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Merged
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Mar 22, 2025
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[RISCV] Implement the implications of C extension #132259

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[RISCV] Implement the implications of C extension
jaidTw Mar 20, 2025
126ce19
!fixup format
jaidTw Mar 20, 2025
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4 changes: 2 additions & 2 deletions clang/test/CodeGen/RISCV/riscv-func-attr-target.c
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Expand Up @@ -85,11 +85,11 @@ int test_vsetvlmax_e64m1() {
// CHECK: attributes #2 = { {{.*}}"target-features"="+64bit,+a,+m,+save-restore,+zaamo,+zalrsc,+zbb,+zifencei,+zmmul,-relax,-zfa" }
// CHECK: attributes #3 = { {{.*}}"target-features"="+64bit,+a,+d,+f,+m,+save-restore,+v,+zaamo,+zalrsc,+zbb,+zicond,+zicsr,+zifencei,+zmmul,+zve32f,+zve32x,+zve64d,+zve64f,+zve64x,+zvl128b,+zvl32b,+zvl64b,-relax,-zfa" }
// Make sure we append negative features if we override the arch
// CHECK: attributes #4 = { {{.*}}"target-features"="+64bit,+a,+c,+d,+f,+m,+save-restore,+zaamo,+zalrsc,+zbb,+zicsr,+zifencei,+zmmul,{{(-[[:alnum:]-]+)(,-[[:alnum:]-]+)*}}" }
// CHECK: attributes #4 = { {{.*}}"target-features"="+64bit,+a,+c,+d,+f,+m,+save-restore,+zaamo,+zalrsc,+zbb,+zca,+zcd,+zicsr,+zifencei,+zmmul,{{(-[[:alnum:]-]+)(,-[[:alnum:]-]+)*}}" }
// CHECK: attributes #5 = { {{.*}}"target-features"="+64bit,+m,+save-restore,+zmmul,{{(-[[:alnum:]-]+)(,-[[:alnum:]-]+)*}}" }
// CHECK: attributes #6 = { {{.*}}"target-cpu"="sifive-u54" "target-features"="+64bit,+a,+m,+save-restore,+zaamo,+zalrsc,+zbb,+zifencei,+zmmul,-relax,-zfa" }
// CHECK: attributes #7 = { {{.*}}"target-cpu"="sifive-u54" "target-features"="+64bit,+m,+save-restore,+zmmul,{{(-[[:alnum:]-]+)(,-[[:alnum:]-]+)*}}" }
// CHECK: attributes #8 = { {{.*}}"target-cpu"="sifive-u54" "target-features"="+64bit,+a,+c,+d,+f,+m,+save-restore,+zaamo,+zalrsc,+zicsr,+zifencei,+zmmul,{{(-[[:alnum:]-]+)(,-[[:alnum:]-]+)*}}" }
// CHECK: attributes #8 = { {{.*}}"target-cpu"="sifive-u54" "target-features"="+64bit,+a,+c,+d,+f,+m,+save-restore,+zaamo,+zalrsc,+zca,+zcd,+zicsr,+zifencei,+zmmul,{{(-[[:alnum:]-]+)(,-[[:alnum:]-]+)*}}" }
// CHECK: attributes #9 = { {{.*}}"target-features"="+64bit,+a,+m,+save-restore,+zaamo,+zalrsc,+zicsr,+zifencei,+zmmul,+zve32x,+zvl32b,-relax,-zbb,-zfa" }
// CHECK: attributes #11 = { {{.*}}"target-features"="+64bit,+a,+f,+m,+save-restore,+zaamo,+zalrsc,+zicsr,+zifencei,+zmmul,+zve32f,+zve32x,+zvl32b,-relax,-zbb,-zfa" }
// CHECK: attributes #12 = { {{.*}}"target-features"="+64bit,+a,+d,+f,+m,+save-restore,+zaamo,+zalrsc,+zicsr,+zifencei,+zmmul,+zve32f,+zve32x,+zve64d,+zve64f,+zve64x,+zvl32b,+zvl64b,-relax,-zbb,-zfa" }
2 changes: 1 addition & 1 deletion clang/test/CodeGen/attr-target-clones-riscv.c
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Expand Up @@ -370,7 +370,7 @@ int bar() { return foo1() + foo2() + foo3() + foo4() + foo5() + foo6() + foo7()
// CHECK: attributes #[[ATTR0]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i" }
// CHECK: attributes #[[ATTR1]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+m,+zmmul" }
// CHECK: attributes #[[ATTR2]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+zbb" }
// CHECK: attributes #[[ATTR3]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+c,+i,+zbb" }
// CHECK: attributes #[[ATTR3]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+c,+i,+zbb,+zca" }
// CHECK: attributes #[[ATTR4]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+d,+f,+i,+v,+zbb,+zicsr,+zve32f,+zve32x,+zve64d,+zve64f,+zve64x,+zvl128b,+zvl32b,+zvl64b" }
// CHECK: attributes #[[ATTR5]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+zvkt" }
// CHECK: attributes #[[ATTR6]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+zba" }
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2 changes: 1 addition & 1 deletion clang/test/CodeGen/attr-target-version-riscv.c
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Expand Up @@ -371,7 +371,7 @@ int bar() { return foo1() + foo2() + foo3() + foo4() + foo5() + foo6() + foo7();
// CHECK: attributes #[[ATTR1]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i" }
// CHECK: attributes #[[ATTR2]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+zbb" }
// CHECK: attributes #[[ATTR3]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+m,+zmmul" }
// CHECK: attributes #[[ATTR4]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+c,+i,+zbb" }
// CHECK: attributes #[[ATTR4]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+c,+i,+zbb,+zca" }
// CHECK: attributes #[[ATTR5]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+zba" }
// CHECK: attributes #[[ATTR6]] = { noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+zba,+zbb" }
//.
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2 changes: 1 addition & 1 deletion clang/test/CodeGenCXX/attr-target-clones-riscv.cpp
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Expand Up @@ -368,7 +368,7 @@ int bar() { return foo1() + foo2() + foo3() + foo4() + foo5()+ foo6() + foo7() +
//.
// CHECK: attributes #[[ATTR0]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+m,+zmmul" }
// CHECK: attributes #[[ATTR1]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+m,+zbb,+zmmul" }
// CHECK: attributes #[[ATTR2]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+c,+i,+m,+zbb,+zmmul" }
// CHECK: attributes #[[ATTR2]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+c,+i,+m,+zbb,+zca,+zmmul" }
// CHECK: attributes #[[ATTR3]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+d,+f,+i,+m,+v,+zbb,+zicsr,+zmmul,+zve32f,+zve32x,+zve64d,+zve64f,+zve64x,+zvl128b,+zvl32b,+zvl64b" }
// CHECK: attributes #[[ATTR4]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+m,+zmmul,+zvkt" }
// CHECK: attributes #[[ATTR5]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+m,+zba,+zmmul" }
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2 changes: 1 addition & 1 deletion clang/test/CodeGenCXX/attr-target-version-riscv.cpp
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Expand Up @@ -362,7 +362,7 @@ int bar() { return foo1() + foo2() + foo3(); }
// CHECK: attributes #[[ATTR0]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+d,+f,+i,+m,+v,+zicsr,+zmmul,+zve32f,+zve32x,+zve64d,+zve64f,+zve64x,+zvl128b,+zvl32b,+zvl64b" }
// CHECK: attributes #[[ATTR1]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+m,+zmmul" }
// CHECK: attributes #[[ATTR2]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+m,+zbb,+zmmul" }
// CHECK: attributes #[[ATTR3]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+c,+i,+m,+zbb,+zmmul" }
// CHECK: attributes #[[ATTR3]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+c,+i,+m,+zbb,+zca,+zmmul" }
// CHECK: attributes #[[ATTR4]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+m,+zba,+zmmul" }
// CHECK: attributes #[[ATTR5]] = { mustprogress noinline nounwind optnone "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+i,+m,+zba,+zbb,+zmmul" }
//.
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16 changes: 8 additions & 8 deletions llvm/lib/Target/RISCV/RISCVFeatures.td
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Expand Up @@ -358,14 +358,6 @@ def HasStdExtZhinx : Predicate<"Subtarget->hasStdExtZhinx()">,
def NoStdExtZhinx : Predicate<"!Subtarget->hasStdExtZhinx()">;

// Compressed Extensions

def FeatureStdExtC
: RISCVExtension<2, 0, "Compressed Instructions">,
RISCVExtensionBitmask<0, 2>;
def HasStdExtC : Predicate<"Subtarget->hasStdExtC()">,
AssemblerPredicate<(all_of FeatureStdExtC),
"'C' (Compressed Instructions)">;

def FeatureNoRVCHints
: SubtargetFeature<"no-rvc-hints", "EnableRVCHintInstrs", "false",
"Disable RVC Hint Instructions.">;
Expand All @@ -378,6 +370,14 @@ def FeatureStdExtZca
"part of the C extension, excluding compressed "
"floating point loads/stores">;

def FeatureStdExtC
: RISCVExtension<2, 0, "Compressed Instructions", [FeatureStdExtZca]>,
RISCVExtensionBitmask<0, 2>;
def HasStdExtC : Predicate<"Subtarget->hasStdExtC()">,
AssemblerPredicate<(all_of FeatureStdExtC),
"'C' (Compressed Instructions)">;


def HasStdExtCOrZca
: Predicate<"Subtarget->hasStdExtCOrZca()">,
AssemblerPredicate<(any_of FeatureStdExtC, FeatureStdExtZca),
Comment on lines 381 to 383
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I think this can be refactored now, as any time you have C you have Zca, so maybe this should just be HasStdExtZca

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I would like this to be done, but in a follow-up is ok. I think this might be the cause of some of the weird .arch behaviour.

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Thanks for the pointer, I will take a look on it

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12 changes: 12 additions & 0 deletions llvm/lib/TargetParser/RISCVISAInfo.cpp
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Expand Up @@ -856,6 +856,18 @@ void RISCVISAInfo::updateImplication() {
});
}

// Add Zcd if C and D are enabled.
if (Exts.count("c") && Exts.count("d") && !Exts.count("zcd")) {
auto Version = findDefaultVersion("zcd");
Exts["zcd"] = *Version;
}

// Add Zcf if C and F are enabled on RV32.
if (XLen == 32 && Exts.count("c") && Exts.count("f") && !Exts.count("zcf")) {
auto Version = findDefaultVersion("zcf");
Exts["zcf"] = *Version;
}

// Add Zcf if Zce and F are enabled on RV32.
if (XLen == 32 && Exts.count("zce") && Exts.count("f") &&
!Exts.count("zcf")) {
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28 changes: 18 additions & 10 deletions llvm/test/CodeGen/RISCV/attributes.ll
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Expand Up @@ -9,6 +9,8 @@
; RUN: llc -mtriple=riscv32 -mattr=+f %s -o - | FileCheck --check-prefixes=CHECK,RV32F %s
; RUN: llc -mtriple=riscv32 -mattr=+d %s -o - | FileCheck --check-prefixes=CHECK,RV32D %s
; RUN: llc -mtriple=riscv32 -mattr=+c %s -o - | FileCheck --check-prefixes=CHECK,RV32C %s
; RUN: llc -mtriple=riscv32 -mattr=+c,+f %s -o - | FileCheck --check-prefixes=CHECK,RV32CF %s
; RUN: llc -mtriple=riscv32 -mattr=+c,+d %s -o - | FileCheck --check-prefixes=CHECK,RV32CD %s
; RUN: llc -mtriple=riscv32 -mattr=+zihintpause %s -o - | FileCheck --check-prefixes=CHECK,RV32ZIHINTPAUSE %s
; RUN: llc -mtriple=riscv32 -mattr=+zihintntl %s -o - | FileCheck --check-prefixes=CHECK,RV32ZIHINTNTL %s
; RUN: llc -mtriple=riscv32 -mattr=+zfhmin %s -o - | FileCheck --check-prefixes=CHECK,RV32ZFHMIN %s
Expand Down Expand Up @@ -171,6 +173,8 @@
; RUN: llc -mtriple=riscv64 -mattr=+f %s -o - | FileCheck --check-prefixes=CHECK,RV64F %s
; RUN: llc -mtriple=riscv64 -mattr=+d %s -o - | FileCheck --check-prefixes=CHECK,RV64D %s
; RUN: llc -mtriple=riscv64 -mattr=+c %s -o - | FileCheck --check-prefixes=CHECK,RV64C %s
; RUN: llc -mtriple=riscv64 -mattr=+c,+f %s -o - | FileCheck --check-prefixes=CHECK,RV64CF %s
; RUN: llc -mtriple=riscv64 -mattr=+c,+d %s -o - | FileCheck --check-prefixes=CHECK,RV64CD %s
; RUN: llc -mtriple=riscv64 -mattr=+zihintpause %s -o - | FileCheck --check-prefixes=CHECK,RV64ZIHINTPAUSE %s
; RUN: llc -mtriple=riscv64 -mattr=+zihintntl %s -o - | FileCheck --check-prefixes=CHECK,RV64ZIHINTNTL %s
; RUN: llc -mtriple=riscv64 -mattr=+zfhmin %s -o - | FileCheck --check-prefixes=CHECK,RV64ZFHMIN %s
Expand Down Expand Up @@ -335,7 +339,9 @@
; RV32B: .attribute 5, "rv32i2p1_b1p0_zba1p0_zbb1p0_zbs1p0"
; RV32F: .attribute 5, "rv32i2p1_f2p2_zicsr2p0"
; RV32D: .attribute 5, "rv32i2p1_f2p2_d2p2_zicsr2p0"
; RV32C: .attribute 5, "rv32i2p1_c2p0"
; RV32C: .attribute 5, "rv32i2p1_c2p0_zca1p0"
; RV32CF: .attribute 5, "rv32i2p1_f2p2_c2p0_zicsr2p0_zca1p0_zcf1p0"
; RV32CD: .attribute 5, "rv32i2p1_f2p2_d2p2_c2p0_zicsr2p0_zca1p0_zcd1p0_zcf1p0"
; RV32ZIHINTPAUSE: .attribute 5, "rv32i2p1_zihintpause2p0"
; RV32ZIHINTNTL: .attribute 5, "rv32i2p1_zihintntl1p0"
; RV32ZFHMIN: .attribute 5, "rv32i2p1_f2p2_zicsr2p0_zfhmin1p0"
Expand Down Expand Up @@ -494,7 +500,9 @@
; RV64B: .attribute 5, "rv64i2p1_b1p0_zba1p0_zbb1p0_zbs1p0"
; RV64F: .attribute 5, "rv64i2p1_f2p2_zicsr2p0"
; RV64D: .attribute 5, "rv64i2p1_f2p2_d2p2_zicsr2p0"
; RV64C: .attribute 5, "rv64i2p1_c2p0"
; RV64C: .attribute 5, "rv64i2p1_c2p0_zca1p0"
; RV64CF: .attribute 5, "rv64i2p1_f2p2_c2p0_zicsr2p0_zca1p0"
; RV64CD: .attribute 5, "rv64i2p1_f2p2_d2p2_c2p0_zicsr2p0_zca1p0_zcd1p0"
; RV64ZIHINTPAUSE: .attribute 5, "rv64i2p1_zihintpause2p0"
; RV64ZIHINTNTL: .attribute 5, "rv64i2p1_zihintntl1p0"
; RV64ZFHMIN: .attribute 5, "rv64i2p1_f2p2_zicsr2p0_zfhmin1p0"
Expand Down Expand Up @@ -639,14 +647,14 @@

; RVI20U32: .attribute 5, "rv32i2p1"
; RVI20U64: .attribute 5, "rv64i2p1"
; RVA20U64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicsr2p0_zmmul1p0_za128rs1p0_zaamo1p0_zalrsc1p0"
; RVA20S64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicsr2p0_zifencei2p0_zmmul1p0_za128rs1p0_zaamo1p0_zalrsc1p0_ssccptr1p0_sstvala1p0_sstvecd1p0_svade1p0_svbare1p0"
; RVA22U64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicsr2p0_zihintpause2p0_zihpm2p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zfhmin1p0_zba1p0_zbb1p0_zbs1p0_zkt1p0"
; RVA22S64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicsr2p0_zifencei2p0_zihintpause2p0_zihpm2p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zfhmin1p0_zba1p0_zbb1p0_zbs1p0_zkt1p0_ssccptr1p0_sscounterenw1p0_sstvala1p0_sstvecd1p0_svade1p0_svbare1p0_svinval1p0_svpbmt1p0"
; RVA23U64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_v1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicond1p0_zicsr2p0_zihintntl1p0_zihintpause2p0_zihpm2p0_zimop1p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zawrs1p0_zfa1p0_zfhmin1p0_zca1p0_zcb1p0_zcmop1p0_zba1p0_zbb1p0_zbs1p0_zkt1p0_zvbb1p0_zve32f1p0_zve32x1p0_zve64d1p0_zve64f1p0_zve64x1p0_zvfhmin1p0_zvkb1p0_zvkt1p0_zvl128b1p0_zvl32b1p0_zvl64b1p0_supm1p0"
; RVA23S64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_v1p0_h1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicond1p0_zicsr2p0_zifencei2p0_zihintntl1p0_zihintpause2p0_zihpm2p0_zimop1p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zawrs1p0_zfa1p0_zfhmin1p0_zca1p0_zcb1p0_zcmop1p0_zba1p0_zbb1p0_zbs1p0_zkt1p0_zvbb1p0_zve32f1p0_zve32x1p0_zve64d1p0_zve64f1p0_zve64x1p0_zvfhmin1p0_zvkb1p0_zvkt1p0_zvl128b1p0_zvl32b1p0_zvl64b1p0_sha1p0_shcounterenw1p0_shgatpa1p0_shtvala1p0_shvsatpa1p0_shvstvala1p0_shvstvecd1p0_ssccptr1p0_sscofpmf1p0_sscounterenw1p0_ssnpm1p0_ssstateen1p0_sstc1p0_sstvala1p0_sstvecd1p0_ssu64xl1p0_supm1p0_svade1p0_svbare1p0_svinval1p0_svnapot1p0_svpbmt1p0"
; RVB23U64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicond1p0_zicsr2p0_zihintntl1p0_zihintpause2p0_zihpm2p0_zimop1p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zawrs1p0_zfa1p0_zca1p0_zcb1p0_zcmop1p0_zba1p0_zbb1p0_zbs1p0_zkt1p0"
; RVB23S64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicond1p0_zicsr2p0_zifencei2p0_zihintntl1p0_zihintpause2p0_zihpm2p0_zimop1p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zawrs1p0_zfa1p0_zca1p0_zcb1p0_zcmop1p0_zba1p0_zbb1p0_zbs1p0_zkt1p0_ssccptr1p0_sscofpmf1p0_sscounterenw1p0_sstc1p0_sstvala1p0_sstvecd1p0_ssu64xl1p0_svade1p0_svbare1p0_svinval1p0_svnapot1p0_svpbmt1p0"
; RVA20U64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicsr2p0_zmmul1p0_za128rs1p0_zaamo1p0_zalrsc1p0_zca1p0_zcd1p0"
; RVA20S64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicsr2p0_zifencei2p0_zmmul1p0_za128rs1p0_zaamo1p0_zalrsc1p0_zca1p0_zcd1p0_ssccptr1p0_sstvala1p0_sstvecd1p0_svade1p0_svbare1p0"
; RVA22U64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicsr2p0_zihintpause2p0_zihpm2p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zfhmin1p0_zca1p0_zcd1p0_zba1p0_zbb1p0_zbs1p0_zkt1p0"
; RVA22S64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicsr2p0_zifencei2p0_zihintpause2p0_zihpm2p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zfhmin1p0_zca1p0_zcd1p0_zba1p0_zbb1p0_zbs1p0_zkt1p0_ssccptr1p0_sscounterenw1p0_sstvala1p0_sstvecd1p0_svade1p0_svbare1p0_svinval1p0_svpbmt1p0"
; RVA23U64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_v1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicond1p0_zicsr2p0_zihintntl1p0_zihintpause2p0_zihpm2p0_zimop1p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zawrs1p0_zfa1p0_zfhmin1p0_zca1p0_zcb1p0_zcd1p0_zcmop1p0_zba1p0_zbb1p0_zbs1p0_zkt1p0_zvbb1p0_zve32f1p0_zve32x1p0_zve64d1p0_zve64f1p0_zve64x1p0_zvfhmin1p0_zvkb1p0_zvkt1p0_zvl128b1p0_zvl32b1p0_zvl64b1p0_supm1p0"
; RVA23S64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_v1p0_h1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicond1p0_zicsr2p0_zifencei2p0_zihintntl1p0_zihintpause2p0_zihpm2p0_zimop1p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zawrs1p0_zfa1p0_zfhmin1p0_zca1p0_zcb1p0_zcd1p0_zcmop1p0_zba1p0_zbb1p0_zbs1p0_zkt1p0_zvbb1p0_zve32f1p0_zve32x1p0_zve64d1p0_zve64f1p0_zve64x1p0_zvfhmin1p0_zvkb1p0_zvkt1p0_zvl128b1p0_zvl32b1p0_zvl64b1p0_sha1p0_shcounterenw1p0_shgatpa1p0_shtvala1p0_shvsatpa1p0_shvstvala1p0_shvstvecd1p0_ssccptr1p0_sscofpmf1p0_sscounterenw1p0_ssnpm1p0_ssstateen1p0_sstc1p0_sstvala1p0_sstvecd1p0_ssu64xl1p0_supm1p0_svade1p0_svbare1p0_svinval1p0_svnapot1p0_svpbmt1p0"
; RVB23U64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicond1p0_zicsr2p0_zihintntl1p0_zihintpause2p0_zihpm2p0_zimop1p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zawrs1p0_zfa1p0_zca1p0_zcb1p0_zcd1p0_zcmop1p0_zba1p0_zbb1p0_zbs1p0_zkt1p0"
; RVB23S64: .attribute 5, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicond1p0_zicsr2p0_zifencei2p0_zihintntl1p0_zihintpause2p0_zihpm2p0_zimop1p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zawrs1p0_zfa1p0_zca1p0_zcb1p0_zcd1p0_zcmop1p0_zba1p0_zbb1p0_zbs1p0_zkt1p0_ssccptr1p0_sscofpmf1p0_sscounterenw1p0_sstc1p0_sstvala1p0_sstvecd1p0_ssu64xl1p0_svade1p0_svbare1p0_svinval1p0_svnapot1p0_svpbmt1p0"
; RVM23U32: .attribute 5, "rv32i2p1_m2p0_b1p0_zicbop1p0_zicond1p0_zicsr2p0_zihintntl1p0_zihintpause2p0_zimop1p0_zmmul1p0_zca1p0_zcb1p0_zce1p0_zcmop1p0_zcmp1p0_zcmt1p0_zba1p0_zbb1p0_zbs1p0"

define i32 @addi(i32 %a) {
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