagBit, true);
@@ -1537,7 +1537,7 @@ bool Simulator::set_fcsr_round64_error(float original, float rounded) {
     ret = true;
   }
 
-  if (rounded >= max_int64 || rounded < min_int64) {
+  if (rounded > max_int64 || rounded < min_int64) {
     set_fcsr_bit(kFCSROverflowFlagBit, true);
     // The reference is not really clear but it seems this is required:
     set_fcsr_bit(kFCSRInvalidOpFlagBit, true);

src/mips64/simulator-mips64.cc

@@ -1246,7 +1246,7 @@ bool Simulator::set_fcsr_round_error(double original, double rounded) {
     ret = true;
   }
 
-  if (rounded >= max_int32 || rounded < min_int32) {
+  if (rounded > max_int32 || rounded < min_int32) {
     set_fcsr_bit(kFCSROverflowFlagBit, true);
     // The reference is not really clear but it seems this is required:
     set_fcsr_bit(kFCSRInvalidOpFlagBit, true);
@@ -1278,7 +1278,7 @@ bool Simulator::set_fcsr_round64_error(double original, double rounded) {
     ret = true;
   }
 
-  if (rounded >= max_int64 || rounded < min_int64) {
+  if (rounded > max_int64 || rounded < min_int64) {
     set_fcsr_bit(kFCSROverflowFlagBit, true);
     // The reference is not really clear but it seems this is required:
     set_fcsr_bit(kFCSRInvalidOpFlagBit, true);
@@ -1310,7 +1310,7 @@ bool Simulator::set_fcsr_round_error(float original, float rounded) {
     ret = true;
   }
 
-  if (rounded >= max_int32 || rounded < min_int32) {
+  if (rounded > max_int32 || rounded < min_int32) {
     set_fcsr_bit(kFCSROverflowFlagBit, true);
     // The reference is not really clear but it seems this is required:
     set_fcsr_bit(kFCSRInvalidOpFlagBit, true);
@@ -1460,7 +1460,7 @@ bool Simulator::set_fcsr_round64_error(float original, float rounded) {
     ret = true;
   }
 
-  if (rounded >= max_int64 || rounded < min_int64) {
+  if (rounded > max_int64 || rounded < min_int64) {
     set_fcsr_bit(kFCSROverflowFlagBit, true);
     // The reference is not really clear but it seems this is required:
     set_fcsr_bit(kFCSRInvalidOpFlagBit, true);