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Do some cleanup; ha16[] and friends can now be used with li.

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This commit is contained in:
David Given 2018-09-10 23:37:04 +02:00
parent 3122946a6f
commit 2f8fe3ce6e
2 changed files with 4 additions and 7 deletions
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2
mach/mips/as/instructions.dat
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@ -182,6 +182,7 @@
010001<F-->00000<FS-><FD->000101 "abs" F=fmt FD=fpr ',' FS=fpr
010001<F--><FT-><FS-><FD->000000 "add" F=fmt FD=fpr ',' FS=fpr ',' FT=fpr
010011<RS-><FT-><FS-><FD->011110 "alnv" ".ps" FD=fpr ',' FS=fpr ',' FT=fpr ',' RS=gpr
010001<F--><FT-><FS-><C>0011<CO> "c" CO=fcond F=fmt C=u3 ',' FS=fpr ',' FT=fpr
010001<F-->00000<FS-><FD->001010 "ceil" ".l" F=fmt FD=fpr ',' FS=fpr
010001<F-->00000<FS-><FD->001110 "ceil" ".w" F=fmt FD=fpr ',' FS=fpr
01000100010<RT-><FS->00000000000 "cfc1" RT=gpr ',' FS=fpr
@ -238,7 +239,6 @@
# Generic coprocessor instructions.
010001<F--><FT-><FS-><C>0011<CO> "c" CO=fcond F=fmt C=u3 ',' FS=fpr ',' FT=fpr
01000101000<C>00<OFF-----------> "bc1f" C=u3 ',' OFF=offset16
0100010100000000<OFF-----------> "bc1f" OFF=offset16
01000101000<C>10<OFF-----------> "bc1fl" C=u3 ',' OFF=offset16

7
mach/mips/as/mach4.c
View file

@ -1,11 +1,8 @@
#include "rules.y"
| OP_LI GPR ',' expr
| OP_LI GPR ',' extabsexp
{
word_t reg = $2;
word_t type = $4.typ & S_TYP;
word_t val = $4.val;
if (type != S_ABS)
serror("li cannot be used with values that need a fixup");
word_t val = $4;
if (val == 0)
emit4(0x00000025 | (reg<<11)); /* or reg, zero, zero */