summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorSimon Tatham <simon.tatham@arm.com>2019-06-10 15:41:58 +0000
committerSimon Tatham <simon.tatham@arm.com>2019-06-10 15:41:58 +0000
commit42078d41d59269d4d42873cf3260b58d09d530f0 (patch)
treef644b7735e4d6c699c108ae548604a5157ca2d70
parent9650c95b7e55791faca4800c8f14f8325942a3b7 (diff)
downloadbcm5719-llvm-42078d41d59269d4d42873cf3260b58d09d530f0.tar.gz
bcm5719-llvm-42078d41d59269d4d42873cf3260b58d09d530f0.zip
[ARM] Add the non-MVE instructions in Arm v8.1-M.
This should have been part of r362953, but I had a finger-trouble incident and committed the old rather than new version of the patch. Sorry. llvm-svn: 362955
-rw-r--r--llvm/lib/Target/ARM/ARMInstrThumb2.td24
-rw-r--r--llvm/test/MC/ARM/thumbv8.1m.s16
2 files changed, 23 insertions, 17 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrThumb2.td b/llvm/lib/Target/ARM/ARMInstrThumb2.td
index d8c6d3e625e..e324dbe5466 100644
--- a/llvm/lib/Target/ARM/ARMInstrThumb2.td
+++ b/llvm/lib/Target/ARM/ARMInstrThumb2.td
@@ -5167,8 +5167,7 @@ def t2LE : t2LOL<(outs ), (ins lelabel_u11:$label), "le", "$label"> {
let Inst{10-1} = label{10-1};
}
-let Uses = [CPSR] in {
-class CS<string iname, list<dag> pattern=[]>
+class CS<string iname, bits<4> opcode, list<dag> pattern=[]>
: V8_1MI<(outs rGPR:$Rd), (ins GPRwithZR:$Rn, GPRwithZR:$Rm, pred_noal:$fcond),
AddrModeNone, NoItinerary, iname, "$Rd, $Rn, $Rm, $fcond", "", pattern> {
bits<4> Rd;
@@ -5178,27 +5177,18 @@ class CS<string iname, list<dag> pattern=[]>
let Inst{31-20} = 0b111010100101;
let Inst{19-16} = Rn{3-0};
+ let Inst{15-12} = opcode;
let Inst{11-8} = Rd{3-0};
let Inst{7-4} = fcond{3-0};
let Inst{3-0} = Rm{3-0};
-}
-}
-def t2CSEL : CS<"csel"> {
- let Inst{15-12} = 0b1000;
+ let Uses = [CPSR];
}
-def t2CSINC : CS<"csinc"> {
- let Inst{15-12} = 0b1001;
-}
-
-def t2CSINV : CS<"csinv"> {
- let Inst{15-12} = 0b1010;
-}
-
-def t2CSNEG : CS<"csneg"> {
- let Inst{15-12} = 0b1011;
-}
+def t2CSEL : CS<"csel", 0b1000>;
+def t2CSINC : CS<"csinc", 0b1001>;
+def t2CSINV : CS<"csinv", 0b1010>;
+def t2CSNEG : CS<"csneg", 0b1011>;
// CS aliases.
diff --git a/llvm/test/MC/ARM/thumbv8.1m.s b/llvm/test/MC/ARM/thumbv8.1m.s
index 9f0fcaea18b..9bb89c71204 100644
--- a/llvm/test/MC/ARM/thumbv8.1m.s
+++ b/llvm/test/MC/ARM/thumbv8.1m.s
@@ -1096,3 +1096,19 @@ csinv lr, r2, r2, mi
# CHECK-FP: csel r0, r0, r1, eq @ encoding: [0x50,0xea,0x01,0x80]
# CHECK-NOLOB: csel r0, r0, r1, eq @ encoding: [0x50,0xea,0x01,0x80]
csel r0, r0, r1, eq
+
+// ERROR: :[[@LINE+2]]:{{[0-9]+}}: error: instructions in IT block must be predicable
+it eq
+csel r0, r0, r1, eq
+
+// ERROR: :[[@LINE+2]]:{{[0-9]+}}: error: instructions in IT block must be predicable
+it eq
+csinc r0, r0, r1, ne
+
+// ERROR: :[[@LINE+2]]:{{[0-9]+}}: error: instructions in IT block must be predicable
+it gt
+csinv r0, r0, r1, ge
+
+// ERROR: :[[@LINE+2]]:{{[0-9]+}}: error: instructions in IT block must be predicable
+it lt
+csneg r0, r0, r1, gt
OpenPOWER on IntegriCloud