Add VSX Scalar loads and stores to the PPC back end
This patch corresponds to review:
http://reviews.llvm.org/D9440
It adds a new register class to the PPC back end to contain single precision
values in VSX registers. Additionally, it adds scalar loads and stores for
VSX registers.
llvm-svn: 236755
diff --git a/llvm/lib/Target/PowerPC/Disassembler/PPCDisassembler.cpp b/llvm/lib/Target/PowerPC/Disassembler/PPCDisassembler.cpp
index 5cbf3d9..9a5c829 100644
--- a/llvm/lib/Target/PowerPC/Disassembler/PPCDisassembler.cpp
+++ b/llvm/lib/Target/PowerPC/Disassembler/PPCDisassembler.cpp
@@ -131,6 +131,26 @@
PPC::VF28, PPC::VF29, PPC::VF30, PPC::VF31
};
+static const unsigned VSSRegs[] = {
+ PPC::F0, PPC::F1, PPC::F2, PPC::F3,
+ PPC::F4, PPC::F5, PPC::F6, PPC::F7,
+ PPC::F8, PPC::F9, PPC::F10, PPC::F11,
+ PPC::F12, PPC::F13, PPC::F14, PPC::F15,
+ PPC::F16, PPC::F17, PPC::F18, PPC::F19,
+ PPC::F20, PPC::F21, PPC::F22, PPC::F23,
+ PPC::F24, PPC::F25, PPC::F26, PPC::F27,
+ PPC::F28, PPC::F29, PPC::F30, PPC::F31,
+
+ PPC::VF0, PPC::VF1, PPC::VF2, PPC::VF3,
+ PPC::VF4, PPC::VF5, PPC::VF6, PPC::VF7,
+ PPC::VF8, PPC::VF9, PPC::VF10, PPC::VF11,
+ PPC::VF12, PPC::VF13, PPC::VF14, PPC::VF15,
+ PPC::VF16, PPC::VF17, PPC::VF18, PPC::VF19,
+ PPC::VF20, PPC::VF21, PPC::VF22, PPC::VF23,
+ PPC::VF24, PPC::VF25, PPC::VF26, PPC::VF27,
+ PPC::VF28, PPC::VF29, PPC::VF30, PPC::VF31
+};
+
static const unsigned GPRegs[] = {
PPC::R0, PPC::R1, PPC::R2, PPC::R3,
PPC::R4, PPC::R5, PPC::R6, PPC::R7,
@@ -231,6 +251,12 @@
return decodeRegisterClass(Inst, RegNo, VSFRegs);
}
+static DecodeStatus DecodeVSSRCRegisterClass(MCInst &Inst, uint64_t RegNo,
+ uint64_t Address,
+ const void *Decoder) {
+ return decodeRegisterClass(Inst, RegNo, VSSRegs);
+}
+
static DecodeStatus DecodeGPRCRegisterClass(MCInst &Inst, uint64_t RegNo,
uint64_t Address,
const void *Decoder) {