[Lldb-commits] [lldb] fcca6fe - [LLDB] Update SVE Z reg info to remove invalidate regs

Muhammad Omair Javaid via lldb-commits lldb-commits at lists.llvm.org
Tue Nov 17 04:15:11 PST 2020


Author: Muhammad Omair Javaid
Date: 2020-11-17T17:14:44+05:00
New Revision: fcca6fe93f04f50c302f9ce2d1bad8f5f3fa369a

URL: https://github.com/llvm/llvm-project/commit/fcca6fe93f04f50c302f9ce2d1bad8f5f3fa369a
DIFF: https://github.com/llvm/llvm-project/commit/fcca6fe93f04f50c302f9ce2d1bad8f5f3fa369a.diff

LOG: [LLDB] Update SVE Z reg info to remove invalidate regs

In our recent discussion we are aiming to make LLDB registers exchange minimum
possible information in qRegisterInfo or XMl register descriptions.
For SVE registers, Z registers are catagorized as primary registers and should
not have any infomration about any pseudo registers. All pseudo registers
should have the information on which primary register they belong to.
This patch removes invalidate_regs list from Z registers and will mitigate its
impact on SVE resize patch in a follow up update.

Reviewed By: labath

Differential Revision: https://reviews.llvm.org/D91057

Added: 
    

Modified: 
    lldb/source/Plugins/Process/Utility/RegisterInfos_arm64_sve.h

Removed: 
    


################################################################################
diff  --git a/lldb/source/Plugins/Process/Utility/RegisterInfos_arm64_sve.h b/lldb/source/Plugins/Process/Utility/RegisterInfos_arm64_sve.h
index 752f738fd470..ea43ef8fe457 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterInfos_arm64_sve.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterInfos_arm64_sve.h
@@ -266,71 +266,6 @@ static uint32_t g_sve_v30_invalidates[] = {sve_z30, fpu_d30, fpu_s30,
 static uint32_t g_sve_v31_invalidates[] = {sve_z31, fpu_d31, fpu_s31,
                                            LLDB_INVALID_REGNUM};
 
-static uint32_t g_sve_z0_invalidates[] = {fpu_v0, fpu_d0, fpu_s0,
-                                          LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z1_invalidates[] = {fpu_v1, fpu_d1, fpu_s1,
-                                          LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z2_invalidates[] = {fpu_v2, fpu_d2, fpu_s2,
-                                          LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z3_invalidates[] = {fpu_v3, fpu_d3, fpu_s3,
-                                          LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z4_invalidates[] = {fpu_v4, fpu_d4, fpu_s4,
-                                          LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z5_invalidates[] = {fpu_v5, fpu_d5, fpu_s5,
-                                          LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z6_invalidates[] = {fpu_v6, fpu_d6, fpu_s6,
-                                          LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z7_invalidates[] = {fpu_v7, fpu_d7, fpu_s7,
-                                          LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z8_invalidates[] = {fpu_v8, fpu_d8, fpu_s8,
-                                          LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z9_invalidates[] = {fpu_v9, fpu_d9, fpu_s9,
-                                          LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z10_invalidates[] = {fpu_v10, fpu_d10, fpu_s10,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z11_invalidates[] = {fpu_v11, fpu_d11, fpu_s11,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z12_invalidates[] = {fpu_v12, fpu_d12, fpu_s12,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z13_invalidates[] = {fpu_v13, fpu_d13, fpu_s13,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z14_invalidates[] = {fpu_v14, fpu_d14, fpu_s14,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z15_invalidates[] = {fpu_v15, fpu_d15, fpu_s15,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z16_invalidates[] = {fpu_v16, fpu_d16, fpu_s16,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z17_invalidates[] = {fpu_v17, fpu_d17, fpu_s17,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z18_invalidates[] = {fpu_v18, fpu_d18, fpu_s18,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z19_invalidates[] = {fpu_v19, fpu_d19, fpu_s19,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z20_invalidates[] = {fpu_v20, fpu_d20, fpu_s20,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z21_invalidates[] = {fpu_v21, fpu_d21, fpu_s21,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z22_invalidates[] = {fpu_v22, fpu_d22, fpu_s22,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z23_invalidates[] = {fpu_v23, fpu_d23, fpu_s23,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z24_invalidates[] = {fpu_v24, fpu_d24, fpu_s24,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z25_invalidates[] = {fpu_v25, fpu_d25, fpu_s25,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z26_invalidates[] = {fpu_v26, fpu_d26, fpu_s26,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z27_invalidates[] = {fpu_v27, fpu_d27, fpu_s27,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z28_invalidates[] = {fpu_v28, fpu_d28, fpu_s28,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z29_invalidates[] = {fpu_v29, fpu_d29, fpu_s29,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z30_invalidates[] = {fpu_v30, fpu_d30, fpu_s30,
-                                           LLDB_INVALID_REGNUM};
-static uint32_t g_sve_z31_invalidates[] = {fpu_v31, fpu_d31, fpu_s31,
-                                           LLDB_INVALID_REGNUM};
-
 static uint32_t g_contained_z0[] = {sve_z0, LLDB_INVALID_REGNUM};
 static uint32_t g_contained_z1[] = {sve_z1, LLDB_INVALID_REGNUM};
 static uint32_t g_contained_z2[] = {sve_z2, LLDB_INVALID_REGNUM};
@@ -392,7 +327,7 @@ static uint32_t g_contained_z31[] = {sve_z31, LLDB_INVALID_REGNUM};
 #define DEFINE_ZREG(reg)                                                       \
   {                                                                            \
     #reg, nullptr, 16, 0, lldb::eEncodingVector, lldb::eFormatVectorOfUInt8,   \
-        SVE_REG_KIND(reg), nullptr, g_sve_##reg##_invalidates, nullptr, 0      \
+        SVE_REG_KIND(reg), nullptr, nullptr, nullptr, 0                        \
   }
 
 // Defines a P vector register with 2-byte default size


        


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