[llvm] f06756f - Store sysreg names in-line with their descriptors. (#119157)

[via llvm-commits]

Author: Owen Anderson
Date: 2024-12-21T20:19:56+13:00
New Revision: f06756f50e1f70664adc25a41ccabf5b018a504a

URL: https://github.com/llvm/llvm-project/commit/f06756f50e1f70664adc25a41ccabf5b018a504a
DIFF: https://github.com/llvm/llvm-project/commit/f06756f50e1f70664adc25a41ccabf5b018a504a.diff

LOG: Store sysreg names in-line with their descriptors. (#119157)

This wastes some disk space, because we have to size the arrays for
the maximum possible length. However, it eliminates dynamic relocations
from the SysRegsList arrays.

Added: 
    

Modified: 
    llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h
    llvm/lib/Target/ARM/Utils/ARMBaseInfo.h
    llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h b/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h
index 8f34cf054fe286..e0ccba4d6a59e8 100644
--- a/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h
+++ b/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h
@@ -700,8 +700,8 @@ AArch64StringToVectorLayout(StringRef LayoutStr) {
 
 namespace AArch64SysReg {
   struct SysReg {
-    const char *Name;
-    const char *AltName;
+    const char Name[32];
+    const char AltName[32];
     unsigned Encoding;
     bool Readable;
     bool Writeable;

diff  --git a/llvm/lib/Target/ARM/Utils/ARMBaseInfo.h b/llvm/lib/Target/ARM/Utils/ARMBaseInfo.h
index 56a925f09ea7ae..5562572c5abf48 100644
--- a/llvm/lib/Target/ARM/Utils/ARMBaseInfo.h
+++ b/llvm/lib/Target/ARM/Utils/ARMBaseInfo.h
@@ -189,7 +189,7 @@ inline static unsigned ARMCondCodeFromString(StringRef CC) {
 // System Registers
 namespace ARMSysReg {
   struct MClassSysReg {
-    const char *Name;
+    const char Name[32];
     uint16_t M1Encoding12;
     uint16_t M2M3Encoding8;
     uint16_t Encoding;

diff  --git a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
index 056b6da34ac708..370350719b2308 100644
--- a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
+++ b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
@@ -452,9 +452,9 @@ int getLoadFPImm(APFloat FPImm);
 
 namespace RISCVSysReg {
 struct SysReg {
-  const char *Name;
-  const char *AltName;
-  const char *DeprecatedName;
+  const char Name[32];
+  const char AltName[32];
+  const char DeprecatedName[32];
   unsigned Encoding;
   // FIXME: add these additional fields when needed.
   // Privilege Access: Read, Write, Read-Only.