Turns out Apple's hi16/ha16 exactly match my ha16/has16, so renamed
accordingly. (Memo to self: read the docs *before* doing the work.)
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@ -5,5 +5,5 @@
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#include <stdbool.h>
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extern quad emit_ha(struct expr_t* expr, bool is_signed);
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extern quad emit_hi(struct expr_t* expr, bool is_signed);
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extern quad emit_lo(struct expr_t* expr);
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@ -85,7 +85,7 @@
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%token <y_word> OP_LI32
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%token <y_word> OP_POWERPC_FIXUP
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%token <y_word> OP_HA OP_HAS OP_LO
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%token <y_word> OP_HI OP_HA OP_LO
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/* Other token types */
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@ -102,8 +102,8 @@
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0, OP_LA, 0, "la",
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0, OP_LA, 0, "li",
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0, OP_RS_RA_RA_C, 31<<26 | 444<<1, "mr",
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0, OP_HA, 0, "ha16",
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0, OP_HAS, 0, "has16",
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0, OP_HI, 0, "hi16",
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0, OP_HA, 0, "ha16",
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0, OP_LO, 0, "lo16",
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/* Branch processor instructions (page 20) */
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@ -75,8 +75,8 @@ e16
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serror("16-bit value out of range");
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$$ = (uint16_t) $1;
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}
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| OP_HA ASC_LPAR expr ASC_RPAR { $$ = emit_ha(&$3, false); }
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| OP_HAS ASC_LPAR expr ASC_RPAR { $$ = emit_ha(&$3, true); }
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| OP_HI ASC_LPAR expr ASC_RPAR { $$ = emit_hi(&$3, false); }
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| OP_HA ASC_LPAR expr ASC_RPAR { $$ = emit_hi(&$3, true); }
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| OP_LO ASC_LPAR expr ASC_RPAR { $$ = emit_lo(&$3); }
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;
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@ -1,5 +1,5 @@
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quad emit_ha(struct expr_t* expr, bool is_signed)
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quad emit_hi(struct expr_t* expr, bool is_signed)
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{
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/* If this is a symbol reference, discard the symbol and keep only the
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* offset part. */
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@ -175,8 +175,8 @@ TOKENS
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/* Primitives */
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LABEL = { ADDR adr; } 4 adr.
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LABEL_OFFSET_HI = { ADDR adr; } 4 "hi16[" adr "]".
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LABEL_OFFSET_HA = { ADDR adr; } 4 "ha16[" adr "]".
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LABEL_OFFSET_HAS = { ADDR adr; } 4 "has16[" adr "]".
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LABEL_OFFSET_LO = { ADDR adr; } 4 "lo16[" adr "]".
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LOCAL = { INT off; } 4.
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@ -286,7 +286,7 @@ INSTRUCTIONS
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add GPR:wo, GPR:ro, GPR:ro.
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addX "add." GPR:wo, GPR:ro, GPR:ro.
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addi GPR:wo, GPR:ro, CONST:ro.
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addis GPR:wo, GPR:ro, CONST+LABEL_OFFSET_HA+LABEL_OFFSET_HAS:ro.
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addis GPR:wo, GPR:ro, CONST+LABEL_OFFSET_HI+LABEL_OFFSET_HA:ro.
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and GPR:wo, GPR:ro, GPR:ro.
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andc GPR:wo, GPR:ro, GPR:ro.
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andiX "andi." GPR:wo:cc, GPR:ro, CONST:ro.
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@ -408,7 +408,7 @@ MOVES
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from LABEL to GPR
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gen
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COMMENT("move LABEL->GPR")
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addis %2, R0, {LABEL_OFFSET_HA, %1.adr}
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addis %2, R0, {LABEL_OFFSET_HI, %1.adr}
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ori %2, %2, {LABEL_OFFSET_LO, %1.adr}
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/* Sign extension */
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@ -1149,7 +1149,7 @@ PATTERNS
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with LABEL
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uses REG
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gen
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addis %a, R0, {LABEL_OFFSET_HAS, %1.adr}
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addis %a, R0, {LABEL_OFFSET_HA, %1.adr}
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lwz %a, {GPRINDIRECT_OFFSET_LO, %a, %1.adr}
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yields %a
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with GPR
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@ -297,6 +297,7 @@ static void put_powerpc_valu(char* addr, uint32_t value, uint16_t type)
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else if (((opcode1 & 0xfc1f0000) == 0x3c000000) &&
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((opcode2 & 0xfc000000) == 0x60000000))
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{
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/* addis / ori instruction pair */
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uint16_t hi = value >> 16;
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uint16_t lo = value & 0xffff;
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