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| author | Nathan Binkert <nate@binkert.org> | 2009-06-04 23:21:12 -0700 |
|---|---|---|
| committer | Nathan Binkert <nate@binkert.org> | 2009-06-04 23:21:12 -0700 |
| commit | 6faf377b5305f9dcc3c7b013c4d67f5accb92617 (patch) | |
| tree | 0e437fb49a32dd3d2d2bec95a8dc3bdb4ddf05b0 /src/arch/alpha/isa/decoder.isa | |
| parent | 4e3426624557b555c354035ee3961eab7554d81d (diff) | |
| download | gem5-6faf377b5305f9dcc3c7b013c4d67f5accb92617.tar.xz | |
types: clean up types, especially signed vs unsigned
Diffstat (limited to 'src/arch/alpha/isa/decoder.isa')
| -rw-r--r-- | src/arch/alpha/isa/decoder.isa | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/arch/alpha/isa/decoder.isa b/src/arch/alpha/isa/decoder.isa index 278ce31e8..cb43fcb74 100644 --- a/src/arch/alpha/isa/decoder.isa +++ b/src/arch/alpha/isa/decoder.isa @@ -114,7 +114,7 @@ decode OPCODE default Unknown::unknown() { 0x00: addl({{ Rc.sl = Ra.sl + Rb_or_imm.sl; }}); 0x40: addlv({{ - uint32_t tmp = Ra.sl + Rb_or_imm.sl; + int32_t tmp = Ra.sl + Rb_or_imm.sl; // signed overflow occurs when operands have same sign // and sign of result does not match. if (Ra.sl<31:> == Rb_or_imm.sl<31:> && tmp<31:> != Ra.sl<31:>) @@ -138,7 +138,7 @@ decode OPCODE default Unknown::unknown() { 0x09: subl({{ Rc.sl = Ra.sl - Rb_or_imm.sl; }}); 0x49: sublv({{ - uint32_t tmp = Ra.sl - Rb_or_imm.sl; + int32_t tmp = Ra.sl - Rb_or_imm.sl; // signed overflow detection is same as for add, // except we need to look at the *complemented* // sign bit of the subtrahend (Rb), i.e., if the initial |