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PPC: Add unoptimized/optimized variants of MathFloor TF code stub

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Port 8f13b655b8

Original commit message:
    - Add a TurboFanIC class, derived from TurboFanCodeStub, that
      automatically distinguishes between versions of the IC called from
      optimized and unoptimized code.
    - Add appropriate InterfaceDescriptors for both the versions of the
      stub called from unoptimized and optimized code
    - Change the MathFloor TF stub generator to output either the
      for-optimized or for-unoptimized version based on the minor_key
      parameter.

R=danno@chromium.org, dstence@us.ibm.com, michael_dawson@ca.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1207253003

Cr-Commit-Position: refs/heads/master@{#29542}
This commit is contained in:
mbrandy 2015-07-08 12:11:29 -07:00 committed by Commit bot
parent 54920cd2f0
commit 0640e29577
1 changed files with 13 additions and 2 deletions
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15
src/ppc/interface-descriptors-ppc.cc
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@ -329,14 +329,25 @@ void ApiAccessorDescriptor::InitializePlatformSpecific(
}
void MathRoundVariantDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
void MathRoundVariantCallFromUnoptimizedCodeDescriptor::
InitializePlatformSpecific(CallInterfaceDescriptorData* data) {
Register registers[] = {
r4, // math rounding function
r6, // vector slot id
};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void MathRoundVariantCallFromOptimizedCodeDescriptor::
InitializePlatformSpecific(CallInterfaceDescriptorData* data) {
Register registers[] = {
r4, // math rounding function
r6, // vector slot id
r7, // type vector
};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
} // namespace internal
} // namespace v8