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

[Matt Arsenault via Phabricator via llvm-commits]

arsenm 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
   ]>>>,
----------------
Can you add a comment explaining the limit 


================
Comment at: lib/Target/AMDGPU/AMDGPUCallingConv.td:57-64
 def RetCC_SI_Shader : CallingConv<[
   CCIfType<[i32] , CCAssignToReg<[
     SGPR0, SGPR1, SGPR2, SGPR3, SGPR4, SGPR5, SGPR6, SGPR7,
     SGPR8, SGPR9, SGPR10, SGPR11, SGPR12, SGPR13, SGPR14, SGPR15,
     SGPR16, SGPR17, SGPR18, SGPR19, SGPR20, SGPR21, SGPR22, SGPR23,
     SGPR24, SGPR25, SGPR26, SGPR27, SGPR28, SGPR29, SGPR30, SGPR31,
     SGPR32, SGPR33, SGPR34, SGPR35, SGPR36, SGPR37, SGPR38, SGPR39,
----------------
Can you add a comment explaining the limit 


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64933/new/

https://reviews.llvm.org/D64933