diff options
| -rw-r--r-- | mu_instructions | 18 | ||||
| -rw-r--r-- | mu_summary | 4 |
2 files changed, 22 insertions, 0 deletions
diff --git a/mu_instructions b/mu_instructions index 4d3c554b..35f9e141 100644 --- a/mu_instructions +++ b/mu_instructions @@ -63,6 +63,7 @@ var/ebx <- increment {.name="increment", .outputs=[ var/esi <- increment {.name="increment", .outputs=[esi], .subx-name="46/increment-esi"} var/edi <- increment {.name="increment", .outputs=[edi], .subx-name="47/increment-edi"} increment var {.name="increment", .inouts=[var], .subx-name="ff 0/subop/increment", .rm32="*(ebp+" inouts[0].stack-offset ")"} +increment *var/reg {.name="increment", .inouts=[reg], .subx-name="ff 0/subop/increment", .rm32="*" inouts[0]} var/eax <- decrement {.name="decrement", .outputs=[eax], .subx-name="48/decrement-eax"} var/ecx <- decrement {.name="decrement", .outputs=[ecx], .subx-name="49/decrement-ecx"} @@ -71,41 +72,52 @@ var/ebx <- decrement {.name="decrement", .outputs=[ var/esi <- decrement {.name="decrement", .outputs=[esi], .subx-name="4e/decrement-esi"} var/edi <- decrement {.name="decrement", .outputs=[edi], .subx-name="4f/decrement-edi"} decrement var {.name="decrement", .inouts=[var], .subx-name="ff 1/subop/decrement", .rm32="*(ebp+" inouts[0].stack-offset ")"} +decrement *var/reg {.name="decrement", .inouts=[reg], .subx-name="ff 1/subop/decrement", .rm32="*" inouts[0]} var1/reg1 <- add var2/reg2 {.name="add", .inouts=[reg2], .outputs=[reg1], .subx-name="01/add<-", .rm32=outputs[0], .r32=inouts[0]} var/reg <- add var2 {.name="add", .inouts=[var2], .outputs=[reg], .subx-name="03/add->", .rm32="*(ebp+" inouts[0].stack-offset ")", .r32=outputs[0]} +var/reg <- add *var2/reg2 {.name="add", .inouts=[reg2], .outputs=[reg], .subx-name="03/add->", .rm32="*" inouts[0], .r32=outputs[0]} add-to var1, var2/reg {.name="add-to", .inouts=[var1, var2], .subx-name="01/add<-", .rm32="*(ebp+" inouts[0].stack-offset ")", .r32=inouts[1]} var/eax <- add n {.name="add", .inouts=[n], .outputs=[eax], .subx-name="05/add-to-eax", .imm32=inouts[0]} var/reg <- add n {.name="add", .inouts=[n], .outputs=[reg], .subx-name="81 0/subop/add", .rm32=outputs[0], .imm32=inouts[0]} add-to var, n {.name="add-to", .inouts=[var, n], .subx-name="81 0/subop/add", .rm32="*(ebp+" inouts[0].stack-offset ")", .imm32=inouts[1]} +add-to *var/reg, n {.name="add-to", .inouts=[reg, n], .subx-name="81 0/subop/add", .rm32="*" inouts[0], .imm32=inouts[1]} var1/reg1 <- sub var2/reg2 {.name="sub", .inouts=[reg2], .outputs=[reg1], .subx-name="29/sub<-", .rm32=outputs[0], .r32=inouts[0]} var/reg <- sub var2 {.name="sub", .inouts=[var2], .outputs=[reg], .subx-name="2b/sub->", .rm32="*(ebp+" inouts[0].stack-offset ")", .r32=outputs[0]} +var/reg <- sub *var2/reg2 {.name="sub", .inouts=[reg2], .outputs=[reg], .subx-name="2b/sub->", .rm32="*" inouts[0], .r32=outputs[0]} sub-from var1, var2/reg {.name="sub-from", .inouts=[var1, var2], .subx-name="29/sub<-", .rm32="*(ebp+" inouts[0].stack-offset ")", .r32=inouts[1]} var/eax <- sub n {.name="sub", .inouts=[n], .outputs=[eax], .subx-name="2d/sub-from-eax", .imm32=inouts[0]} var/reg <- sub n {.name="sub", .inouts=[n], .outputs=[reg], .subx-name="81 5/subop/subtract", .rm32=outputs[0], .imm32=inouts[0]} sub-from var, n {.name="sub-from", .inouts=[var, n], .subx-name="81 5/subop/subtract", .rm32="*(ebp+" inouts[0].stack-offset ")", .imm32=inouts[1]} +sub-from *var/reg, n {.name="sub-from", .inouts=[reg, n], .subx-name="81 5/subop/subtract", .rm32="*" inouts[0], .imm32=inouts[1]} var1/reg1 <- and var2/reg2 {.name="and", .inouts=[reg2], .outputs=[reg1], .subx-name="21/and<-", .rm32=outputs[0], .r32=inouts[0]} var/reg <- and var2 {.name="and", .inouts=[var2], .outputs=[reg], .subx-name="23/and->", .rm32="*(ebp+" inouts[0].stack-offset ")", .r32=outputs[0]} +var/reg <- and *var2/reg2 {.name="and", .inouts=[reg2], .outputs=[reg], .subx-name="23/and->", .rm32="*" inouts[0], .r32=outputs[0]} and-with var1, var2/reg {.name="and-with", .inouts=[var1, reg], .subx-name="21/and<-", .rm32="*(ebp+" inouts[0].stack-offset ")", .r32=inouts[1]} var/eax <- and n {.name="and", .inouts=[n], .outputs=[eax], .subx-name="25/and-with-eax", .imm32=inouts[0]} var/reg <- and n {.name="and", .inouts=[n], .outputs=[reg], .subx-name="81 4/subop/and", .rm32=outputs[0], .imm32=inouts[0]} and-with var, n {.name="and-with", .inouts=[var, n], .subx-name="81 4/subop/and", .rm32="*(ebp+" inouts[0].stack-offset ")", .imm32=inouts[1]} +and-with *var/reg, n {.name="and-with", .inouts=[reg, n], .subx-name="81 4/subop/and", .rm32="*" inouts[0], .imm32=inouts[1]} var1/reg1 <- or var2/reg2 {.name="or", .inouts=[reg2], .outputs=[reg1], .subx-name="09/or<-", .rm32=outputs[0], .r32=inouts[0]} var/reg <- or var2 {.name="or", .inouts=[var2], .outputs=[reg], .subx-name="0b/or->", .rm32="*(ebp+" inouts[0].stack-offset ")", .r32=outputs[0]} +var/reg <- or *var2/reg2 {.name="or", .inouts=[reg2], .outputs=[reg], .subx-name="0b/or->", .rm32="*" inouts[0], .r32=outputs[0]} or-with var1, var2/reg {.name="or-with", .inouts=[var1, reg], .subx-name="09/or<-", .rm32="*(ebp+" inouts[0].stack-offset ")", .r32=inouts[1]} var/eax <- or n {.name="or", .inouts=[n], .outputs=[eax], .subx-name="0d/or-with-eax", .imm32=inouts[0]} var/reg <- or n {.name="or", .inouts=[n], .outputs=[reg], .subx-name="81 1/subop/or", .rm32=outputs[0], .imm32=inouts[0]} or-with var, n {.name="or-with", .inouts=[var, n], .subx-name="81 1/subop/or", .rm32="*(ebp+" inouts[0].stack-offset ")", .imm32=inouts[1]} +or-with *var/reg, n {.name="or-with", .inouts=[reg, n], .subx-name="81 1/subop/or", .rm32="*" inouts[0], .imm32=inouts[1]} var1/reg1 <- xor var2/reg2 {.name="xor", .inouts=[reg2], .outputs=[reg1], .subx-name="31/xor<-", .rm32=outputs[0], .r32=inouts[0]} var/reg <- xor var2 {.name="xor", .inouts=[var2], .outputs=[reg], .subx-name="33/xor->", .rm32="*(ebp+" inouts[0].stack-offset ")", .r32=outputs[0]} +var/reg <- xor *var2/reg2 {.name="xor", .inouts=[reg2], .outputs=[reg], .subx-name="33/xor->", .rm32="*" inouts[0], .r32=outputs[0]} xor-with var1, var2/reg {.name="xor-with", .inouts=[var1, reg], .subx-name="31/xor<-", .rm32="*(ebp+" inouts[0].stack-offset ")", .r32=inouts[1]} var/eax <- xor n {.name="xor", .inouts=[n], .outputs=[eax], .subx-name="35/xor-with-eax", .imm32=inouts[0]} var/reg <- xor n {.name="xor", .inouts=[n], .outputs=[reg], .subx-name="81 6/subop/xor", .rm32=outputs[0], .imm32=inouts[0]} xor-with var, n {.name="xor-with", .inouts=[var, n], .subx-name="81 6/subop/xor", .rm32="*(ebp+" inouts[0].stack-offset ")", .imm32=inouts[1]} +xor-with *var/reg, n {.name="xor-with", .inouts=[reg, n], .subx-name="81 6/subop/xor", .rm32="*" inouts[0], .imm32=inouts[1]} var/eax <- copy n {.name="copy", .inouts=[n], .outputs=[eax], .subx-name="b8/copy-to-eax", .imm32=inouts[0]} var/ecx <- copy n {.name="copy", .inouts=[n], .outputs=[ecx], .subx-name="b9/copy-to-ecx", .imm32=inouts[0]} @@ -116,15 +128,21 @@ var/edi <- copy n {.name="copy", .inouts=[n], .outputs=[ var1/reg1 <- copy var2/reg2 {.name="copy", .inouts=[reg2], .outputs=[reg1], .subx-name="89/copy-to", .rm32=outputs[0], .r32=inouts[0]} copy-to var1, var2/reg {.name="copy-to", .inouts=[var1, var2], .subx-name="01/add<-", .rm32="*(ebp+" inouts[0].stack-offset ")", .r32=inouts[1]} var/reg <- copy var2 {.name="copy", .inouts=[var2], .outputs=[reg], .subx-name="8b/copy-from", .rm32="*(ebp+" inouts[0].stack-offset ")", .r32=outputs[0]} +var1/reg <- copy *var2/reg2 {.name="copy", .inouts=[reg2], .outputs=[reg], .subx-name="8b/copy-from", .rm32="*" inouts[0], .r32=outputs[0]} var/reg <- copy n {.name="copy", .inouts=[n], .outputs=[reg], .subx-name="c7 0/subop/copy", .rm32=outputs[0], .imm32=inouts[0]} copy-to var, n {.name="copy-to", .inouts=[var, n], .subx-name="c7 0/subop/copy", .rm32="*(ebp+" inouts[0].stack-offset ")", .imm32=inouts[1]} +copy-to *var/reg, n {.name="copy-to", .inouts=[reg, n], .subx-name="c7 0/subop/copy", .rm32="*" inouts[0], .imm32=inouts[1]} compare var1, var2/reg {.name="compare", .inouts=[var1, reg], .subx-name="39/compare->", .rm32="*(ebp+" inouts[0].stack-offset ")", .r32=inouts[1]} +compare *var1/reg1, var/reg {.name="compare", .inouts=[reg1, reg], .subx-name="39/compare->", .rm32="*" inouts[0], .r32=inouts[1]} compare var1/reg, var2 {.name="compare", .inouts=[reg, var2], .subx-name="3b/compare<-", .rm32="*(ebp+" inouts[1].stack-offset ")", .r32=inouts[0]} +compare var/reg, *var2/reg2 {.name="compare", .inouts=[reg, reg2], .subx-name="3b/compare<-", .rm32="*" inouts[1], .r32=inouts[0]} compare var/eax, n {.name="compare", .inouts=[eax, n], .subx-name="3d/compare-eax-with", .imm32=inouts[1]} compare var, n {.name="compare", .inouts=[var, n], .subx-name="81 7/subop/compare", .rm32="*(ebp+" inouts[0].stack-offset ")", .imm32=inouts[1]} +compare *var/reg, n {.name="compare", .inouts=[reg, n], .subx-name="81 7/subop/compare", .rm32="*" inouts[0], .imm32=inouts[1]} var/reg <- multiply var2 {.name="multiply", .inouts=[var2], .outputs=[reg], .subx-name="0f af/multiply", .rm32="*(ebp+" inouts[0].stack-offset ")", .r32=outputs[0]} +var/reg <- multiply *var2/reg2 { .name="multiply", .inouts=[reg2], .outputs=[reg], .subx-name="0f af/multiply", .rm32="*" inouts[0], .r32=outputs[0]} Jumps have a slightly simpler format. Most of the time they take no inouts or outputs. Occasionally you give them a label for a containing block to jump to diff --git a/mu_summary b/mu_summary index 2d48d2de..8eafc4e3 100644 --- a/mu_summary +++ b/mu_summary @@ -114,6 +114,10 @@ register): Notice that there are no primitive instructions operating on two variables in memory. That's a restriction of the underlying x86 processor. +Any instruction above that takes a variable in memory can be replaced with a +dereference (`*`) of an address variable in a register. But you can't dereference +variables in memory. + ## Primitive jump instructions There are two kinds of jumps, both with many variations: `break` and `loop`. |