diff options
author | Jeff Law <law@redhat.com> | 1998-07-23 16:31:41 +0000 |
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committer | Jeff Law <law@redhat.com> | 1998-07-23 16:31:41 +0000 |
commit | 4b6651c92520a6c026850a79ff30996d9d261ac2 (patch) | |
tree | a510d9226a126026b6f5e8ed49c6af9869c3772b /sim | |
parent | bf00990ea962edae817bd7140ff9e0a362eb61db (diff) | |
download | gdb-4b6651c92520a6c026850a79ff30996d9d261ac2.zip gdb-4b6651c92520a6c026850a79ff30996d9d261ac2.tar.gz gdb-4b6651c92520a6c026850a79ff30996d9d261ac2.tar.bz2 |
* am33.igen: Add some missing instructions.
Missed a few last week... Grrr.
Diffstat (limited to 'sim')
-rw-r--r-- | sim/mn10300/ChangeLog | 2 | ||||
-rw-r--r-- | sim/mn10300/am33.igen | 249 |
2 files changed, 240 insertions, 11 deletions
diff --git a/sim/mn10300/ChangeLog b/sim/mn10300/ChangeLog index e8492db..5b88b7c 100644 --- a/sim/mn10300/ChangeLog +++ b/sim/mn10300/ChangeLog @@ -1,6 +1,8 @@ start-sanitize-am33 Thu Jul 23 10:05:28 1998 Jeffrey A Law (law@cygnus.com) + * am33.igen: Add some missing instructions. + * am33.igen: Autoincrement loads/store fixes. Tue Jul 21 09:48:14 1998 Jeffrey A Law (law@cygnus.com) diff --git a/sim/mn10300/am33.igen b/sim/mn10300/am33.igen index 1123d8c..38b8c34 100644 --- a/sim/mn10300/am33.igen +++ b/sim/mn10300/am33.igen @@ -4309,7 +4309,7 @@ srcreg = translate_rreg (SD_, RM0); dstreg = translate_rreg (SD_, RN2); State.regs[dstreg] = load_word (State.regs[srcreg]); - State.regs[srcreg] += FETCH32 (IMM32A, IMM32B, IMM32C, IMM32D)); + State.regs[srcreg] += FETCH32 (IMM32A, IMM32B, IMM32C, IMM32D); } // 1111 1110 0111 1010 Rm Rn IMM32; mov Rm,(d32,Rn+) @@ -4435,16 +4435,243 @@ } -// ??? mac -// ??? macu -// ??? macb -// ??? macbu -// ??? mach -// ??? machu -// ??? dmach -// ??? dmachu -// ??? dmulh -// ??? dmulhu +// 1111 1110 0000 1011 Rn Rn IMM32; mac imm32,Rn +8.0xfe+8.0x0b+4.RN2,4.RN0=RN2+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D5:::mac +"mac" +*am33 +{ + int srcreg, imm; + long long temp, sum; + int c, v; + + PC = cia; + srcreg = translate_rreg (SD_, RN0); + imm = FETCH32 (IMM32A, IMM32B, IMM32C, IMM32D); + + temp = ((signed64)(signed32)State.regs[srcreg] + * (signed64)(signed32)imm); + sum = State.regs[REG_MCRL] + (temp & 0xffffffff); + c = (sum < State.regs[REG_MCRL]) || (sum < (temp & 0xffffffff)); + State.regs[REG_MCRL] = sum; + temp >>= 32; + temp &= 0xffffffff; + sum = State.regs[REG_MCRH] + temp + c; + v = ((State.regs[REG_MCRH] & 0x80000000) == (temp & 0x80000000) + && (temp & 0x80000000) != (sum & 0x80000000)); + State.regs[REG_MCRH] = sum; + if (v) + State.regs[REG_MCVF] = 1; +} + +// 1111 1110 0001 1011 Rn Rn IMM32; macu imm32,Rn +8.0xfe+8.0x1b+4.RN2,4.RN0=RN2+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D5:::macu +"macu" +*am33 +{ + int srcreg, imm; + long long temp, sum; + int c, v; + + PC = cia; + srcreg = translate_rreg (SD_, RN0); + imm = FETCH32 (IMM32A, IMM32B, IMM32C, IMM32D); + + temp = ((unsigned64)State.regs[srcreg] + * (unsigned64)imm); + sum = State.regs[REG_MCRL] + (temp & 0xffffffff); + c = (sum < State.regs[REG_MCRL]) || (sum < (temp & 0xffffffff)); + State.regs[REG_MCRL] = sum; + temp >>= 32; + temp &= 0xffffffff; + sum = State.regs[REG_MCRH] + temp + c; + v = ((State.regs[REG_MCRH] & 0x80000000) == (temp & 0x80000000) + && (temp & 0x80000000) != (sum & 0x80000000)); + State.regs[REG_MCRH] = sum; + if (v) + State.regs[REG_MCVF] = 1; +} + +// 1111 1110 0010 1011 Rn Rn IMM32; macb imm32,Rn +8.0xfe+8.0x2b+4.RN2,4.RN0=RN2+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D5:::macb +"macb" +*am33 +{ + int srcreg, imm; + long temp, sum; + int v; + + PC = cia; + srcreg = translate_rreg (SD_, RN0); + imm = FETCH32 (IMM32A, IMM32B, IMM32C, IMM32D); + + temp = ((signed32)(signed8)(State.regs[srcreg] & 0xff) + * (signed32)(signed8)(imm & 0xff)); + sum = State.regs[REG_MCRL] + temp; + v = ((State.regs[REG_MCRL] & 0x80000000) == (temp & 0x80000000) + && (temp & 0x80000000) != (sum & 0x80000000)); + State.regs[REG_MCRL] = sum; + if (v) + State.regs[REG_MCVF] = 1; +} + +// 1111 1110 0011 1011 Rn Rn IMM32; macbu imm32,Rn +8.0xfe+8.0x3b+4.RN2,4.RN0=RN2+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D5:::macbu +"macbu" +*am33 +{ + int srcreg, imm; + long temp, sum; + int v; + + PC = cia; + srcreg = translate_rreg (SD_, RN0); + imm = FETCH32 (IMM32A, IMM32B, IMM32C, IMM32D); + + temp = ((unsigned32)(State.regs[srcreg] & 0xff) + * (unsigned32)(imm & 0xff)); + sum = State.regs[REG_MCRL] + temp; + v = ((State.regs[REG_MCRL] & 0x80000000) == (temp & 0x80000000) + && (temp & 0x80000000) != (sum & 0x80000000)); + State.regs[REG_MCRL] = sum; + if (v) + State.regs[REG_MCVF] = 1; +} + +// 1111 1110 0100 1011 Rn Rn IMM32; mach imm32,Rn +8.0xfe+8.0x4b+4.RN2,4.RN0=RN2+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D5:::mach +"mach" +*am33 +{ + int srcreg, imm; + long temp, sum; + int v; + + PC = cia; + srcreg = translate_rreg (SD_, RN0); + imm = FETCH32 (IMM32A, IMM32B, IMM32C, IMM32D); + + temp = ((signed32)(signed16)(State.regs[srcreg] & 0xffff) + * (signed32)(signed16)(imm & 0xffff)); + sum = State.regs[REG_MCRL] + temp; + v = ((State.regs[REG_MCRL] & 0x80000000) == (temp & 0x80000000) + && (temp & 0x80000000) != (sum & 0x80000000)); + State.regs[REG_MCRL] = sum; + if (v) + State.regs[REG_MCVF] = 1; +} + +// 1111 1110 0101 1011 Rn Rn IMM32; machu imm32,Rn +8.0xfe+8.0x5b+4.RN2,4.RN0=RN2+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D5:::machu +"machu" +*am33 +{ + int srcreg, imm; + long temp, sum; + int v; + + PC = cia; + srcreg = translate_rreg (SD_, RN0); + imm = FETCH32 (IMM32A, IMM32B, IMM32C, IMM32D); + + temp = ((unsigned32)(State.regs[srcreg] & 0xffff) + * (unsigned32)(imm & 0xffff)); + sum = State.regs[REG_MCRL] + temp; + v = ((State.regs[REG_MCRL] & 0x80000000) == (temp & 0x80000000) + && (temp & 0x80000000) != (sum & 0x80000000)); + State.regs[REG_MCRL] = sum; + if (v) + State.regs[REG_MCVF] = 1; +} + +// 1111 1110 0110 1011 Rn Rn IMM32; dmach imm32,Rn +8.0xfe+8.0x6b+4.RN2,4.RN0=RN2+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D5:::dmach +"dmach" +*am33 +{ + int srcreg, imm; + long temp, temp2, sum; + int v; + + PC = cia; + srcreg = translate_rreg (SD_, RN0); + imm = FETCH32 (IMM32A, IMM32B, IMM32C, IMM32D); + + temp = ((signed32)(signed16)(State.regs[srcreg] & 0xffff) + * (signed32)(signed16)(imm & 0xffff)); + temp2 = ((signed32)(signed16)((State.regs[srcreg] >> 16) & 0xffff) + * (signed32)(signed16)((imm >> 16) & 0xffff)); + sum = temp + temp2 + State.regs[REG_MCRL]; + v = ((State.regs[REG_MCRL] & 0x80000000) == (temp & 0x80000000) + && (temp & 0x80000000) != (sum & 0x80000000)); + State.regs[REG_MCRL] = sum; + if (v) + State.regs[REG_MCVF] = 1; +} + +// 1111 1110 0111 1011 Rn Rn IMM32; dmachu imm32,Rn +8.0xfe+8.0x7b+4.RN2,4.RN0=RN2+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D5:::dmachu +"dmachu" +*am33 +{ + int srcreg, imm; + long temp, temp2, sum; + int v; + + PC = cia; + srcreg = translate_rreg (SD_, RN0); + imm = FETCH32 (IMM32A, IMM32B, IMM32C, IMM32D); + + temp = ((unsigned32)(State.regs[srcreg] & 0xffff) + * (unsigned32)(imm & 0xffff)); + temp2 = ((unsigned32)((State.regs[srcreg] >> 16) & 0xffff) + * (unsigned32)((imm >> 16) & 0xffff)); + sum = temp + temp2 + State.regs[REG_MCRL]; + v = ((State.regs[REG_MCRL] & 0x80000000) == (temp & 0x80000000) + && (temp & 0x80000000) != (sum & 0x80000000)); + State.regs[REG_MCRL] = sum; + if (v) + State.regs[REG_MCVF] = 1; +} + +// 1111 1110 1000 1011 Rn Rn IMM32; dmulh imm32,Rn +8.0xfe+8.0x8b+4.RN2,4.RN0=RN2+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D5:::dmulh +"dmulh" +*am33 +{ + int imm, dstreg; + long temp; + + PC = cia; + dstreg = translate_rreg (SD_, RN0); + imm = FETCH32 (IMM32A, IMM32B, IMM32C, IMM32D); + + temp = ((signed32)(signed16)(State.regs[dstreg] & 0xffff) + * (signed32)(signed16)(imm & 0xffff)); + State.regs[REG_MDRQ] = temp; + temp = ((signed32)(signed16)((State.regs[dstreg] >> 16) & 0xffff) + * (signed32)(signed16)((imm>>16) & 0xffff)); + State.regs[dstreg] = temp; +} + +// 1111 1110 1001 1011 Rn Rn IMM32; dmulhu imm32,Rn +8.0xfe+8.0x9b+4.RN2,4.RN0=RN2+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D5:::dmulhu +"dmulhu" +*am33 +{ + int imm, dstreg; + long temp; + + PC = cia; + dstreg = translate_rreg (SD_, RN0); + imm = FETCH32 (IMM32A, IMM32B, IMM32C, IMM32D); + + temp = ((unsigned32)(State.regs[dstreg] & 0xffff) + * (unsigned32)(imm & 0xffff)); + State.regs[REG_MDRQ] = temp; + temp = ((unsigned32)((State.regs[dstreg] >> 16) & 0xffff) + * (unsigned32)((imm >>16) & 0xffff)); + State.regs[dstreg] = temp; +} // 1111 1110 0000 1110 Rn 0000 IMM32; mov (abs32),Rn 8.0xfe+8.0x0e+4.RN2,4.0x0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D5h:::mov |