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Renesas SuperH SH-4A

Renesas SuperH SH-4A
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Rev. 1.50, 10/04, page 443 of 448
Item Page Revision (See Manual for Details)
10.1.76 SYNCO (Synchronize
Data Operation)
Example
333 Deleted.
1. Ordering access to memory areas which are shared
with other memory users
2. Ordering access to memory-mapped hardware
registers
2. Flushing all write buffers
3. Stopping memory-access operations from merging
and becoming ineffective
4. Waiting for the completion of cache-control
instructions
10.1.77 TAS (Test And Set):
Logical Instruction
Possible Exceptions
335 Amended.
Exceptions are checked taking a data access by this
instruction as a byte load and a byte store.
10.1.79 TST (Test Logical)
Possible Exceptions
338 Added.
Exceptions are checked taking a data access by this
instruction as a byte load and a byte store.
10.1.80 XOR (Exclusive OR
Logical)
Possible Exceptions
340 Added.
Exceptions are checked taking a data access by this
instruction as a byte load and a byte store.
10.3.19 FSCA (Floating Point
Sine And Cosine Approximate)
Description
408 Amended.
(absolute error is within ±2^–21)
10.3.22 FSRRA (Floating Point
Square Reciprocal Approximate)
Description
414 Added.
This instruction takes the approximate inverse of the
arithmetic square root (absolute error is within ±2^–21)
of the single-precision floating-point in FRn and writes
the result to FRn.
Section 11 List of Registers
Register Addresses (by
functional module, in order of
the corresponding section
numbers)
427 Deleted.
Descriptions by functional module, in order of the
corresponding section numbers
Access to reserved addresses which are not described in
this list is disabled.
When registers consist of 16 or 32 bits, the addresses of
the MSBs are given, on the presumption of a big-endian
system.

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