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Add Pentium 4 Linux support

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This commit is contained in:
owen
2026-07-17 19:43:26 -05:00
parent 7f33d448c7
commit 136b417cf8
5 changed files with 76 additions and 7 deletions
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src/main.c
+9 -1
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@@ -42,7 +42,7 @@
#ifndef FM_API_BASE_URL
# define FM_API_BASE_URL "https://fossbench.net"
#endif
#define FM_VERSION "0.1.3-hotfix3"
#define FM_VERSION "0.1.3-hotfix4"
/* ---------- platform identification (for the banner only) ---------- */
@@ -66,6 +66,11 @@
# define D_INT "64-bit ALU: imul, mul, div, bitops"
# define D_FP "double: mulsd/addsd, divsd, sqrtsd"
# define D_SIMD "SSE2: 128-bit integer + float"
#elif defined(__i386__) || defined(_M_IX86)
# define FM_ARCH "x86 32-bit"
# define D_INT "Pentium 4 integer ALU and software 64-bit arithmetic"
# define D_FP "x87 scalar double-precision floating point"
# define D_SIMD "SSE2: 128-bit integer vectors"
#elif defined(__powerpc64__)
# define FM_ARCH "PowerPC 64-bit big-endian"
# define D_INT "64-bit PowerPC integer ALU"
@@ -145,6 +150,9 @@ extern uint64_t fm_chase(void **ptrs, uint64_t steps);
#if defined(__powerpc__) && !defined(__powerpc64__)
# define CHASE_NODES (1u << 19) /* 2 MiB with 32-bit pointers */
# define CHASE_DETAIL "dependent-load pointer chase, 2 MiB"
#elif UINTPTR_MAX == UINT32_MAX
# define CHASE_NODES (1u << 21) /* 8 MiB with 32-bit pointers */
# define CHASE_DETAIL "dependent-load pointer chase, 8 MiB"
#else
# define CHASE_NODES (1u << 21) /* 16 MiB cycle, > any L2 */
# define CHASE_DETAIL "dependent-load pointer chase, 16 MiB"