45 lines
2.9 KiB
Diff
45 lines
2.9 KiB
Diff
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Fix the Loongson 2F specific fused multiply-add instructions on paired singles to
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use the encoding recognized by the processor, as opposed to the mistaken english
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Loongson 2F documentation.
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Patch by Mark H Weaver <mhw@netris.org>.
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--- binutils/opcodes/mips-opc.c.orig 2012-09-04 10:21:10.000000000 -0400
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+++ binutils/opcodes/mips-opc.c 2013-10-06 02:23:33.679983766 -0400
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@@ -931,7 +931,7 @@
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{"madd.s", "D,S,T", 0x72000018, 0xffe0003f, RD_S|RD_T|WR_D|FP_S, 0, IL2F },
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{"madd.ps", "D,R,S,T", 0x4c000026, 0xfc00003f, RD_R|RD_S|RD_T|WR_D|FP_D, 0, I5_33 },
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{"madd.ps", "D,S,T", 0x45600018, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, IL2E },
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-{"madd.ps", "D,S,T", 0x71600018, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, IL2F },
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+{"madd.ps", "D,S,T", 0x72c00018, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, IL2F },
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{"madd", "s,t", 0x0000001c, 0xfc00ffff, RD_s|RD_t|WR_HILO, 0, L1 },
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{"madd", "s,t", 0x70000000, 0xfc00ffff, RD_s|RD_t|MOD_HILO, 0, I32|N55 },
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{"madd", "s,t", 0x70000000, 0xfc00ffff, RD_s|RD_t|WR_HILO|IS_M, 0, G1 },
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@@ -1041,7 +1041,7 @@
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{"msub.s", "D,S,T", 0x72000019, 0xffe0003f, RD_S|RD_T|WR_D|FP_S, 0, IL2F },
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{"msub.ps", "D,R,S,T", 0x4c00002e, 0xfc00003f, RD_R|RD_S|RD_T|WR_D|FP_D, 0, I5_33 },
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{"msub.ps", "D,S,T", 0x45600019, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, IL2E },
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-{"msub.ps", "D,S,T", 0x71600019, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, IL2F },
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+{"msub.ps", "D,S,T", 0x72c00019, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, IL2F },
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{"msub", "s,t", 0x0000001e, 0xfc00ffff, RD_s|RD_t|WR_HILO, 0, L1 },
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{"msub", "s,t", 0x70000004, 0xfc00ffff, RD_s|RD_t|MOD_HILO, 0, I32|N55 },
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{"msub", "7,s,t", 0x70000004, 0xfc00e7ff, MOD_a|RD_s|RD_t, 0, D32 },
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@@ -1157,7 +1157,7 @@
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{"nmadd.s", "D,S,T", 0x7200001a, 0xffe0003f, RD_S|RD_T|WR_D|FP_S, 0, IL2F },
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{"nmadd.ps","D,R,S,T", 0x4c000036, 0xfc00003f, RD_R|RD_S|RD_T|WR_D|FP_D, 0, I5_33 },
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{"nmadd.ps", "D,S,T", 0x4560001a, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, IL2E },
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-{"nmadd.ps", "D,S,T", 0x7160001a, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, IL2F },
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+{"nmadd.ps", "D,S,T", 0x72c0001a, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, IL2F },
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{"nmsub.d", "D,R,S,T", 0x4c000039, 0xfc00003f, RD_R|RD_S|RD_T|WR_D|FP_D, 0, I4_33 },
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{"nmsub.d", "D,S,T", 0x4620001b, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, IL2E },
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{"nmsub.d", "D,S,T", 0x7220001b, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, IL2F },
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@@ -1166,7 +1166,7 @@
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{"nmsub.s", "D,S,T", 0x7200001b, 0xffe0003f, RD_S|RD_T|WR_D|FP_S, 0, IL2F },
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{"nmsub.ps","D,R,S,T", 0x4c00003e, 0xfc00003f, RD_R|RD_S|RD_T|WR_D|FP_D, 0, I5_33 },
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{"nmsub.ps", "D,S,T", 0x4560001b, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, IL2E },
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-{"nmsub.ps", "D,S,T", 0x7160001b, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, IL2F },
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+{"nmsub.ps", "D,S,T", 0x72c0001b, 0xffe0003f, RD_S|RD_T|WR_D|FP_D, 0, IL2F },
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/* nop is at the start of the table. */
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{"nor", "d,v,t", 0x00000027, 0xfc0007ff, WR_d|RD_s|RD_t, 0, I1 },
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{"nor", "t,r,I", 0, (int) M_NOR_I, INSN_MACRO, 0, I1 },
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