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| author | Andrew Cagney <cagney@redhat.com> | 1997-10-20 02:03:06 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 1997-10-20 02:03:06 +0000 |
| commit | 0a0ecb2120ef870019377cd220dac3c9c41135b4 (patch) | |
| tree | d76344bf9188ed850948530f7ee5b4c88dd5f3b6 | |
| parent | 66a6a38139e2aba0919916fe9328753ac9eedd46 (diff) | |
| download | gdb-0a0ecb2120ef870019377cd220dac3c9c41135b4.zip gdb-0a0ecb2120ef870019377cd220dac3c9c41135b4.tar.gz gdb-0a0ecb2120ef870019377cd220dac3c9c41135b4.tar.bz2 | |
Add 8 bit arithmetic to sim-alu.
Fix flags (Carry, oVerflow) for negate and subtract.
Add ALU*_RESULT macros for accessing final result of ALU op.
| -rw-r--r-- | sim/common/ChangeLog | 9 | ||||
| -rw-r--r-- | sim/tic80/ChangeLog | 4 | ||||
| -rw-r--r-- | sim/tic80/alu.h | 4 |
3 files changed, 15 insertions, 2 deletions
diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog index 697282a..d38904b 100644 --- a/sim/common/ChangeLog +++ b/sim/common/ChangeLog @@ -1,3 +1,12 @@ +Thu Oct 16 11:38:56 1997 Andrew Cagney <cagney@b1.cygnus.com> + + * sim-alu.h (ALU16_BEGIN, ALU32_BEGIN, ALU64_BEGIN): Drop opening + brace from macro. + (ALU8_BEGIN, ALU8_SET, ALU8_ADD, ALU8_SUB, ALU8_NEGATE): Define. + (ALU16_ADD, ALU16_SUB, ALU16_NEGATE): Simplify arrithmetic. + (ALU32_ADD, ALU32_SUB, ALU32_NEGATE): Simplify arrithmetic. + (ALU64_ADD, ALU64_SUB, ALU64_NEGATE): Simplify arrithmetic. + Wed Oct 15 09:24:19 1997 Andrew Cagney <cagney@b1.cygnus.com> * sim-core.h (struct _sim_core_mapping): Change free_buffer to diff --git a/sim/tic80/ChangeLog b/sim/tic80/ChangeLog index b4462c7..bdd1d79 100644 --- a/sim/tic80/ChangeLog +++ b/sim/tic80/ChangeLog @@ -1,3 +1,7 @@ +Fri Oct 17 17:26:36 1997 Andrew Cagney <cagney@b1.cygnus.com> + + * alu.h (ALU32_END): Use ALU32_RESULT. + Mon Sep 29 12:49:06 1997 Andrew Cagney <cagney@b1.cygnus.com> * insns (get_fp_reg, set_fp_reg): Update to use changed sim_fpu diff --git a/sim/tic80/alu.h b/sim/tic80/alu.h index ce40a01..8d4e38b 100644 --- a/sim/tic80/alu.h +++ b/sim/tic80/alu.h @@ -27,8 +27,8 @@ with this program; if not, write to the Free Software Foundation, Inc., #define ALU32_END(TARG) \ { \ - (TARG) = (unsigned32)alu_carry_val; /* FIXME */ \ -}} + (TARG) = ALU32_RESULT; /* FIXME */ \ +} #define ALU_END(TARG) ALU32_END(TARG) |