https://gcc.gnu.org/g:8ea12b87ec867ac07ffc0449a5cb5d8108a88527
commit r14-11889-g8ea12b87ec867ac07ffc0449a5cb5d8108a88527
Author: Haochen Jiang <haochen.ji...@intel.com>
Date: Fri Jul 11 16:16:52 2025 +0800
i386: Remove KEYLOCKER related feature since Panther Lake and Clearwater
Forest
According to July 2025 SDM, Key locker will no longer be supported on
hardware 2025 onwards. This means for Panther Lake and Clearwater Forest,
the feature will not be enabled. Remove them from those two platforms.
gcc/ChangeLog:
* config/i386/i386.h (PTA_PANTHERLAKE): Revmoe KL and WIDEKL.
(PTA_CLEARWATERFOREST): Ditto.
* doc/invoke.texi: Revise documentation.
Diff:
---
gcc/config/i386/i386.h | 9 +++++----
gcc/doc/invoke.texi | 12 ++++++------
2 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index 6a833fd8dbd2..2aed6a2b7737 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -2432,10 +2432,11 @@ constexpr wide_int_bitmask PTA_ARROWLAKE =
PTA_ALDERLAKE | PTA_AVXIFMA
| PTA_AVXVNNIINT8 | PTA_AVXNECONVERT | PTA_CMPCCXADD | PTA_UINTR;
constexpr wide_int_bitmask PTA_ARROWLAKE_S = PTA_ARROWLAKE | PTA_AVXVNNIINT16
| PTA_SHA512 | PTA_SM3 | PTA_SM4;
-constexpr wide_int_bitmask PTA_CLEARWATERFOREST = PTA_SIERRAFOREST
- | PTA_AVXVNNIINT16 | PTA_SHA512 | PTA_SM3 | PTA_SM4 | PTA_USER_MSR
- | PTA_PREFETCHI;
-constexpr wide_int_bitmask PTA_PANTHERLAKE = PTA_ARROWLAKE_S | PTA_PREFETCHI;
+constexpr wide_int_bitmask PTA_CLEARWATERFOREST =
+ (PTA_SIERRAFOREST & (~(PTA_KL | PTA_WIDEKL))) | PTA_AVXVNNIINT16 | PTA_SHA512
+ | PTA_SM3 | PTA_SM4 | PTA_USER_MSR | PTA_PREFETCHI;
+constexpr wide_int_bitmask PTA_PANTHERLAKE =
+ (PTA_ARROWLAKE_S & (~(PTA_KL | PTA_WIDEKL))) | PTA_PREFETCHI;
constexpr wide_int_bitmask PTA_KNM = PTA_KNL | PTA_AVX5124VNNIW
| PTA_AVX5124FMAPS | PTA_AVX512VPOPCNTDQ;
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index d8ff23447f45..6e68691a37da 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -34541,9 +34541,9 @@ Intel Panther Lake CPU with 64-bit extensions, MOVBE,
MMX, SSE, SSE2, SSE3,
SSSE3, SSE4.1, SSE4.2, POPCNT, AES, PREFETCHW, PCLMUL, RDRND, XSAVE, XSAVEC,
XSAVES, XSAVEOPT, FSGSBASE, PTWRITE, RDPID, SGX, GFNI-SSE, CLWB, MOVDIRI,
MOVDIR64B, WAITPKG, ADCX, AVX, AVX2, BMI, BMI2, F16C, FMA, LZCNT, PCONFIG, PKU,
-VAES, VPCLMULQDQ, SERIALIZE, HRESET, KL, WIDEKL, AVX-VNNI, UINTR, AVXIFMA,
-AVXVNNIINT8, AVXNECONVERT, CMPCCXADD, AVXVNNIINT16, SHA512, SM3, SM4 and
-PREFETCHI instruction set support.
+VAES, VPCLMULQDQ, SERIALIZE, HRESET, AVX-VNNI, UINTR, AVXIFMA, AVXVNNIINT8,
+AVXNECONVERT, CMPCCXADD, AVXVNNIINT16, SHA512, SM3, SM4 and PREFETCHI
+instruction set support.
@item sapphirerapids
@itemx emeraldrapids
@@ -34632,9 +34632,9 @@ Intel Clearwater Forest CPU with 64-bit extensions,
MOVBE, MMX, SSE, SSE2,
SSE3, SSSE3, SSE4.1, SSE4.2, POPCNT, AES, PREFETCHW, PCLMUL, RDRND, XSAVE,
XSAVEC, XSAVES, XSAVEOPT, FSGSBASE, PTWRITE, RDPID, SGX, GFNI-SSE, CLWB,
MOVDIRI, MOVDIR64B, CLDEMOTE, WAITPKG, ADCX, AVX, AVX2, BMI, BMI2, F16C, FMA,
-LZCNT, PCONFIG, PKU, VAES, VPCLMULQDQ, SERIALIZE, HRESET, KL, WIDEKL, AVX-VNNI,
-ENQCMD, UINTR, AVXIFMA, AVXVNNIINT8, AVXNECONVERT, CMPCCXADD, AVXVNNIINT16,
-SHA512, SM3, SM4, USER_MSR and PREFETCHI instruction set support.
+LZCNT, PCONFIG, PKU, VAES, VPCLMULQDQ, SERIALIZE, HRESET, AVX-VNNI, ENQCMD,
+UINTR, AVXIFMA, AVXVNNIINT8, AVXNECONVERT, CMPCCXADD, AVXVNNIINT16, SHA512,
+SM3, SM4, USER_MSR and PREFETCHI instruction set support.
@item knl
Intel Knights Landing CPU with 64-bit extensions, MOVBE, MMX, SSE, SSE2, SSE3,
