[PATCH] D64933: [AMDGPU] Adjust number of SGPRs available in Calling Convention

Fri Jul 19 14:58:49 PDT 2019

rtaylor marked an inline comment as done.
rtaylor added inline comments.

================
Comment at: lib/Target/AMDGPU/AMDGPUCallingConv.td:27
     SGPR32, SGPR33, SGPR34, SGPR35, SGPR36, SGPR37, SGPR38, SGPR39,
-    SGPR40, SGPR41, SGPR42, SGPR43, SGPR44, SGPR45, SGPR46, SGPR47,
-    SGPR48, SGPR49, SGPR50, SGPR51, SGPR52, SGPR53, SGPR54, SGPR55,
-    SGPR56, SGPR57, SGPR58, SGPR59, SGPR60, SGPR61, SGPR62, SGPR63,
-    SGPR64, SGPR65, SGPR66, SGPR67, SGPR68, SGPR69, SGPR70, SGPR71,
-    SGPR72, SGPR73, SGPR74, SGPR75, SGPR76, SGPR77, SGPR78, SGPR79,
-    SGPR80, SGPR81, SGPR82, SGPR83, SGPR84, SGPR85, SGPR86, SGPR87,
-    SGPR88, SGPR89, SGPR90, SGPR91, SGPR92, SGPR93, SGPR94, SGPR95,
-    SGPR96, SGPR97, SGPR98, SGPR99, SGPR100, SGPR101, SGPR102, SGPR103,
-    SGPR104, SGPR105
+    SGPR40, SGPR41, SGPR42, SGPR43
   ]>>>,
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arsenm wrote:
> Can you add a comment explaining the limit 
I don't think this ever had a comment and 44 is still pretty arbitrary, I'll put something here though.

Repository:
  rL LLVM

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  https://reviews.llvm.org/D64933/new/

https://reviews.llvm.org/D64933