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authorJeff Law <law@redhat.com>1998-07-23 16:31:41 +0000
committerJeff Law <law@redhat.com>1998-07-23 16:31:41 +0000
commit4b6651c92520a6c026850a79ff30996d9d261ac2 (patch)
treea510d9226a126026b6f5e8ed49c6af9869c3772b /sim/mn10300
parentbf00990ea962edae817bd7140ff9e0a362eb61db (diff)
downloadgdb-4b6651c92520a6c026850a79ff30996d9d261ac2.zip
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* am33.igen: Add some missing instructions.
Missed a few last week... Grrr.
Diffstat (limited to 'sim/mn10300')
-rw-r--r--sim/mn10300/ChangeLog2
-rw-r--r--sim/mn10300/am33.igen249
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