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| author | Paolo Bonzini <pbonzini@redhat.com> | 2024-06-18 17:34:32 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-06-28 14:44:51 +0200 |
| commit | fe721c1948ef459caab106190276717bec252c88 (patch) | |
| tree | e5db3c04000cd20f7a71a8f3bb8add14a637b954 /tcg | |
| parent | b1fbee456c8dcb5d53dd0324bde1e17ffc6bc5de (diff) | |
| download | qemu-fe721c1948ef459caab106190276717bec252c88.zip qemu-fe721c1948ef459caab106190276717bec252c88.tar.gz qemu-fe721c1948ef459caab106190276717bec252c88.tar.bz2 | |
Revert "host/i386: assume presence of POPCNT"
This reverts commit 45ccdbcb24baf99667997fac5cf60318e5e7db51.
The x86-64 instruction set can now be tuned down to x86-64 v1
or i386 Pentium Pro.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/i386/tcg-target.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h index ecc6982..2f67a97 100644 --- a/tcg/i386/tcg-target.h +++ b/tcg/i386/tcg-target.h @@ -111,6 +111,7 @@ typedef enum { #endif #define have_bmi1 (cpuinfo & CPUINFO_BMI1) +#define have_popcnt (cpuinfo & CPUINFO_POPCNT) #define have_avx1 (cpuinfo & CPUINFO_AVX1) #define have_avx2 (cpuinfo & CPUINFO_AVX2) #define have_movbe (cpuinfo & CPUINFO_MOVBE) @@ -142,7 +143,7 @@ typedef enum { #define TCG_TARGET_HAS_nor_i32 0 #define TCG_TARGET_HAS_clz_i32 1 #define TCG_TARGET_HAS_ctz_i32 1 -#define TCG_TARGET_HAS_ctpop_i32 1 +#define TCG_TARGET_HAS_ctpop_i32 have_popcnt #define TCG_TARGET_HAS_deposit_i32 1 #define TCG_TARGET_HAS_extract_i32 1 #define TCG_TARGET_HAS_sextract_i32 1 @@ -177,7 +178,7 @@ typedef enum { #define TCG_TARGET_HAS_nor_i64 0 #define TCG_TARGET_HAS_clz_i64 1 #define TCG_TARGET_HAS_ctz_i64 1 -#define TCG_TARGET_HAS_ctpop_i64 1 +#define TCG_TARGET_HAS_ctpop_i64 have_popcnt #define TCG_TARGET_HAS_deposit_i64 1 #define TCG_TARGET_HAS_extract_i64 1 #define TCG_TARGET_HAS_sextract_i64 0 |