make sure accesses to set up the jmpbuf don't get moved after it by the scheduler...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104967 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 54531aa1965e7a927f176e3c73e86f330b5b32ac..9358ee8f4dbf73f86058fa465098b96a8e0f6eb0 100644 (file)
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -2530,11 +2530,11 @@ let Defs =
   [ R0,  R1,  R2,  R3,  R4,  R5,  R6,  R7,  R8,  R9,  R10, R11, R12, LR,  D0,
     D1,  D2,  D3,  D4,  D5,  D6,  D7,  D8,  D9,  D10, D11, D12, D13, D14, D15,
     D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
-    D31 ] in {
+    D31 ], hasSideEffects = 1, isBarrier = 1 in {
   def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
                                AddrModeNone, SizeSpecial, IndexModeNone,
                                Pseudo, NoItinerary,
-                               "add\t$val, pc, #8\t${:comment} eh_setjmp begin\t"
+                               "add\t$val, pc, #4\t${:comment} eh_setjmp begin\n\t"
                                "str\t$val, [$src, #+4]\n\t"
                                "mov\tr0, #0\n\t"
                                "add\tpc, pc, #0\n\t"
@@ -2544,11 +2544,12 @@ let Defs =
 }
 
 let Defs =
-  [ R0,  R1,  R2,  R3,  R4,  R5,  R6,  R7,  R8,  R9,  R10, R11, R12, LR ] in {
+  [ R0,  R1,  R2,  R3,  R4,  R5,  R6,  R7,  R8,  R9,  R10, R11, R12, LR ],
+  hasSideEffects = 1, isBarrier = 1 in {
   def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
                                    AddrModeNone, SizeSpecial, IndexModeNone,
                                    Pseudo, NoItinerary,
-                                   "add\t$val, pc, #8\n ${:comment} eh_setjmp begin\t"
+                                   "add\t$val, pc, #4\n ${:comment} eh_setjmp begin\n\t"
                                    "str\t$val, [$src, #+4]\n\t"
                                    "mov\tr0, #0\n\t"
                                    "add\tpc, pc, #0\n\t"

diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td
index 1458bb4930aabcd7b91b1df65ce6bfeb2d9d9001..d24b739bc24ab702039d032fbff18bd89a88905c 100644 (file)
--- a/lib/Target/ARM/ARMInstrThumb.td
+++ b/lib/Target/ARM/ARMInstrThumb.td
@@ -925,7 +925,8 @@ let isCall = 1,
 //   all of the callee-saved resgisters, which is exactly what we want.
 //   $val is a scratch register for our use.
 let Defs =
-  [ R0,  R1,  R2,  R3,  R4,  R5,  R6,  R7, R12 ] in {
+  [ R0,  R1,  R2,  R3,  R4,  R5,  R6,  R7, R12 ], hasSideEffects = 1,
+   isBarrier = 1  in {
   def tInt_eh_sjlj_setjmp : ThumbXI<(outs),(ins tGPR:$src, tGPR:$val),
                               AddrModeNone, SizeSpecial, NoItinerary,
                               "mov\t$val, pc\t${:comment} begin eh.setjmp\n"

diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index 09a88474f501b0df61d030b1b4d0cd7147957cee..b2b741e092cd6bef8edc19135e698fa12131cfd4 100644 (file)
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -2394,7 +2394,7 @@ let Defs =
   [ R0,  R1,  R2,  R3,  R4,  R5,  R6,  R7,  R8,  R9,  R10, R11, R12, LR,  D0,
     D1,  D2,  D3,  D4,  D5,  D6,  D7,  D8,  D9,  D10, D11, D12, D13, D14, D15,
     D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
-    D31 ] in {
+    D31 ], hasSideEffects = 1, isBarrier = 1 in {
   def t2Int_eh_sjlj_setjmp : Thumb2XI<(outs), (ins GPR:$src, tGPR:$val),
                                AddrModeNone, SizeSpecial, NoItinerary,
                                "mov\t$val, pc\t${:comment} begin eh.setjmp\n"
@@ -2409,7 +2409,8 @@ let Defs =
 }
 
 let Defs =
-  [ R0,  R1,  R2,  R3,  R4,  R5,  R6,  R7,  R8,  R9,  R10, R11, R12, LR ] in {
+  [ R0,  R1,  R2,  R3,  R4,  R5,  R6,  R7,  R8,  R9,  R10, R11, R12, LR ],
+  hasSideEffects = 1, isBarrier = 1 in {
   def t2Int_eh_sjlj_setjmp_nofp : Thumb2XI<(outs), (ins GPR:$src, tGPR:$val),
                                AddrModeNone, SizeSpecial, NoItinerary,
                                "mov\t$val, pc\t${:comment} begin eh.setjmp\n"