| Rev |
Log message |
Author |
Age |
Path |
| 144 |
Makes the auto-reload capability a configuration option, and fills out the
reset so that it is properly implemented. |
dgisselq |
3066d 00h |
/zipcpu/trunk/ |
| 143 |
This section belatedly adjusts the zasm assembler so that it can handle
the LONG_MPY changes that have taken place. However, the test.S assembler
test script is still not properly testing the multiplies--at least it will
succeed on everything else. |
dgisselq |
3066d 00h |
/zipcpu/trunk/ |
| 142 |
Bug fix--fixes some problems with conditional execution, as well as removing
an unnecessary peephole optimization. |
dgisselq |
3067d 00h |
/zipcpu/trunk/ |
| 141 |
Fixes two bugs: one causing merged strings in the read only string section to
be referenced at the wrong address, and the second which caused the assembler
to fail at SYMBOL-OFFSET references. |
dgisselq |
3067d 01h |
/zipcpu/trunk/ |
| 140 |
Minor changes, but fixes build of zippy_tb.cpp. |
dgisselq |
3069d 13h |
/zipcpu/trunk/ |
| 139 |
Changes necessary to document the changed instruction set: LDIHI became MPY,
and MPYU and MPYS became MPYUHI and MPYSHI respectively. See the specification
for more details. |
dgisselq |
3072d 10h |
/zipcpu/trunk/ |
| 138 |
This updates the CPU multiply instruction into a set of three instructions.
MPY is a 32x32-bit multiply instruction, returning the low 32-bit result,
MPYUHI returns the upper 32-bits assuming the result was unsigned and MPYSHI
returns the upper 32-bits assuming the result was signed. |
dgisselq |
3072d 10h |
/zipcpu/trunk/ |
| 137 |
This should (again) fix the bug of trying to build optest.cpp. |
dgisselq |
3086d 04h |
/zipcpu/trunk/ |
| 136 |
Oops --- missed a couple HOST_WIDE_INT values in a printf. This casts them
to (long), so that we can work on both PC's and ARMs. |
dgisselq |
3086d 04h |
/zipcpu/trunk/ |
| 135 |
Replaced all occurrences of INTVAL(...) on printf lines with (long)INTVAL(...).
This should fix the problems zip-gcc was having while running on the ARM. |
dgisselq |
3086d 04h |
/zipcpu/trunk/ |
| 134 |
Working updates, to keep this up to date with the RTL code. |
dgisselq |
3087d 01h |
/zipcpu/trunk/ |
| 133 |
Changes preceding an instruction set update, which will change the multiply
operation from a 16x16 bit multiply to three types of 32x32-bit multiplies. |
dgisselq |
3087d 01h |
/zipcpu/trunk/ |
| 132 |
Lots of minor bug fixes. |
dgisselq |
3087d 01h |
/zipcpu/trunk/ |
| 131 |
Fixed a variable use before declaration error. |
dgisselq |
3087d 01h |
/zipcpu/trunk/ |
| 130 |
Simplified the lock logic, and removed it when pipelining was not defined. This
also means the file is now dependent upon cpudefs.v. In another change, brev
was modified so as not to update the flags. This makes it useable with GCC
as a potential move or load immediate instruction. |
dgisselq |
3087d 01h |
/zipcpu/trunk/ |
| 129 |
Bug fix. Fixes some ugly race conditions that would cause code from the wrong
address to be executed. |
dgisselq |
3087d 01h |
/zipcpu/trunk/ |
| 128 |
Cleaned up some comments. |
dgisselq |
3087d 01h |
/zipcpu/trunk/ |
| 127 |
Lots of changes and bugfixes. The disassembler produces more readable output.
The assembler and linker will no longer automatically use LDIHI--in preparation
for switching to LONG_MPY. LDIHI/LDILO pairs have been changed to BREV/LDILO
pairs. Within the compiler, conditional moves have been rebuilt. They're not
perfect yet, but they are better. Lots of peephole optimizations, etc. |
dgisselq |
3087d 01h |
/zipcpu/trunk/ |
| 126 |
Lots of changes preparing the assembly for an instruction set change. While
implemented, they are still commented out via #ifdef LONG_MPY. By defining
LONG_MPY, this new change set will take place. |
dgisselq |
3087d 01h |
/zipcpu/trunk/ |
| 125 |
This patch contains minor updates. Two are important to mention: 1) It turns
the compare optimizations back on within the zip.md file, and 2) it fixes an
internal compiler fault that was causing the compiler to such up all of my
memory in an infinite recursion. |
dgisselq |
3095d 09h |
/zipcpu/trunk/ |
