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-rw-r--r--lib/Target/Hexagon/HexagonInstrInfo.cpp9
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/Target/Hexagon/HexagonInstrInfo.cpp b/lib/Target/Hexagon/HexagonInstrInfo.cpp
index 4c0f93c..96a252e 100644
--- a/lib/Target/Hexagon/HexagonInstrInfo.cpp
+++ b/lib/Target/Hexagon/HexagonInstrInfo.cpp
@@ -1949,6 +1949,10 @@ isValidOffset(const int Opcode, const int Offset) const {
// the given "Opcode". If "Offset" is not in the correct range, "ADD_ri" is
// inserted to calculate the final address. Due to this reason, the function
// assumes that the "Offset" has correct alignment.
+ // We used to assert if the offset was not properly aligned, however,
+ // there are cases where a misaligned pointer recast can cause this
+ // problem, and we need to allow for it. The front end warns of such
+ // misaligns with respect to load size.
switch(Opcode) {
@@ -1958,7 +1962,6 @@ isValidOffset(const int Opcode, const int Offset) const {
case Hexagon::STriw_indexed:
case Hexagon::STriw:
case Hexagon::STriw_f:
- assert((Offset % 4 == 0) && "Offset has incorrect alignment");
return (Offset >= Hexagon_MEMW_OFFSET_MIN) &&
(Offset <= Hexagon_MEMW_OFFSET_MAX);
@@ -1968,14 +1971,12 @@ isValidOffset(const int Opcode, const int Offset) const {
case Hexagon::STrid:
case Hexagon::STrid_indexed:
case Hexagon::STrid_f:
- assert((Offset % 8 == 0) && "Offset has incorrect alignment");
return (Offset >= Hexagon_MEMD_OFFSET_MIN) &&
(Offset <= Hexagon_MEMD_OFFSET_MAX);
case Hexagon::LDrih:
case Hexagon::LDriuh:
case Hexagon::STrih:
- assert((Offset % 2 == 0) && "Offset has incorrect alignment");
return (Offset >= Hexagon_MEMH_OFFSET_MIN) &&
(Offset <= Hexagon_MEMH_OFFSET_MAX);
@@ -2002,7 +2003,6 @@ isValidOffset(const int Opcode, const int Offset) const {
case Hexagon::MEMw_SUBr_MEM_V4 :
case Hexagon::MEMw_ANDr_MEM_V4 :
case Hexagon::MEMw_ORr_MEM_V4 :
- assert ((Offset % 4) == 0 && "MEMOPw offset is not aligned correctly." );
return (0 <= Offset && Offset <= 255);
case Hexagon::MEMh_ADDi_indexed_MEM_V4 :
@@ -2017,7 +2017,6 @@ isValidOffset(const int Opcode, const int Offset) const {
case Hexagon::MEMh_SUBr_MEM_V4 :
case Hexagon::MEMh_ANDr_MEM_V4 :
case Hexagon::MEMh_ORr_MEM_V4 :
- assert ((Offset % 2) == 0 && "MEMOPh offset is not aligned correctly." );
return (0 <= Offset && Offset <= 127);
case Hexagon::MEMb_ADDi_indexed_MEM_V4 :