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format: Reduce size of register name table

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This commit is contained in:
Alexis Engelke
2021-06-13 15:59:44 +02:00
parent 99a1fbeee1
commit 7df4c9542f
1 changed files with 43 additions and 29 deletions
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72
format.c
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@@ -74,36 +74,50 @@ fd_strpcatnum(char dst[static 18], uint64_t val) {
static char* static char*
fd_strpcatreg(char* restrict dst, unsigned rt, unsigned ri, unsigned size) { fd_strpcatreg(char* restrict dst, unsigned rt, unsigned ri, unsigned size) {
static const char nametabidx[] = { const char* nametab =
[FD_RT_GPL] = 0, // 1, 2, 4 "\2al\4bnd0\2cl\4bnd1\2dl\4bnd2\2bl\4bnd3"
[FD_RT_GPH] = 3, "\3spl\0 \3bpl\0 \3sil\0 \3dil\0 "
[FD_RT_SEG] = 5, "\3r8b\0 \3r9b\0 \4r10b\0 \4r11b\0 "
[FD_RT_FPU] = 6, "\4r12b\2ah\4r13b\2ch\4r14b\2dh\4r15b\2bh\0\0 "
[FD_RT_MMX] = 7,
[FD_RT_VEC] = 8, "\2ax\4tmm0\2cx\4tmm1\2dx\4tmm2\2bx\4tmm3"
[FD_RT_CR] = 9, "\2sp\4tmm4\2bp\4tmm5\2si\4tmm6\2di\4tmm7"
[FD_RT_DR] = 10, "\3r8w \2es\3r9w \2cs\4r10w\2ss\4r11w\2ds"
"\4r12w\2fs\4r13w\2gs\4r14w\0 \4r15w\0 \2ip\0 "
"\3eax\3mm0\3ecx\3mm1\3edx\3mm2\3ebx\3mm3"
"\3esp\3mm4\3ebp\3mm5\3esi\3mm6\3edi\3mm7"
"\3r8d \2k0\3r9d \2k1\4r10d\2k2\4r11d\2k3"
"\4r12d\2k4\4r13d\2k5\4r14d\2k6\4r15d\2k7\3eip\0 "
"\4xmm0\0 \4xmm1\0 \4xmm2\0 \4xmm3\0 "
"\4xmm4\0 \4xmm5\0 \4xmm6\0 \4xmm7\0 "
"\4xmm8\0 \4xmm9\0 \5xmm10\0 \5xmm11\0 "
"\5xmm12\0 \5xmm13\0 \5xmm14\0 \5xmm15\0 \0\0 "
"\3rax\3cr0\3rcx\0 \3rdx\3cr2\3rbx\3cr3"
"\3rsp\3cr4\3rbp\0 \3rsi\0 \3rdi\0 "
"\2r8 \3cr8\2r9 \3dr0\3r10\3dr1\3r11\3dr2"
"\3r12\3dr3\3r13\3dr4\3r14\3dr5\3r15\3dr6\3rip\3dr7"
"\5st(0)\0 \5st(1)\0 \5st(2)\0 \5st(3)\0 "
"\5st(4)\0 \5st(5)\0 \5st(6)\0 \5st(7)\0 ";
static const uint16_t nametabidx[] = {
[FD_RT_GPL] = 0 * 17*8 + 0 * 8 + 0, // 1 * 17*8, 2 * 17*8, 4 * 17*8
[FD_RT_GPH] = 0 * 17*8 + 8 * 8 + 5,
[FD_RT_SEG] = 1 * 17*8 + 8 * 8 + 5,
[FD_RT_FPU] = 5 * 17*8 + 0 * 8 + 0,
[FD_RT_MMX] = 2 * 17*8 + 0 * 8 + 4,
[FD_RT_VEC] = 3 * 17*8 + 0 * 8 + 0,
[FD_RT_MASK]= 2 * 17*8 + 8 * 8 + 5,
[FD_RT_BND] = 0 * 17*8 + 0 * 8 + 3,
[FD_RT_CR] = 4 * 17*8 + 0 * 8 + 4,
[FD_RT_DR] = 4 * 17*8 + 9 * 8 + 4,
// [FD_RT_TMM] = 1 * 17*8 + 0 * 8 + 3,
}; };
static const char nametab[11][17][9] = { unsigned idx = nametabidx[rt] + (rt == FD_RT_GPL ? (size >> 1) * 17*8 : 0);
[0] = { "\2al","\2cl","\2dl","\2bl","\3spl","\3bpl","\3sil","\3dil", const char* name = nametab + idx + 8*ri;
"\3r8b","\3r9b","\4r10b","\4r11b","\4r12b","\4r13b","\4r14b","\4r15b" },
[1] = { "\2ax","\2cx","\2dx","\2bx","\2sp","\2bp","\2si","\2di",
"\3r8w","\3r9w","\4r10w","\4r11w","\4r12w","\4r13w","\4r14w","\4r15w","\2ip" },
[2] = { "\3eax","\3ecx","\3edx","\3ebx","\3esp","\3ebp","\3esi","\3edi",
"\3r8d","\3r9d","\4r10d","\4r11d","\4r12d","\4r13d","\4r14d","\4r15d","\3eip" },
[4] = { "\3rax","\3rcx","\3rdx","\3rbx","\3rsp","\3rbp","\3rsi","\3rdi",
"\2r8","\2r9","\3r10","\3r11","\3r12","\3r13","\3r14","\3r15","\3rip" },
[3] = { "","","","","\2ah","\2ch","\2dh","\2bh" },
[5] = { "\2es","\2cs","\2ss","\2ds","\2fs","\2gs" },
[6] = { "\5st(0)","\5st(1)","\5st(2)","\5st(3)","\5st(4)","\5st(5)","\5st(6)","\5st(7)" },
[7] = { "\3mm0","\3mm1","\3mm2","\3mm3","\3mm4","\3mm5","\3mm6","mm7" },
[8] = { "\4xmm0","\4xmm1","\4xmm2","\4xmm3","\4xmm4","\4xmm5","\4xmm6","\4xmm7",
"\4xmm8","\4xmm9","\5xmm10","\5xmm11","\5xmm12","\5xmm13","\5xmm14","\5xmm15" },
[9] = { "\3cr0","","\3cr2","\3cr3","\3cr4","","","","\3cr8" },
[10] = { "\3dr0","\3dr1","\3dr2","\3dr3","\3dr4","\3dr5","\3dr6","\3dr7" },
};
unsigned idx = nametabidx[rt] + (rt == FD_RT_GPL ? size >> 1 : 0);
const char* name = nametab[idx][ri];
for (unsigned i = 0; i < 8; i++) for (unsigned i = 0; i < 8; i++)
dst[i] = name[i+1]; dst[i] = name[i+1];
if (UNLIKELY(rt == FD_RT_VEC)) if (UNLIKELY(rt == FD_RT_VEC))