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author | Jeff Law <law@redhat.com> | 1995-08-31 04:07:00 +0000 |
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committer | Jeff Law <law@redhat.com> | 1995-08-31 04:07:00 +0000 |
commit | 2ca7c3c41703f380668e19a9407adb72095edcce (patch) | |
tree | 0488eaf362659b5188a482c792aaef63b7a72c4d /sim/sh/gencode.c | |
parent | ebcb9b6d4e72dba5af48e7aae245ed829938e873 (diff) | |
download | fsf-binutils-gdb-2ca7c3c41703f380668e19a9407adb72095edcce.zip fsf-binutils-gdb-2ca7c3c41703f380668e19a9407adb72095edcce.tar.gz fsf-binutils-gdb-2ca7c3c41703f380668e19a9407adb72095edcce.tar.bz2 |
* gencode.c (gensim): abort if an unknown opcode is encountered.
Diffstat (limited to 'sim/sh/gencode.c')
-rw-r--r-- | sim/sh/gencode.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/sim/sh/gencode.c b/sim/sh/gencode.c index 476acc1..7685b71 100644 --- a/sim/sh/gencode.c +++ b/sim/sh/gencode.c @@ -151,14 +151,10 @@ op tab[] = "{ int tmp = PC; PC=RLAT(R[15])+2;R[15]+=4;SET_SR(RLAT(R[15]) & 0x3f3);R[15]+=4;SL(tmp+2);}"}, {"","","rts", "0000000000001011", "ult=PC;PC=PR+2;SL(ult+2);"}, {"","","sett", "0000000000011000", "T=1;"}, - -/* start-sanitize-sh3 */ {"n","mn","shad <REG_M>,<REG_N>", "0100nnnnmmmm1100", "R[n] = (R[m] < 0) ? (((int)R[n]) >> -(R[m]&0x1f) ): (R[n] << ((R[m]) & 0x1f)) ;"}, - {"n","mn","shld <REG_M>,<REG_N>", "0100nnnnmmmm1101", "R[n] = (R[m] < 0) ? (((unsigned int)R[n]) >> -(R[m]&0x1f) ): (R[n] << ((R[m]) & 0x1f)) ;"}, -/* end-sanitize-sh3 */ {"n","n","shal <REG_N>", "0100nnnn00100000", "T=R[n]<0; R[n]<<=1;"}, {"n","n","shar <REG_N>", "0100nnnn00100001", "T=R[n]&1; R[n] = R[n] >> 1;"}, {"n","n","shll <REG_N>", "0100nnnn00000000", "T=R[n]<0; R[n]<<=1;"}, @@ -190,7 +186,7 @@ op tab[] = {"n","nm","swap.w <REG_M>,<REG_N>", "0110nnnnmmmm1001", "R[n]=((R[m]<<16)&0xffff0000)|((R[m]>>16)&0x00ffff);"}, {"","n","tas.b @<REG_N>", "0100nnnn00011011", "ult=RBAT(R[n]);T=ult==0;WBAT(R[n],ult|0x80);"}, {"0","","trapa #<imm>", "11000011i8*1....", - "{ long imm = 0xff & i; if (i<20||i==0xc3) trap(i,R,memory,maskl,maskw,little_endian); else { R[15]-=4; WLAT(R[15],GET_SR()); R[15]-=4;WLAT(R[15],PC+2); PC=RLAT(VBR+(imm<<2))-2;}}"}, + "{ long imm = 0xff & i; if (i<20||i==34||i==0xc3) trap(i,R,memory,maskl,maskw,little_endian); else { R[15]-=4; WLAT(R[15],GET_SR()); R[15]-=4;WLAT(R[15],PC+2); PC=RLAT(VBR+(imm<<2))-2;}}"}, {"","0","tst #<imm>,R0", "11001000i8*1....", "T=(R0&i)==0;"}, {"","mn","tst <REG_M>,<REG_N>", "0010nnnnmmmm1000", "T=(R[n]&R[m])==0;"}, {"","0","tst.b #<imm>,@(R0,GBR)", "11001100i8*1....", "T=(RBAT(GBR+R0)&i)==0;"}, @@ -466,7 +462,7 @@ genopc () printf ("sh_opcode_info sh_table[]={\n"); for (p = tab; p->name; p++) { - printf ("\n\/\* %s %-20s*/", p->code, p->name); + printf ("\n/* %s %-20s*/", p->code, p->name); think (p); } printf ("0};\n"); @@ -619,7 +615,7 @@ gensim () char *s = p->code; - printf ("\/\* %s %s *\/\n", p->name, p->code); + printf ("/* %s %s */\n", p->name, p->code); printf ("case %d: \n", p->index); printf ("{\n"); @@ -718,6 +714,7 @@ gensim () printf ("break;\n"); printf ("}\n"); } + printf("default:\n{\nabort();;\n}\n"); printf ("}\n}\n"); } |