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Joel Sing e2cfc1eb3a cmd/internal/obj/riscv: improve handling of float point moves
Translate moves from an integer register to a floating point register, or
from a floating point register to an integer register, to the appropriate
move instruction (i.e. FMVXW/FMVWX/FMVXD/FMVDX).

Add support for MOVF with a constant - we previously added support for MOVD
but not for MOVF. Add special handling for 0.0, which we can translate to
a move from the zero register to a floating point register (leveraging the
above mentioned change).

Change-Id: If8df2f5610e69b4ec0af85efb884951024685f5b
Reviewed-on: https://go-review.googlesource.com/c/go/+/703216
Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
Reviewed-by: Mark Freeman <markfreeman@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Mark Ryan <markdryan@rivosinc.com>
2025-09-16 08:43:10 -07:00
.github .github: update language change proposal template 2024-08-08 19:02:29 +00:00
api os: add (*Process).WithHandle 2025-09-15 12:17:42 -07:00
doc os: add (*Process).WithHandle 2025-09-15 12:17:42 -07:00
lib all: remove redundant words in comment 2025-09-15 17:31:59 -07:00
misc all: replace strings.Split with strings.SplitSeq 2025-09-15 17:34:45 -07:00
src cmd/internal/obj/riscv: improve handling of float point moves 2025-09-16 08:43:10 -07:00
test cmd/compile: combine doubling with shift on riscv64 2025-09-15 17:31:56 -07:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore runtime,internal: move runtime/internal/sys to internal/runtime/sys 2024-07-23 19:05:35 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +00:00
LICENSE LICENSE: update per Google Legal 2024-08-09 14:54:31 +00:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README.md README: fix CC BY license name 2024-07-22 17:45:27 +00:00
SECURITY.md SECURITY.md: update the Reporting a Vulnerability link 2023-09-22 21:17:24 +00:00

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