Toolchain/binutils-gdb
1
0
Fork 0
forked from Imagelibrary/binutils-gdb
Code Pull Requests Activity

aarch64: Support for FEAT_PCDPHINT

Browse Source 
FEAT_PCDPHINT - Producer-consumer data placement hints - is an optional
ISA extension that provides hint instructions to indicate:
- a store in the current execution thread is generating data at a specific
location, which a thread of execution on one or more other observers is
waiting on.
- the thread of execution on the current PE will read a location that may not
yet have been written with the value to be consumed.

This extension introduces:
- STSHH, a hint instruction, with operands (policies) keep and strm
- PRFM *IR*, a new prefetch memory operand.
This commit is contained in:
Ezra Sitorus
2025-07-07 15:10:00 +01:00
committed by ezra.sitorus
parent 2b1dd3156b
commit b80240ecba
13 changed files with 2944 additions and 2871 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/opcode/aarch64.h
View File

@@ -783,6 +783,7 @@ enum aarch64_opnd
AARCH64_OPND_BARRIER_PSB, /* Barrier operand for PSB. */
AARCH64_OPND_BARRIER_GCSB, /* Barrier operand for GCSB. */
AARCH64_OPND_BTI_TARGET, /* BTI {<target>}. */
AARCH64_OPND_STSHH_POLICY, /* STSHH {<policy>}. */
AARCH64_OPND_BRBOP, /* BRB operation IALL or INJ in bit 5. */
AARCH64_OPND_Rt_IN_SYS_ALIASES, /* Defaulted and omitted Rt used in SYS aliases such as brb. */
AARCH64_OPND_LSE128_Rt, /* LSE128 <Xt1>. */
@@ -1878,6 +1879,8 @@ struct aarch64_inst
#define HINT_OPD_C 0x22
#define HINT_OPD_J 0x24
#define HINT_OPD_JC 0x26
#define HINT_OPD_KEEP 0x30
#define HINT_OPD_STRM 0x31
#define HINT_OPD_NULL 0x00