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authorMatt Turner <mattst88@gmail.com>2015-08-10 18:50:48 -0700
committerMatt Turner <mattst88@gmail.com>2015-08-11 15:13:17 -0700
commit2265321834608c26b2989a5a1f65bb375826a779 (patch)
treeb2a28a67f2052c865b072f5c5b4fb97b57aa3f8d
parent9fa70fef22bd458fbeb95a3b0ebb5f7919cba7f0 (diff)
i965: Optimize brw_inst_set_bits() and brw_compact_inst_set_bits().
Cuts about 2k of .text. text data bss dec hex filename 5017141 197160 27672 5241973 4ffc75 i965_dri.so before 5014981 197160 27672 5239813 4ff405 i965_dri.so after Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
-rw-r--r--src/mesa/drivers/dri/i965/brw_inst.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_inst.h b/src/mesa/drivers/dri/i965/brw_inst.h
index 51082dc77a..46eff1dd38 100644
--- a/src/mesa/drivers/dri/i965/brw_inst.h
+++ b/src/mesa/drivers/dri/i965/brw_inst.h
@@ -702,12 +702,12 @@ brw_inst_set_bits(brw_inst *inst, unsigned high, unsigned low, uint64_t value)
high %= 64;
low %= 64;
- const uint64_t mask = (((1ull << (high - low + 1)) - 1) << low);
+ const uint64_t mask = ((1ull << (high - low + 1)) - 1) << low;
/* Make sure the supplied value actually fits in the given bitfield. */
assert((value & (mask >> low)) == value);
- inst->data[word] = (inst->data[word] & ~mask) | ((value << low) & mask);
+ inst->data[word] = (inst->data[word] & ~mask) | (value << low);
}
#undef BRW_IA16_ADDR_IMM
@@ -745,12 +745,12 @@ static inline void
brw_compact_inst_set_bits(brw_compact_inst *inst, unsigned high, unsigned low,
uint64_t value)
{
- const uint64_t mask = (((1ull << (high - low + 1)) - 1) << low);
+ const uint64_t mask = ((1ull << (high - low + 1)) - 1) << low;
/* Make sure the supplied value actually fits in the given bitfield. */
assert((value & (mask >> low)) == value);
- inst->data = (inst->data & ~mask) | ((value << low) & mask);
+ inst->data = (inst->data & ~mask) | (value << low);
}
#define F(name, high, low) \