* gencode.c: jsr, bsr and bsrf actually save pc+4 in pr, and rts
authorStu Grossman <grossman@cygnus>
Wed, 15 Nov 1995 00:47:21 +0000 (00:47 +0000)
committerStu Grossman <grossman@cygnus>
Wed, 15 Nov 1995 00:47:21 +0000 (00:47 +0000)
actually uses pr+0.

sim/sh/ChangeLog
sim/sh/gencode.c

index 19db378..3879582 100644 (file)
@@ -1,6 +1,7 @@
 Tue Nov 14 15:19:43 1995  Stu Grossman  (grossman@cygnus.com)
 
-       * gencode.c:  jsr actually saves pc+4, and rts actually uses pr+0.
+       * gencode.c:  jsr, bsr and bsrf actually save pc+4 in pr, and rts
+       actually uses pr+0.
 
 Sat Oct 21 13:01:18 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
 
index 1c79f87..7c7f426 100644 (file)
@@ -58,7 +58,7 @@ op tab[] =
   {"","0","and.b #<imm>,@(R0,GBR)", "11001101i8*1....", ";WBAT(GBR+R0, RBAT(GBR+R0) & i);"},
 
   {"","","bra <bdisp12>", "1010i12.........", "ult = PC; PC=PC+(i<<1)+2;SL(ult+2);"},
-  {"","","bsr <bdisp12>", "1011i12.........", "PR = PC; PC=PC+(i<<1)+2;SL(PR+2);"},
+  {"","","bsr <bdisp12>", "1011i12.........", "PR = PC + 4; PC=PC+(i<<1)+2;SL(PR-2);"},
   {"","","bt <bdisp8>", "10001001i8p1....", "if(T) {PC+=(SEXT(i)<<1)+2;C+=2;}"},
   {"","","bf <bdisp8>", "10001011i8p1....", "if(T==0) {PC+=(SEXT(i)<<1)+2;C+=2;}"},
   {"","","bt.s <bdisp8>", "10001101i8p1....","if(T) {ult = PC; PC+=(SEXT(i)<<1)+2;C+=2;SL(ult+2);}"},
@@ -200,7 +200,7 @@ op tab[] =
   {"","nm","dmulu.l <REG_M>,<REG_N>", "0011nnnnmmmm0101", "dmul(0,R[n],R[m]);"},
   {"","nm","mac.l @<REG_M>+,@<REG_N>+", "0000nnnnmmmm1111", "abort();"},
   {"","n","braf <REG_N>", "0000nnnn00100011", "ult = PC; PC+=R[n]-2;SL(ult+2);"},
-  {"","n","bsrf <REG_N>", "0000nnnn00000011", "PR = PC; PC+=R[n]-2;SL(PR+2);"},
+  {"","n","bsrf <REG_N>", "0000nnnn00000011", "PR = PC + 4; PC+=R[n]-2;SL(PR-2);"},
 #if 0
   {"divs.l <REG_M>,<REG_N>", "0100nnnnmmmm1110", "divl(0,R[n],R[m]);"},
   {"divu.l <REG_M>,<REG_N>", "0100nnnnmmmm1101", "divl(0,R[n],R[m]);"},