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[PATCH v3 02/11] target/i386: TCG supports 3DNow! prefetch(w)
From: |
Paolo Bonzini |
Subject: |
[PATCH v3 02/11] target/i386: TCG supports 3DNow! prefetch(w) |
Date: |
Fri, 23 Jun 2023 15:17:02 +0200 |
The AMD prefetch(w) instructions have not been deprecated together with the rest
of 3DNow!, and in fact are even supported by newer Intel processor. Mark them
as supported by TCG, as it supports all of 3DNow!.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
target/i386/cpu.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 1242bd541a5..ff3dcd02dcb 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -647,7 +647,8 @@ void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB | \
TCG_EXT2_X86_64_FEATURES)
#define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
- CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
+ CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A | \
+ CPUID_EXT3_3DNOWPREFETCH)
#define TCG_EXT4_FEATURES 0
#define TCG_SVM_FEATURES (CPUID_SVM_NPT | CPUID_SVM_VGIF | \
CPUID_SVM_SVME_ADDR_CHK)
--
2.41.0
- [PATCH v3 00/11] target/i386: add a few simple features, Paolo Bonzini, 2023/06/23
- [PATCH v3 01/11] target/i386: fix INVD vmexit, Paolo Bonzini, 2023/06/23
- [PATCH v3 02/11] target/i386: TCG supports 3DNow! prefetch(w),
Paolo Bonzini <=
- [PATCH v3 05/11] target/i386: TCG supports XSAVEERPTR, Paolo Bonzini, 2023/06/23
- [PATCH v3 03/11] target/i386: TCG supports RDSEED, Paolo Bonzini, 2023/06/23
- [PATCH v3 06/11] target/i386: TCG supports WBNOINVD, Paolo Bonzini, 2023/06/23
- [PATCH v3 04/11] target/i386: do not accept RDSEED if CPUID bit absent, Paolo Bonzini, 2023/06/23
- [PATCH v3 07/11] target/i386: Intel only supports SYSCALL/SYSRET in long mode, Paolo Bonzini, 2023/06/23
- [PATCH v3 08/11] target/i386: AMD only supports SYSENTER/SYSEXIT in 32-bit mode, Paolo Bonzini, 2023/06/23
- [PATCH v3 09/11] target/i386: sysret and sysexit are privileged, Paolo Bonzini, 2023/06/23
- [PATCH v3 10/11] target/i386: implement RDPID in TCG, Paolo Bonzini, 2023/06/23